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
2023-07-29 23:10:47 C 00 04 25.46 +28 24 48.5 V C40
2023-07-29 23:32:39 C 00 04 28.11 +28 25 14.8 V C40
2023-07-29 23:38:17 C 00 04 29.05 +28 25 19.6 V C23
2023-07-29 23:45:49 C 00 04 29.95 +28 25 28.7 V C23
2023-07-29 23:52:17 C 00 04 30.79 +28 25 36.8 V C23
2023-07-29 23:54:00 C 00 04 30.73 +28 25 40.7 V C40
2023-07-30 00:20:18 C 00 04 34.157 +28 26 08.74 V I81
2023-07-30 00:27:32 C 00 04 35.047 +28 26 17.05 V I81
2023-07-30 00:34:16 C 00 04 35.873 +28 26 25.51 V I81
2023-07-30 02:35:34 C 00 04 50.73 +28 28 54.7 A77
2023-07-30 02:41:24 C 00 04 51.45 +28 29 01.8 A77
2023-07-30 02:46:39 C 00 04 52.09 +28 29 08.1 A77
2023-07-30 12:28:04 C 00 06 05.042 +28 40 50.34 V T05
2023-07-30 12:34:27 C 00 06 05.808 +28 40 58.08 V T05
2023-07-30 12:41:54 C 00 06 06.744 +28 41 07.08 V T05
2023-07-30 13:28:36 C 00 06 13.037 +28 41 57.05 q Q21
2023-07-30 13:36:09 C 00 06 13.994 +28 42 06.01 q Q21
2023-07-31 00:17:01 C 00 07 34.673 +28 54 54.76 V I81
2023-07-31 00:20:07 C 00 07 35.095 +28 54 58.72 V I81
2023-07-31 01:16:07 C 00 07 42.223 +28 56 09.96 V A02
2023-07-31 01:27:46 C 00 07 43.687 +28 56 24.22 V A02
2023-07-31 01:39:25 C 00 07 45.144 +28 56 38.36 V A02
2023-07-31 02:58:58 B 00 07 55.12 +28 58 15.4 q Z28
2023-07-31 03:01:28 B 00 07 55.44 +28 58 18.6 q Z28
2023-07-31 03:03:41 B 00 07 55.71 +28 58 21.4 q Z28
2023-08-01 00:55:42 C 00 10 45.024 +29 24 43.74 V A02
2023-08-01 01:07:13 C 00 10 46.478 +29 24 57.53 V A02
2023-08-01 01:18:41 C 00 10 47.921 +29 25 11.46 V A02
2023-08-01 12:15:58 C 00 12 14.074 +29 38 32.60 V T05
2023-08-01 12:18:34 C 00 12 14.388 +29 38 35.59 V T05
2023-08-01 12:25:45 C 00 12 15.286 +29 38 43.98 V T05
2023-08-01 12:53:07 C 00 12 18.797 +29 39 17.64 V T05
2023-08-02 15:10:35 C 00 15 49.92 +30 11 10.9 m 349
2023-08-02 15:24:27 C 00 15 51.80 +30 11 28.0 m 349
2023-08-02 15:43:03 C 00 15 54.24 +30 11 50.5 m 349
2023-08-02 15:55:41 C 00 15 55.94 +30 12 06.3 m 349
2023-08-03 12:13:37 C 00 18 42.670 +30 36 54.40 V T05
2023-08-03 12:23:22 C 00 18 43.982 +30 37 06.46 V T05
2023-08-03 12:26:38 C 00 18 44.424 +30 37 10.88 V T05
2023-08-03 12:33:58 C 00 18 45.468 +30 37 20.06 V T05
2023-08-03 22:15:20 C 00 20 06.77 +30 49 01.6 V B96
2023-08-03 22:20:00 C 00 20 07.11 +30 49 09.8 V C40
2023-08-03 22:34:18 C 00 20 09.38 +30 49 25.4 V B96
2023-08-03 22:39:29 C 00 20 09.83 +30 49 33.8 V C40
2023-08-03 22:53:16 C 00 20 12.07 +30 49 48.4 V B96
2023-08-03 22:58:58 C 00 20 12.52 +30 49 57.7 V C40
2023-08-03 23:10:03 C 00 20 14.28 +30 50 08.9 V C23
2023-08-03 23:14:21 C 00 20 14.87 +30 50 14.4 V C23
2023-08-03 23:17:36 C 00 20 15.30 +30 50 18.6 V C23
2023-08-04 08:25:26 C 00 21 32.38 +31 01 32.0 q U94
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)