[Iaude] MPEC Y32: 2015 AA246 [a=2.40,e=0.61,i=11.8,H=19.5]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Tue Dec 18 20:47:16 EST 2018


M.P.E.C. 2018-Y32                                Issued 2018 Dec. 19, 01:45 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 https://www.minorplanetcenter.net/    ISSN 1523-6714


                                  2015 AA246
 
                           Revision to MPEC 2015-B55
 
Additional Observations:
     K15AO6A  C2018 12 14.49545 12 35 48.14 +02 26 43.6          20.2 GVEY032G96
     K15AO6A  C2018 12 14.50111 12 35 49.92 +02 26 37.4          20.9 GVEY032G96
     K15AO6A  C2018 12 14.50675 12 35 51.79 +02 26 30.9          21.1 GVEY032G96
     K15AO6A  C2018 12 14.51240 12 35 53.49 +02 26 24.5          21.5 GVEY032G96
     K15AO6A pC2018 12 15.15749712 39 20.61 +02 13 54.2          21.6 GVEY032L01
     K15AO6A pC2018 12 15.16769412 39 23.82 +02 13 42.4          21.7 GVEY032L01
     K15AO6A pC2018 12 15.17114512 39 24.95 +02 13 38.6          21.5 GVEY032L01
     K15AO6A pC2018 12 15.17545712 39 26.34 +02 13 33.4          21.6 GVEY032L01
     K15AO6A pC2018 12 15.18960512 39 30.85 +02 13 17.3          21.4 GVEY032L01
     K15AO6A pC2018 12 15.19327612 39 32.00 +02 13 13.1          21.6 GVEY032L01
     K15AO6A pC2018 12 15.19738112 39 33.33 +02 13 08.8          21.7 GVEY032L01
     K15AO6A  C2018 12 16.51760 12 46 40.02 +01 47 29.8          21.0 GVEY032V06
     K15AO6A  C2018 12 16.51842 12 46 40.27 +01 47 28.9          21.3 GVEY032I52
     K15AO6A  C2018 12 16.52419 12 46 42.11 +01 47 22.1          21.2 GVEY032V06
     K15AO6A  C2018 12 16.53064 12 46 44.21 +01 47 14.0          21.3 GVEY032I52
     K15AO6A  C2018 12 16.53078 12 46 44.24 +01 47 14.7          21.4 GVEY032V06
     K15AO6A  C2018 12 16.53674 12 46 46.16 +01 47 07.6          21.3 GVEY032I52
     K15AO6A  C2018 12 16.53738 12 46 46.35 +01 47 06.8          21.5 GVEY032V06
 
Observer details:
G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  Measurers B. M. Africano,
    E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
    H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman,
    F. C. Shelly.  1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer H. Groeller.
    Measurers B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls,
    A. R. Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson,
    G. J. Leonard, R. L. Seaman, F. C. Shelly.  1.0-m reflector + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
V06 Catalina Sky Survey-Kuiper.  Observer H. Groeller.  Measurers
    B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs,
    A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard,
    R. L. Seaman, F. C. Shelly.  1.55-m reflector + CCD.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
181214 G96 0.05- 0.02+    181216 V06 0.05- 0.02+    MPO343827   +0.048 day
 
Orbital elements:
2015 AA246                                               Earth MOID = 0.1356 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  23.00371              (2000.0)            P               Q
n   0.26477529     Peri.   78.37703     -0.97435584     +0.11405795
a   2.4018788      Node   107.94014     -0.17457264     -0.92705393
e   0.6075000      Incl.   11.76366     +0.14196864     -0.35715795
P   3.72           H   19.5           G   0.15           U   1
Residuals in seconds of arc
150115 F51  0.2-  0.0     150118 291  0.3-  0.2+    150616 568  0.0   0.0
150115 F51  0.0   0.1+    150118 291  0.4-  0.3+    150620 291  0.5+  0.8+
150115 F51  0.2+  0.2+    150119 291  0.7-  0.1+    150620 291  0.1+  0.4+
150115 F51  0.0   0.1+    150119 291  0.5-  0.0     150620 291  0.1+  0.3+
150116 H01  0.1+  0.1+    150119 291  0.2-  0.1+    181214 G96  0.1-  0.3-
150116 H01  0.1+  0.3-    150218 291  0.1-  0.2+    181214 G96  0.3-  0.0
150116 H01  0.0   0.1-    150218 291  0.1-  0.1-    181214 G96  0.9+  0.0
150116 H01  0.0   0.1+    150218 291  0.1-  0.4+    181214 G96  0.5-  0.2+
150116 568  0.1+  0.1-    150320 568  0.1+  0.0     181215 L01  0.0   0.5-
150116 568  0.1+  0.0     150320 568  0.0   0.0     181215 L01  0.6-  0.5-
150117 H21  0.2+  0.0     150329 291  0.0   0.6-    181215 L01  0.2-  0.3-
150117 H21  0.1-  0.2+    150329 291  0.3-  0.0     181215 L01  0.0   0.5-
150117 H21  0.2-  0.1+    150415 291  0.5+  0.2-    181215 L01  0.1-  0.1-
150117 H01  0.1+  0.0     150415 291  0.4+  0.4-    181215 L01  0.4-  0.1-
150117 H01  0.0   0.0     150415 291  0.9+  0.1-    181215 L01  0.1-  0.4+
150117 H01  0.0   0.1-    150508 926  0.4-  0.1+    181216 V06  0.3+  0.2-
150117 H01  0.1-  0.0     150508 926  0.3-  0.2+    181216 I52  0.0   0.1-
150117 F51  0.0   0.0     150508 926  0.6-  0.1+    181216 V06  0.1-  0.2-
150117 F51  0.1+  0.1+    150530 926  0.1+  0.5+    181216 I52  0.3+  0.7-
150117 F51  0.0   0.3+    150530 926  0.5-  0.7+    181216 V06  0.1+  0.1+
150117 F51  0.2+  0.2+    150530 926  1.0-  0.5-    181216 I52  0.1+  0.0
150118 291  0.0   0.3+    150616 568  0.0   0.0     181216 V06  0.1-  0.1-

Ephemeris:
2015 AA246               a,e,i = 2.40, 0.61, 12                  q = 0.9427
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 11 19    10 33 59.9 +09 28 56   1.0825  1.3295    79.7    47.0    22.1
...
2018 12 04    11 41 57.5 +05 39 24   0.9365  1.2092    77.9    52.9    21.7
...
2018 12 12    12 22 34.9 +03 14 29   0.8816  1.1493    75.8    56.2    21.6
...
2018 12 18    12 54 42.2 +01 18 34   0.8524  1.1073    73.8    58.6    21.5
2018 12 19    13 00 10.1 +00 58 53   0.8485  1.1006    73.4    59.0    21.5
2018 12 20    13 05 39.4 +00 39 08   0.8450  1.0940    73.0    59.3    21.5
...
2018 12 26    13 39 00.7 -01 19 44   0.8302  1.0565    70.7    61.5    21.4
...
2019 01 03    14 23 54.0 -03 53 49   0.8267  1.0130    67.4    63.7    21.4
...
2019 01 18    15 45 19.7 -08 02 12   0.8639  0.9574    62.0    65.2    21.4

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-Y32



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