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
2010-08-02 21:47:32 C 22 29 15.02 +24 31 51.2 r 473
2010-08-02 21:53:28 C 22 29 15.19 +24 31 57.6 r 473
2010-08-02 21:59:29 C 22 29 15.35 +24 32 03.9 r 473
2010-08-02 22:05:25 C 22 29 15.48 +24 32 10.3 r 473
2010-08-02 23:01:15 C 22 29 16.91 +24 33 09.5 u 160
2010-08-02 23:05:07 C 22 29 17.01 +24 33 13.5 u 160
2010-08-02 23:08:58 C 22 29 17.10 +24 33 17.8 u 160
2010-08-03 01:30:32 C 22 29 20.67 +24 35 45.6 w J01
2010-08-03 01:40:45 C 22 29 20.91 +24 35 56.4 w J01
2010-08-03 01:51:34 C 22 29 21.16 +24 36 07.5 w J01
2010-08-03 15:56:43 C 22 29 43.86 +24 50 50.9 u 900
2010-08-03 16:06:28 C 22 29 44.10 +24 51 01.2 u 900
2010-08-03 16:43:37 C 22 29 44.88 +24 51 40.1 m 349
2010-08-03 16:48:44 C 22 29 45.02 +24 51 45.3 m 349
2010-08-03 16:53:50 C 22 29 45.15 +24 51 50.8 m 349
2010-08-04 05:37:20 C 22 30 06.20 +25 05 10.2 u H06
2010-08-04 05:41:20 C 22 30 06.24 +25 05 14.1 u H06
2010-08-04 05:45:17 C 22 30 06.38 +25 05 19.1 u H06
2010-08-04 05:49:17 C 22 30 06.42 +25 05 22.9 u H06
2010-08-04 05:53:14 C 22 30 06.53 +25 05 27.0 u H06
2010-08-04 09:09:20 C 22 30 11.24 +25 08 52.7 o G68
2010-08-04 09:24:21 C 22 30 11.63 +25 09 07.9 o G68
2010-08-04 09:33:06 C 22 30 11.90 +25 09 19.0 o G68
2010-08-04 09:35:06 C 22 30 11.95 +25 09 20.6 o G68
2010-08-04 09:37:05 C 22 30 12.01 +25 09 22.5 o G68
2010-08-04 09:39:05 C 22 30 12.02 +25 09 24.6 o G68
2010-08-04 09:41:05 C 22 30 12.10 +25 09 27.0 o G68
2010-08-04 09:43:05 C 22 30 12.15 +25 09 29.1 o G68
2010-08-04 09:45:06 C 22 30 12.18 +25 09 30.7 o G68
2010-08-04 09:47:20 C 22 30 12.13 +25 09 32.8 o G68
2010-08-04 09:54:19 C 22 30 12.38 +25 09 40.8 o G68
2010-08-04 10:09:21 C 22 30 12.70 +25 09 55.1 o G68
2010-08-04 13:25:39 C 22 30 18.64 +25 13 21.5 u 367
2010-08-04 13:27:45 C 22 30 18.71 +25 13 23.7 u 367
2010-08-04 13:29:49 C 22 30 18.75 +25 13 26.0 u 367
2010-08-05 01:18:46 C 22 30 37.10 +25 25 53.3 w J01
2010-08-05 01:28:18 C 22 30 37.32 +25 26 03.3 w J01
2010-08-05 01:33:42 C 22 30 37.44 +25 26 09.1 w J01
2010-08-05 03:25:52 C 22 30 40.90 +25 28 05.1 r 762
2010-08-05 03:38:46 C 22 30 41.22 +25 28 18.9 r 762
2010-08-05 03:45:25 C 22 30 41.38 +25 28 25.7 r 762
2010-08-05 03:58:14 C 22 30 41.72 +25 28 39.7 r 762
2010-08-05 04:15:15 C 22 30 42.15 +25 28 57.9 r 762
2010-08-05 04:30:04 C 22 30 42.49 +25 29 13.4 r 762
2010-08-05 07:46:25 C 22 30 47.15 +25 32 45.0 u H47
2010-08-05 07:55:47 C 22 30 47.44 +25 32 53.5 u H47
2010-08-05 08:04:09 C 22 30 47.54 +25 33 02.2 u H47
2010-08-05 22:13:24 C 22 31 10.56 +25 47 58.5 w B96
2010-08-05 22:16:33 C 22 31 10.62 +25 48 01.9 w B96
2010-08-05 22:22:49 C 22 31 10.63 +25 48 02.8 w B96
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)