103P

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2010-10-21 (JD 2455491.0)
Eccentricity (e)0.6950806879 ± 8.50e-07
Semi-major axis (a)3.4719838601 AU ± 1.01e-05
Inclination (i)13.61944472° ± 8.09e-06
Long. of Asc. Node (Ω)219.75855271° ± 1.72e-05
Arg. of Perihelion (ω)181.20579728° ± 2.65e-05
Mean Anomaly (M)358.96974617° ± 5.77e-06
Mean Motion (n)0.1523511475°/day ± 6.62e-07
Perihelion dist (q)1.05867493 AU ± 4.26e-06
Aphelion dist (Q)5.88529279 AU ± 1.73e-05
Orbital Period6.46943787 yr ± 2.81e-05
Physical Parameters
Diameter1.600 km
Rotation Period18.100 h
NGA Sets
NGA Modelg(r)
Set 1
Interval 1 2010-03-01 — 2010-09-01
A1-1.54957190e-08 AU/d² ± 1.66e-10
A24.13637886e-09 AU/d² ± 9.05e-11
A3-1.80570947e-09 AU/d² ± 1.45e-10
Set 2
Interval 1 2010-09-01 — 2010-10-28
A13.83863289e-09 AU/d² ± 1.55e-10
A2-4.38193650e-09 AU/d² ± 1.74e-10
A3-5.63848079e-10 AU/d² ± 1.28e-10
Set 3
Interval 1 2010-10-28 — 2011-01-01
A14.59554332e-09 AU/d² ± 2.37e-10
A25.74301617e-09 AU/d² ± 1.24e-10
A32.27234321e-09 AU/d² ± 1.04e-10
Set 4
Interval 1 2011-01-01 — 2011-06-01
A1-1.71641261e-08 AU/d² ± 1.49e-10
A2-7.23628355e-09 AU/d² ± 1.09e-10
A3-6.29889614e-10 AU/d² ± 8.91e-11
Set 5
Interval 1 1900-01-01 — 2100-01-01
S(R)-44.7 km ± 1.94e+01
S(T)258.1 km ± 2.51e+01
S(N)397.7 km ± 1.31e+01
Orbit Solution
SourceIAA
Solution Date2026-06-08
RMS Residual0.700″
Uncertainty0
Orbit TypeAmor
MOID0.065145 AU
Observations Used8892
Radar Obs Used6
Oppositions33
Arc Total1986-2025
First Observation Used1997-05-02
Last Observation Used2025-04-28
Observations (9766)
Date Type RA Dec Mag Band Observatory
1997-05-15 05:26:46 C 19 56 18.78 -05 26 17.2 954
1997-05-15 05:32:40 C 19 56 18.86 -05 26 15.2 954
1997-05-15 09:33:09 C 19 56 21.90 -05 24 51.2 696
1997-05-15 09:38:45 C 19 56 21.96 -05 24 49.3 696
1997-05-15 09:44:21 C 19 56 22.02 -05 24 47.0 696
1997-05-31 16:56:48 C 19 58 08.87 -03 05 08.4 402
1997-05-31 17:01:48 C 19 58 08.87 -03 05 06.9 402
1997-05-31 17:06:49 C 19 58 08.84 -03 05 04.3 402
1997-05-31 17:14:45 C 19 58 08.84 -03 05 01.1 360
1997-05-31 17:21:59 C 19 58 08.81 -03 04 58.5 360
1997-06-02 01:18:45 C 19 58 00.31 -02 53 31.4 557
1997-06-06 16:00:06 C 19 57 09.03 -02 14 00.6 402
1997-06-06 16:06:05 C 19 57 08.98 -02 13 58.3 402
1997-06-06 16:12:06 C 19 57 08.93 -02 13 56.1 402
1997-06-07 18:21:02 C 19 56 51.50 -02 04 41.4 867
1997-06-07 18:29:32 C 19 56 51.37 -02 04 38.0 867
1997-06-10 00:04:39 C 19 56 09.79 -01 45 48.3 118
1997-06-10 00:15:00 C 19 56 09.67 -01 45 44.2 118
1997-06-10 00:35:13 C 19 56 09.37 -01 45 38.4 046
1997-06-10 00:38:36 C 19 56 09.35 -01 45 36.3 046
1997-06-10 00:41:34 C 19 56 09.29 -01 45 35.3 046
1997-06-10 23:46:26 C 19 55 48.73 -01 37 31.5 557
1997-06-11 02:09:29 C 19 55 46.49 -01 36 40.7 954
1997-06-11 02:42:56 C 19 55 45.92 -01 36 29.0 954
1997-06-11 03:18:40 C 19 55 45.32 -01 36 16.6 954
1997-06-11 23:52:51 C 19 55 25.47 -01 29 10.5 118
1997-06-12 00:25:39 C 19 55 24.95 -01 28 58.3 118
1997-06-25 22:16:44 C 19 47 00.59 +00 19 35.7 118
1997-06-25 22:26:15 C 19 47 00.25 +00 19 38.2 118
1997-06-26 18:01:46 C 19 46 19.82 +00 25 26.8 402
1997-06-26 18:05:46 C 19 46 19.66 +00 25 28.4 402
1997-06-27 23:40:50 C 19 45 16.95 +00 34 01.0 118
1997-06-28 00:10:54 C 19 45 15.82 +00 34 09.6 118
1997-06-28 00:15:53 C 19 45 15.61 +00 34 10.6 118
1997-06-29 16:14:00 C 19 43 46.31 +00 45 26.0 402
1997-06-29 16:19:00 C 19 43 46.14 +00 45 27.3 402
1997-06-29 16:24:01 C 19 43 45.97 +00 45 29.0 402
1997-06-29 17:19:14 C 19 43 43.79 +00 45 44.8 360
1997-06-29 17:36:15 C 19 43 43.12 +00 45 49.4 360
1997-07-03 14:59:16 C 19 39 56.51 +01 10 24.2 402
1997-07-03 15:04:16 C 19 39 56.26 +01 10 25.9 402
1997-07-03 15:09:17 C 19 39 56.03 +01 10 27.1 402
1997-07-04 00:05:07 C 19 39 33.18 +01 12 41.5 954
1997-07-04 00:17:07 C 19 39 32.63 +01 12 44.5 954
1997-07-04 00:30:04 C 19 39 32.07 +01 12 47.4 954
1997-07-04 00:42:04 C 19 39 31.51 +01 12 50.7 954
1997-07-04 00:58:47 C 19 39 30.78 +01 12 54.8 954
1997-07-04 01:06:46 C 19 39 30.40 +01 12 56.9 954
1997-07-04 16:41:00 C 19 38 49.57 +01 16 43.0 897
1997-07-04 16:50:50 C 19 38 49.18 +01 16 45.6 897
Radar Observations (6)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2010-10-24 07:50:00 -35963.2427 0.5 Hz 2380 -1 -1
2010-10-24 08:02:00 123053086.64 4 us 2380 -1 -1
2010-10-25 07:34:00 124535088.24 1.5 us 2380 -1 -1
2010-10-26 09:26:00 126533148.82 2 us 2380 -1 -1
2010-10-27 07:40:00 128543233.13 3 us 2380 -1 -1
2010-10-29 09:34:00 133954458.1 3 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)