[Iaude] MPEC S52: 2004 RE84 [a=1.67,e=0.61,i=2.0,H=21.9,PHA]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Mon Sep 18 13:53:17 EDT 2017


M.P.E.C. 2017-S52                                Issued 2017 Sept. 18, 17:48 UT
 
     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
    on behalf of Division F of the International Astronomical Union by the
          Minor Planet Center, Smithsonian Astrophysical Observatory,
                          Cambridge, MA 02138, U.S.A.

             Prepared using the Tamkin Foundation Computer Network

                              MPC at CFA.HARVARD.EDU
            URL http://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2004 RE84
 
                           Revision to MPEC 2004-R55
 
Additional Observations:
     K04R84E  C2017 08 16.42762 23 59 08.895+01 19 50.96         22.1 wLES052F51
     K04R84E  C2017 08 16.45048 23 59 09.108+01 19 59.24         22.0 wLES052F51
     K04R84E  C2017 08 16.46191 23 59 09.224+01 20 03.54         22.0 wLES052F51
     K04R84E  C2017 08 24.52570 23 59 54.412+02 08 32.12         21.5 wLES052F51
     K04R84E  C2017 08 24.53798 23 59 54.268+02 08 36.32         21.5 wLES052F51
     K04R84E  C2017 08 24.55037 23 59 54.106+02 08 40.77         21.2 wLES052F51
     K04R84E  C2017 09 14.42721 23 42 18.85 +04 46 03.3          18.7 oLES052T05
     K04R84E  C2017 09 14.43402 23 42 17.82 +04 46 07.9          19.1 oLES052T05
     K04R84E  C2017 09 14.44141 23 42 16.84 +04 46 13.0          19.4 oLES052T05
     K04R84E  C2017 09 16.14553 23 38 15.42 +05 07 04.6                oES052691
     K04R84E  C2017 09 16.15048 23 38 14.59 +05 07 08.4                oES052691
     K04R84E  C2017 09 16.15545 23 38 13.78 +05 07 12.3                oES052691
     K04R84E  C2017 09 17.46990 23 34 26.50 +05 25 33.7                oES052691
     K04R84E  C2017 09 17.47696 23 34 25.21 +05 25 39.8                oES052691
     K04R84E  C2017 09 17.48401 23 34 23.80 +05 25 46.0                oES052691
     K04R84E  C2017 09 18.25962 23 31 59.02 +05 37 43.1          18.7 VqES052703
     K04R84E  C2017 09 18.26498 23 31 57.83 +05 37 48.0          18.9 VqES052703
     K04R84E  C2017 09 18.27032 23 31 56.64 +05 37 54.2          18.8 VqES052703
     K04R84E  C2017 09 18.27568 23 31 55.57 +05 37 58.8          19.0 VqES052703
     K04R84E  C2017 09 18.32136 23 31 45.44 +05 38 42.5          18.1 VqES052I52
     K04R84E  C2017 09 18.32193 23 31 45.33 +05 38 43.1          18.4 VqES052I52
     K04R84E  C2017 09 18.32289 23 31 45.09 +05 38 43.9          18.3 VqES052I52
     K04R84E  C2017 09 18.32531 23 31 44.57 +05 38 46.5          18.2 VqES052I52
     K04R84E  C2017 09 18.50971 23 31 09.48 +05 41 43.0          19.0 RrES052P93
     K04R84E  C2017 09 18.51135 23 31 09.11 +05 41 44.4          19.1 RrES052P93
     K04R84E  C2017 09 18.51301 23 31 08.78 +05 41 46.0          19.1 RrES052P93
     K04R84E  C2017 09 18.51467 23 31 08.42 +05 41 48.0          19.0 RrES052P93
     K04R84E  C2017 09 18.51631 23 31 08.03 +05 41 49.5          19.1 RrES052P93
     K04R84E  C2017 09 18.51795 23 31 07.67 +05 41 50.6          19.3 RrES052P93
 
Observer details:
691 Steward Observatory, Kitt Peak.  Observer M. J. Brucker.  0.9-m f/3
    reflector + CCD.
703 Catalina Sky Survey.  Observer G. J. Leonard.  Measurers E. J. Christensen,
    D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
    S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
    0.68-m Schmidt + 10K CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
    M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
    M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters, R. Weryk.  1.8-m
    Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer J. A. Johnson.
    Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
    J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny,
    R. L. Seaman, F. C. Shelly.  1.0-m reflector + CCD.
P93 Space Tracking and Communications Center, JAXA.  Observers K. Nishiyama,
    T. Nimura.  1.0-m f/3.0 reflector + CCD.
T05 ATLAS-HKO, Haleakala.  Observers L. Denneau, A. Heinze, H. Weiland,
    B. Stalder, J. Tonry.  Measurers L. Denneau, A. Heinze, J. Tonry.  0.5-m
    f/2.0 Schmidt + CCD.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or integer in degrees), reference and Delta-T
170816 F51   10-    4-    170918 P93   48-   21-    MPO 70417   +6.8 day
 
Orbital elements:
2004 RE84                                           PHA, Earth MOID = 0.0199 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 323.71057              (2000.0)            P               Q
n   0.45508931     Peri.  131.47189     -0.06650934     -0.99755736
a   1.6739338      Node   322.32558     +0.90472391     -0.05126884
e   0.6053470      Incl.    2.00191     +0.42077446     -0.04744283
P   2.17           H   21.9           G   0.15           U   2
Residuals in seconds of arc
040910 704 (2.0-  0.7+)   040914 734  0.3+  0.3-    040923 170  0.2+  0.6-
040910 704 (0.3+  1.6+)   040914 734 (2.2+  0.3+)   040923 170  0.1-  0.1-
040910 704  0.2-  0.2+    040914 734  0.3+  0.5-    040925 413  0.0   0.4-
040910 704  0.7+  0.4-    040917 246  0.4+  0.3-    040925 413  0.0   0.4-
040910 246  0.3+  0.5+    040917 246  0.5+  0.1+    041001 448  0.4-  0.1+
040910 246  0.1+  0.8+    040917 246  0.6+  0.1-    041001 448  0.1-  0.2-
040910 246  0.4+  0.1+    040917 246  0.5+  0.1+    041001 448  0.1-  0.2-
040910 246  0.4-  0.3+    040917 246  0.3+  0.2-    041003 734  0.1+  0.4+
040910 246  0.2-  0.5+    040917 151  0.3-  0.2-    041003 734  0.5+  0.2+
040911 704  0.1+  0.7+    040917 151  0.2-  0.2+    041003 734  0.6+  0.1-
040911 704 (0.9+  2.0+)   040917 151  0.4-  0.0     041008 696  0.1-  0.3+
040911 704  0.1+  0.1-    040917 151  0.5-  0.2+    041008 696  0.0   0.2+
040911 704  0.1-  0.5-    040917 151  0.5-  0.4+    041008 696  0.2+  1.3+
040911 704  0.3+  0.1+    040918 704  0.4-  0.7-    041008 696  0.7-  0.3-
040911 673  0.6-  0.5+    040918 704  0.2-  0.5-    170816 F51  0.0   0.1+
040911 673  0.7-  0.5+    040918 704  0.5-  0.1+    170816 F51  0.0   0.0
040911 673  0.2+  0.3+    040918 704  0.7-  0.7-    170816 F51  0.2+  0.1+
040911 673  0.1-  0.2+    040918 704  0.8-  0.9-    170824 F51  0.0   0.0
040911 704  0.4-  0.5+    040920 683 (1.6-  3.7+)   170824 F51  0.2+  0.3-
040911 704  0.1-  0.9+    040920 H36  1.3+  0.3-    170824 F51  0.0   0.3-
040911 704  1.1-  1.4+    040920 683 (2.6-  2.7+)   170914 T05  0.0   0.0
040911 H36  0.7-  0.5-    040920 H36  1.2-  0.5-    170914 T05  0.3-  0.1-
040911 H36  0.9-  0.3+    040920 H36  0.2+  0.1+    170914 T05  1.3+  0.2-
040911 H36 (5.7-  1.2+)   040920 683 (1.4-  1.9+)   170916 691  0.3-  0.3+
040912 704  0.6+  0.2+    040921 734  0.1-  0.3-    170916 691  0.4-  0.1+
040912 704  0.1+  0.3+    040921 734  0.3-  0.4-    170916 691  0.2-  0.0
040912 704  0.3-  0.2+    040921 734  0.7-  0.4-    170917 691  0.4-  0.1-
040912 691  0.1+  0.1+    040921 734  0.1+  0.3-    170917 691  0.5+  0.1-
040912 691  0.1+  0.2+    040921 734  0.1+  0.1-    170917 691  0.5-  0.0
040912 691  0.0   0.3+    040922 A50 (2.2+  0.1-)   170918 703  0.3-  0.3-
040913 704  1.2+  1.3+    040922 A50 (3.7+  0.2-)   170918 703  0.5-  0.6-
040913 704  0.6-  0.9+    040922 A50 (4.5+  0.1-)   170918 703  0.8-  0.5+
040913 704  0.4+  0.5+    040922 A50  0.3+  0.2-    170918 703  0.9+  0.1-
040913 704  0.9+  0.7+    040922 A50 (4.0+  0.2-)   170918 I52  0.0   0.2-
040913 246  0.3-  0.1+    040922 587 (2.0-  0.2-)   170918 I52  0.2+  0.1-
040913 246  0.3-  0.3+    040922 587  1.1-  0.2+    170918 I52  0.2-  0.3-
040913 246  0.2+  0.5+    040922 587  1.2-  0.7+    170918 I52  0.0   0.0
040913 246  0.1-  0.4+    040923 941  0.3+  0.4-    170918 P93  0.2+  0.2+
040913 246  0.1-  0.6+    040923 941  0.4+  0.3-    170918 P93  0.1+  0.1-
040914 734 (2.0+  0.8+)   040923 941  0.4+  0.3-    170918 P93  0.7+  0.1-
040914 734  0.3+  0.1-    040923 941  0.1+  0.3-    170918 P93  0.8+  0.2+
040914 734  0.3+  0.5-    040923 941  0.4+  0.4-    170918 P93  0.4+  0.1+
040914 734  0.7+  0.5-    040923 170  0.3+  0.2-    170918 P93  0.5+  0.5-

Ephemeris:
2004 RE84                a,e,i = 1.67, 0.61, 2                   q = 0.6606
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 08 19    23 59 39.6 +01 35 28   0.5018  1.4533   145.4    23.3    22.3
...
2017 09 03    23 56 45.6 +03 08 18   0.3199  1.3134   159.7    15.4    20.9
...
2017 09 11    23 48 32.9 +04 10 52   0.2331  1.2357   168.1     9.7    19.8
...
2017 09 17    23 35 52.6 +05 19 09   0.1725  1.1763   172.3     6.6    18.9
2017 09 18    23 32 49.6 +05 34 02   0.1627  1.1663   172.1     6.8    18.8
2017 09 19    23 29 23.6 +05 50 23   0.1531  1.1563   171.6     7.3    18.7
...
2017 09 25    22 55 21.6 +08 20 43   0.09804 1.0959   160.6    17.7    18.0
...
2017 10 03    19 50 52.6 +17 05 54   0.04188 1.0151   109.1    68.7    17.5
...
2017 10 18    13 28 58.3 +03 19 05   0.1327  0.8675    12.8   165.2    30.5

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-S52




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