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
2010-09-13 22:07:33 C 23 11 55.90 +44 52 41.8 w J38
2010-09-13 22:11:14 C 23 11 56.25 +44 52 47.3 w J38
2010-09-13 22:49:07 C 23 11 59.87 +44 53 43.7 w 945
2010-09-13 22:54:20 C 23 12 00.36 +44 53 51.0 w 945
2010-09-13 22:57:16 C 23 12 00.63 +44 53 56.1 w 945
2010-09-13 23:03:47 C 23 12 01.22 +44 54 04.9 w 945
2010-09-13 23:06:16 C 23 12 01.50 +44 54 08.8 w 945
2010-09-14 00:49:19 C 23 12 13.35 +44 56 26.1 r 762
2010-09-14 02:11:16 C 23 12 21.54 +44 58 29.0 r 762
2010-09-14 06:39:50 C 23 12 48.73 +45 05 05.1 o G68
2010-09-14 07:09:51 C 23 12 51.62 +45 05 49.0 o G68
2010-09-14 07:39:50 C 23 12 54.48 +45 06 32.4 o G68
2010-09-14 08:09:50 C 23 12 57.37 +45 07 15.7 o G68
2010-09-14 08:32:30 C 23 12 59.53 +45 07 48.1 o G68
2010-09-14 10:32:57 C 23 13 14.73 +45 10 35.2 u D95
2010-09-14 10:34:02 C 23 13 14.83 +45 10 36.8 u D95
2010-09-14 10:36:12 C 23 13 15.05 +45 10 40.2 u D95
2010-09-14 10:38:21 C 23 13 15.27 +45 10 43.3 u D95
2010-09-14 13:20:58 C 23 13 31.53 +45 14 47.1 u 379
2010-09-14 13:35:19 C 23 13 33.00 +45 15 08.5 u 379
2010-09-14 13:38:59 C 23 13 33.34 +45 15 13.2 u 379
2010-09-14 16:21:50 C 23 13 51.59 +45 18 53.1 r 168
2010-09-14 16:23:05 C 23 13 51.73 +45 18 55.1 r 168
2010-09-14 16:24:03 C 23 13 51.84 +45 18 56.3 r 168
2010-09-14 16:25:18 C 23 13 51.97 +45 18 58.4 r 168
2010-09-14 16:26:17 C 23 13 52.07 +45 18 59.9 r 168
2010-09-14 18:00:05 C 23 14 01.77 +45 21 18.8 r 168
2010-09-14 18:01:15 C 23 14 01.89 +45 21 20.6 r 168
2010-09-14 18:02:15 C 23 14 02.00 +45 21 22.0 r 168
2010-09-14 18:03:03 C 23 14 02.07 +45 21 23.0 r 168
2010-09-14 18:04:02 C 23 14 02.18 +45 21 24.8 r 168
2010-09-14 20:08:33 C 23 14 16.85 +45 24 29.5 w B70
2010-09-14 20:11:07 C 23 14 17.13 +45 24 33.7 c C12
2010-09-14 20:13:47 C 23 14 17.42 +45 24 37.6 c C12
2010-09-14 20:16:27 C 23 14 17.66 +45 24 42.1 c C12
2010-09-14 20:18:14 C 23 14 17.85 +45 24 44.3 c C12
2010-09-14 20:23:38 C 23 14 18.41 +45 24 52.2 w B70
2010-09-14 20:39:42 C 23 14 20.04 +45 25 16.4 w B70
2010-09-14 21:04:28 C 23 14 22.61 +45 25 53.8 w 213
2010-09-14 21:10:21 C 23 14 23.21 +45 26 02.8 w 213
2010-09-14 21:18:24 C 23 14 24.05 +45 26 14.5 w 213
2010-09-14 22:22:50 C 23 14 30.84 +45 27 52.4 o I89
2010-09-14 22:25:15 C 23 14 31.07 +45 27 55.8 o I89
2010-09-14 22:27:40 C 23 14 31.28 +45 27 59.1 o I89
2010-09-14 23:09:27 C 23 14 35.64 +45 28 57.3 w J38
2010-09-14 23:10:29 C 23 14 35.76 +45 28 58.9 w J38
2010-09-14 23:14:42 C 23 14 36.19 +45 29 05.2 w J38
2010-09-15 00:02:09 C 23 14 41.06 +45 30 16.0 w 945
2010-09-15 00:04:39 C 23 14 41.32 +45 30 19.8 w 945
2010-09-15 00:08:09 C 23 14 41.66 +45 30 24.8 w 945
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)