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
2024-03-03 09:40:09 C 08 00 04.510 -02 34 13.80 V T05
2024-03-03 09:42:06 C 08 00 04.514 -02 34 12.54 V T05
2024-03-03 09:55:47 C 08 00 04.634 -02 34 05.30 V T05
2024-03-03 10:04:54 C 08 00 04.709 -02 34 00.52 V T05
2024-03-03 12:47:32 C 08 00 06.15 -02 32 36.8 m 349
2024-03-03 13:03:46 C 08 00 06.26 -02 32 28.3 m 349
2024-03-04 22:10:23 C 08 00 23.599 -02 15 15.70 V I75
2024-03-04 22:22:21 C 08 00 23.731 -02 15 10.80 V I75
2024-03-04 22:33:31 C 08 00 23.801 -02 15 05.94 V I75
2024-03-06 21:30:37 C 08 00 54.245 -01 51 21.82 Z C23
2024-03-06 21:36:51 C 08 00 54.319 -01 51 18.94 Z C23
2024-03-06 21:59:39 C 08 00 54.569 -01 51 07.21 Z M09
2024-03-06 22:09:53 C 08 00 54.653 -01 51 00.31 Z M09
2024-03-06 22:20:06 C 08 00 54.722 -01 50 58.06 Z M09
2024-03-06 22:34:06 C 08 00 55.02 -01 50 48.5 q 950
2024-03-07 00:02:44 C 08 00 55.90 -01 50 04.1 q 950
2024-03-07 12:00:37 C 08 01 05.10 -01 44 03.5 V G26
2024-03-07 12:40:11 C 08 01 05.30 -01 43 58.3 V G26
2024-03-07 21:04:31 B 08 01 11.904 -01 39 44.75 Z C95
2024-03-07 21:09:33 B 08 01 11.947 -01 39 41.87 Z C95
2024-03-07 21:14:36 B 08 01 12.002 -01 39 39.96 Z C95
2024-03-07 21:19:40 B 08 01 12.084 -01 39 37.19 Z C95
2024-03-07 21:24:42 B 08 01 12.115 -01 39 34.67 Z C95
2024-03-07 21:29:45 B 08 01 12.216 -01 39 32.11 Z C95
2024-03-08 00:46:38 C 08 01 14.474 -01 37 57.03 Z M09
2024-03-08 00:56:51 C 08 01 14.610 -01 37 51.42 Z M09
2024-03-08 01:07:04 C 08 01 14.899 -01 37 47.91 Z M09
2024-03-09 14:46:07 C 08 01 46.86 -01 19 39.8 q Q11
2024-03-09 14:58:32 C 08 01 47.04 -01 19 34.0 q Q11
2024-03-10 13:52:26 C 08 02 08.52 -01 08 48.9 q Q11
2024-03-10 14:04:50 C 08 02 08.71 -01 08 43.5 q Q11
2024-03-10 14:17:13 C 08 02 08.88 -01 08 37.7 q Q11
2024-03-11 13:06:10 C 08 02 31.54 -00 58 07.5 V G26
2024-03-11 14:42:56 C 08 02 33.66 -00 57 20.5 V G26
2024-03-11 20:51:14 C 08 02 39.910 -00 54 34.92 Z M06
2024-03-11 21:17:59 C 08 02 40.418 -00 54 23.11 Z M06
2024-03-11 21:43:03 C 08 02 40.853 -00 54 12.06 Z M06
2024-03-13 19:25:38 B 08 03 31.752 -00 33 52.09 Z C95
2024-03-13 19:33:52 B 08 03 31.903 -00 33 48.38 Z C95
2024-03-13 19:41:27 B 08 03 32.054 -00 33 44.71 Z C95
2024-03-13 23:07:27 B 08 03 35.827 -00 32 15.90 Z C95
2024-03-13 23:13:30 B 08 03 35.978 -00 32 12.44 Z C95
2024-03-13 23:19:33 B 08 03 36.161 -00 32 10.03 Z C95
2024-03-13 23:25:36 B 08 03 36.216 -00 32 07.84 Z C95
2024-03-14 00:48:23 B 08 03 37.77 -00 31 30.1 Z J22
2024-03-14 00:54:08 B 08 03 37.87 -00 31 27.6 Z J22
2024-03-14 00:59:55 B 08 03 37.99 -00 31 25.2 Z J22
2024-03-14 02:28:22 C 08 03 39.890 -00 30 40.21 V W68
2024-03-14 02:32:56 C 08 03 40.027 -00 30 38.56 V W68
2024-03-14 02:41:25 C 08 03 40.135 -00 30 35.35 V W68
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)