[Iaude] MPEC U252: 2017 UN7 [a=1.20,e=0.14,i=7.9,H=25.8]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sat Oct 28 22:03:41 EDT 2017


M.P.E.C. 2017-U252                               Issued 2017 Oct. 29, 02:00 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


                                   2017 UN7
 
Observations:
     K17U07N* C2017 10 25.34491 02 35 08.67 -02 09 10.8          20.3 GUEU252G96
     K17U07N  C2017 10 25.35021 02 35 07.90 -02 08 45.5          20.9 GUEU252G96
     K17U07N  C2017 10 25.35548 02 35 07.26 -02 08 20.9          21.1 GUEU252G96
     K17U07N  C2017 10 25.36077 02 35 06.46 -02 07 55.3          21.1 GUEU252G96
     K17U07N  C2017 10 25.43563 02 34 56.40 -02 02 01.7          21.0 GUEU252I52
     K17U07N  C2017 10 25.44048 02 34 55.81 -02 01 38.8          20.4 GUEU252I52
     K17U07N  C2017 10 25.44314 02 34 55.43 -02 01 26.2          20.9 GUEU252I52
     K17U07N  C2017 10 25.44668 02 34 54.99 -02 01 08.3          20.5 GUEU252I52
     K17U07N  C2017 10 26.19016 02 33 46.31 -01 01 21.6          21.3 GUEU252I52
     K17U07N  C2017 10 26.19223 02 33 46.04 -01 01 11.3          22.4 GUEU252I52
     K17U07N  C2017 10 26.19431 02 33 45.81 -01 01 00.9          21.7 GUEU252I52
     K17U07N  C2017 10 26.19639 02 33 45.49 -01 00 50.6          20.9 GUEU252I52
     K17U07N  C2017 10 26.25709 02 33 37.10 -00 55 50.8          20.3 RoEU252926
     K17U07N  C2017 10 26.26081 02 33 36.59 -00 55 32.2          20.6 RoEU252926
     K17U07N  C2017 10 26.26451 02 33 36.06 -00 55 14.1          20.8 RoEU252926
     K17U07N  C2017 10 27.23597 02 31 50.82 +00 26 37.8          21.1 GUEU252V06
     K17U07N  C2017 10 27.23849 02 31 50.42 +00 26 50.2                UEU252V06
     K17U07N  C2017 10 27.24102 02 31 50.04 +00 27 03.7          21.5 GUEU252V06
     K17U07N  C2017 10 28.26268 02 29 51.79 +01 57 26.8          20.6 GUEU252V06
     K17U07N  C2017 10 28.26419 02 29 51.55 +01 57 35.0          20.6 GUEU252V06
     K17U07N  C2017 10 28.26571 02 29 51.32 +01 57 43.3          20.9 GUEU252V06
     K17U07N  C2017 10 28.26722 02 29 51.08 +01 57 51.4          20.9 GUEU252V06
     K17U07N  C2017 10 28.45696 02 29 25.973+02 15 28.79         21.2 wLEU252F51
     K17U07N  C2017 10 28.46959 02 29 23.914+02 16 37.66         21.4 wLEU252F51
     K17U07N  C2017 10 28.48225 02 29 21.856+02 17 47.09         20.9 wLEU252F51
 
Observer details:
926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
    M. Schwartz.  0.81-m f/7 Ritchey-Chretien + 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.
G96 Mt. Lemmon 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.
    1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer D. C. Fuls.  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.
V06 Catalina Sky Survey-Kuiper.  Observer E. J. Christensen.  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.  1.55-m reflector + CCD.
 
Orbital elements:
2017 UN7                                                 Earth MOID = 0.0661 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 289.75667              (2000.0)            P               Q
n   0.74548884     Peri.   32.44180     +0.28597748     -0.95392260
a   1.2045975      Node    41.14284     +0.84708006     +0.20735721
e   0.1356053      Incl.    7.93443     +0.44796458     +0.21687478
P   1.32           H   25.8           G   0.15           U   7
Residuals in seconds of arc
171025 G96  0.5-  0.4-    171026 I52  0.1-  0.2+    171028 V06  0.2+  0.0
171025 G96  1.0-  0.1-    171026 I52  0.6+  0.4+    171028 V06  0.1+  0.0
171025 G96  0.3+  0.4-    171026 I52  0.0   0.4+    171028 V06  0.2+  0.0
171025 G96  0.7-  0.3+    171026 926  0.2-  0.1-    171028 V06  0.2+  0.1-
171025 I52  0.1+  0.2-    171026 926  0.1+  0.2+    171028 F51  0.1-  0.2+
171025 I52  0.8+  0.3-    171026 926  0.1+  0.0     171028 F51  0.0   0.1-
171025 I52  0.2+  0.3-    171027 V06  0.4+  0.1+    171028 F51  0.1-  0.1-
171025 I52  0.5+  0.8+    171027 V06  0.0   0.6-
171026 I52  0.2-  0.0     171027 V06  0.1-  0.2-

Ephemeris:
2017 UN7                 a,e,i = 1.20, 0.14, 8                   q = 1.0412
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 09 29    02 48 41.1 -19 01 01   0.1510  1.1185   138.0    36.8    23.4
...
2017 10 14    02 48 11.5 -12 59 25   0.1077  1.0911   148.9    28.2    22.4
...
2017 10 22    02 40 16.6 -06 08 06   0.08889 1.0783   158.2    20.0    21.7
...
2017 10 28    02 30 20.7 +01 34 41   0.07786 1.0697   167.4    11.7    21.1
2017 10 29    02 28 21.7 +03 06 13   0.07634 1.0684   169.1    10.2    21.0
2017 10 30    02 26 17.2 +04 41 50   0.07492 1.0671   170.7     8.6    20.9
...
2017 11 05    02 11 59.4 +15 31 19   0.06874 1.0598   173.2     6.4    20.6
...
2017 11 13    01 48 35.5 +31 34 29   0.06735 1.0518   156.6    21.9    21.1
...
2017 11 28    01 02 43.8 +54 59 10   0.08278 1.0426   130.8    45.7    22.2

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-U252



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