[Iaude] MPEC S31: 2017 RG15 [a=2.15,e=0.54,i=6.9,H=23.6]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Mon Sep 18 10:39:20 EDT 2017


M.P.E.C. 2017-S31                                Issued 2017 Sept. 18, 14:35 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 RG15
 
Observations:
     K17R15G* C2017 09 14.31610 20 43 05.044-11 22 07.80         21.6 wLES031F51
     K17R15G  C2017 09 14.34123 20 43 16.524-11 20 15.10         21.0 wLES031F51
     K17R15G  C2017 09 14.35380 20 43 22.230-11 19 19.10         21.2 wLES031F51
     K17R15G KC2017 09 15.11615520 49 19.28 -10 24 03.9          21.7 VuES031H21
     K17R15G KC2017 09 15.12685920 49 23.97 -10 23 18.2          21.3 VuES031H21
     K17R15G KC2017 09 15.13905920 49 29.28 -10 22 25.7          21.4 VuES031H21
     K17R15G _C2017 09 15.31687520 50 49.882-10 09 35.07         20.8 RtES031568
     K17R15G _C2017 09 15.31782520 50 50.286-10 09 31.12         21.0 RtES031568
     K17R15G  C2017 09 18.14102 21 10 12.96 -07 06 28.2                qES031I52
     K17R15G  C2017 09 18.14518 21 10 14.50 -07 06 12.7                qES031I52
     K17R15G  C2017 09 18.14727 21 10 15.14 -07 06 04.9          21.4 VqES031I52
 
Observer details:
568 Mauna Kea.  Observers R. J. Wainscoat, C. Crowder.  Measurers M. Micheli,
    R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + 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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.76-m f/3.0
    astrograph + 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.
 
Orbital elements:
2017 RG15                                                Earth MOID = 0.0352 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M   9.79994              (2000.0)            P               Q
n   0.31160878     Peri.  319.89070     +0.48784998     +0.87189228
a   2.1547468      Node   339.20079     -0.76709288     +0.40495761
e   0.5385169      Incl.    6.87402     -0.41661842     +0.27534195
P   3.16           H   23.6           G   0.15           U   8
Residuals in seconds of arc
170914 F51  0.2-  0.1-    170915 H21  0.2+  0.5-    170918 I52  0.0   0.5-
170914 F51  0.2+  0.3+    170915 H21  0.1+  0.1-    170918 I52  0.7+  0.2+
170914 F51  0.1-  0.0     170915 568  0.2+  0.0     170918 I52  0.9-  0.6+
170915 H21  0.1-  0.4-    170915 568  0.2+  0.1-

Ephemeris:
2017 RG15                a,e,i = 2.15, 0.54, 7                   q = 0.9944
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 08 19    14 57 08.6 -35 05 19   0.1469  1.0133    86.3    85.4    22.5
...
2017 09 03    18 32 12.5 -28 00 05   0.1146  1.0649   116.6    57.9    21.1
...
2017 09 11    20 13 27.7 -15 49 52   0.1339  1.1034   133.7    41.3    21.1
...
2017 09 17    21 02 46.9 -08 16 15   0.1630  1.1363   140.9    33.9    21.4
2017 09 18    21 09 18.3 -07 14 23   0.1688  1.1421   141.7    33.1    21.4
2017 09 19    21 15 26.5 -06 16 15   0.1748  1.1480   142.3    32.3    21.5
...
2017 09 25    21 45 40.6 -01 35 46   0.2147  1.1846   144.6    29.4    21.9
...
2017 10 03    22 14 15.3 +02 25 17   0.2767  1.2367   144.6    27.9    22.5
...
2017 10 18    22 50 31.2 +06 26 13   0.4152  1.3418   140.2    28.4    23.6

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-S31




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