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
2010-08-23 02:58:50 C 22 42 33.64 +33 31 42.6 r 762
2010-08-23 08:21:46 C 22 42 43.23 +33 38 12.1 o G68
2010-08-23 08:36:46 C 22 42 43.64 +33 38 29.9 o G68
2010-08-23 08:51:45 C 22 42 44.04 +33 38 47.8 o G68
2010-08-23 09:06:46 C 22 42 44.43 +33 39 05.6 o G68
2010-08-23 19:37:07 C 22 43 05.66 +33 51 32.7 o 585
2010-08-23 19:39:10 C 22 43 05.75 +33 51 35.4 o 585
2010-08-23 19:41:12 C 22 43 05.80 +33 51 36.9 o 585
2010-08-23 19:45:15 C 22 43 05.92 +33 51 42.6 o 585
2010-08-23 19:47:17 C 22 43 05.97 +33 51 45.5 o 585
2010-08-23 19:49:18 C 22 43 06.06 +33 51 46.8 o 585
2010-08-23 19:53:23 C 22 43 06.16 +33 51 53.2 o 585
2010-08-23 19:55:25 C 22 43 06.24 +33 51 55.0 o 585
2010-08-23 19:57:26 C 22 43 06.28 +33 51 56.8 o 585
2010-08-24 21:28:41 C 22 43 57.30 +34 22 37.5 w 232
2010-08-24 21:36:12 C 22 43 57.39 +34 22 46.1 v B33
2010-08-24 21:38:29 C 22 43 57.46 +34 22 49.0 v B33
2010-08-24 21:42:21 C 22 43 57.73 +34 22 53.8 w 232
2010-08-24 21:50:28 C 22 43 57.95 +34 23 03.5 w 232
2010-08-24 23:30:07 C 22 44 00.72 +34 25 04.9 u 160
2010-08-24 23:33:05 C 22 44 00.80 +34 25 08.5 u 160
2010-08-24 23:36:02 C 22 44 00.89 +34 25 12.2 u 160
2010-08-25 14:54:21 C 22 44 32.40 +34 43 44.1 m 349
2010-08-25 15:03:43 C 22 44 32.69 +34 43 55.6 m 349
2010-08-25 23:26:02 C 22 44 50.28 +34 54 02.6 u 160
2010-08-25 23:29:14 C 22 44 50.38 +34 54 06.5 u 160
2010-08-25 23:32:10 C 22 44 50.47 +34 54 10.1 u 160
2010-08-25 23:48:29 C 22 44 51.30 +34 54 31.0 w J07
2010-08-26 00:03:39 C 22 44 51.77 +34 54 49.2 w J07
2010-08-26 00:18:19 C 22 44 52.18 +34 55 07.1 w J07
2010-08-27 03:54:31 C 22 45 52.25 +35 28 44.8 r 762
2010-08-27 04:09:04 C 22 45 52.69 +35 29 03.3 r 762
2010-08-27 04:21:21 C 22 45 53.11 +35 29 17.9 r 762
2010-08-27 04:30:42 C 22 45 53.39 +35 29 30.1 r 762
2010-08-27 20:45:33 C 22 46 30.31 +35 49 26.8 w 213
2010-08-27 20:49:45 C 22 46 30.46 +35 49 32.4 w 213
2010-08-27 20:53:57 C 22 46 30.60 +35 49 37.4 w 213
2010-08-27 23:23:50 C 22 46 35.73 +35 52 44.6 w J05
2010-08-27 23:32:55 C 22 46 36.03 +35 52 56.0 w J05
2010-08-27 23:34:03 C 22 46 36.06 +35 52 57.4 w J05
2010-08-27 23:42:25 C 22 46 36.34 +35 53 07.9 w J05
2010-08-28 05:05:06 C 22 46 48.84 +35 59 48.8 u H47
2010-08-28 05:18:12 C 22 46 49.26 +36 00 05.3 u H47
2010-08-28 05:52:55 C 22 46 50.36 +36 00 48.5 u H47
2010-08-28 15:01:04 C 22 47 12.11 +36 11 56.1 g C06
2010-08-28 15:06:32 C 22 47 12.30 +36 12 04.9 g C06
2010-08-28 16:09:26 C 22 47 14.57 +36 13 22.0 g C06
2010-08-28 16:14:51 C 22 47 14.75 +36 13 29.0 g C06
2010-08-28 20:55:21 C 22 47 26.44 +36 19 19.9 w I99
2010-08-28 21:02:51 C 22 47 26.72 +36 19 29.6 w I99
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)