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
2023-08-11 02:51:56 C 00 46 42.33 +34 20 35.8 q A77
2023-08-11 02:53:10 C 00 46 42.59 +34 20 37.0 A77
2023-08-11 02:53:25 C 00 46 42.55 +34 20 36.7 q A77
2023-08-11 02:58:11 C 00 46 43.42 +34 20 43.2 q A77
2023-08-11 03:00:13 C 00 46 43.74 +34 20 45.7 A77
2023-08-11 03:02:04 C 00 46 44.05 +34 20 47.6 q A77
2023-08-11 03:02:21 C 00 46 44.13 +34 20 48.3 q A77
2023-08-11 22:47:03 C 00 50 08.616 +34 44 44.63 V K40
2023-08-11 23:07:47 C 00 50 12.084 +34 45 09.76 V K40
2023-08-12 14:34:09 C 00 52 54.89 +35 03 53.2 V 900
2023-08-12 14:44:21 C 00 52 56.67 +35 04 05.8 V 900
2023-08-12 21:18:56 C 00 54 06.96 +35 11 57.4 q L27
2023-08-12 22:16:45 C 00 54 17.08 +35 13 08.1 q L27
2023-08-12 22:55:49 C 00 54 24.05 +35 13 56.8 V L85
2023-08-12 23:07:34 C 00 54 26.462 +35 14 10.57 V Z10
2023-08-12 23:10:11 C 00 54 26.700 +35 14 14.10 q M16
2023-08-12 23:15:09 C 00 54 27.63 +35 14 20.0 q L27
2023-08-12 23:17:55 C 00 54 28.289 +35 14 23.32 V Z10
2023-08-12 23:29:22 C 00 54 30.262 +35 14 37.36 V Z10
2023-08-12 23:34:30 C 00 54 31.039 +35 14 44.20 q M16
2023-08-13 00:16:16 C 00 54 38.55 +35 15 34.8 V J01
2023-08-13 00:18:33 C 00 54 38.94 +35 15 36.5 V J01
2023-08-13 00:23:11 C 00 54 39.74 +35 15 42.7 V J01
2023-08-13 00:26:35 C 00 54 40.07 +35 15 48.8 V L85
2023-08-13 00:28:42 C 00 54 40.60 +35 15 50.6 q L27
2023-08-13 09:10:45 C 00 56 14.220 +35 26 22.56 q H47
2023-08-13 09:24:06 C 00 56 16.584 +35 26 38.36 q H47
2023-08-13 09:30:56 C 00 56 17.825 +35 26 46.79 q H47
2023-08-13 15:40:22 C 00 57 25.77 +35 34 07.0 V P87
2023-08-13 15:48:12 C 00 57 27.20 +35 34 16.6 V P87
2023-08-13 15:56:02 C 00 57 28.57 +35 34 26.1 V P87
2023-08-13 23:36:44 C 00 58 53.16 +35 43 32.4 V C23
2023-08-13 23:42:55 C 00 58 54.16 +35 43 41.7 Z G23
2023-08-13 23:48:36 C 00 58 55.33 +35 43 46.9 V C23
2023-08-13 23:57:13 C 00 58 56.88 +35 43 57.3 V C23
2023-08-13 23:57:14 C 00 58 56.77 +35 43 59.1 Z G23
2023-08-14 00:12:34 C 00 58 59.672 +35 44 15.99 Z M09
2023-08-14 00:23:15 C 00 59 01.620 +35 44 28.96 Z M09
2023-08-14 00:33:55 C 00 59 03.560 +35 44 41.89 Z M09
2023-08-14 00:40:20 C 00 59 04.706 +35 44 47.33 V I81
2023-08-14 00:44:24 C 00 59 05.458 +35 44 52.26 V I81
2023-08-14 00:49:08 C 00 59 06.305 +35 44 58.06 V I81
2023-08-14 00:53:14 C 00 59 07.061 +35 45 02.38 V I81
2023-08-14 01:53:36 C 00 59 18.06 +35 46 19.6 q A77
2023-08-14 01:57:46 C 00 59 18.82 +35 46 24.4 q A77
2023-08-14 02:01:57 C 00 59 19.60 +35 46 29.8 q A77
2023-08-14 02:05:32 C 00 59 20.23 +35 46 33.7 q A77
2023-08-14 02:09:42 C 00 59 21.00 +35 46 39.7 q A77
2023-08-14 11:31:32 C 01 01 05.928 +35 57 52.60 V T05
2023-08-14 11:34:52 C 01 01 06.545 +35 57 56.56 V T05
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)