503911 (2002 FD6)

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3421325271 ± 4.36e-08
Semi-major axis (a)1.2331585369 AU ± 4.50e-09
Inclination (i)10.06289229° ± 8.27e-06
Long. of Asc. Node (Ω)15.14476581° ± 1.07e-06
Arg. of Perihelion (ω)256.92792734° ± 6.88e-06
Mean Anomaly (M)51.16064218° ± 4.89e-05
Mean Motion (n)0.7197536989°/day ± 3.94e-09
Perihelion dist (q)0.81125489 AU ± 5.39e-08
Aphelion dist (Q)1.65506218 AU ± 5.41e-08
Orbital Period1.36939384 yr ± 7.50e-09
Physical Parameters
H (abs. magnitude)22.89
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.638″
Uncertainty0
Orbit TypeApollo
MOID0.004751 AU
Observations Used570
Radar Obs Used6
Oppositions1
Arc Total2002-2002
First Observation Used2002-03-21
Last Observation Used2017-10-22
Observations (594)
Date Type RA Dec Mag Band Observatory
2002-04-05 09:31:11 C 15 39 46.32 -28 23 15.6 15.4 m 732
2002-04-05 09:31:47 C 15 39 48.46 -28 23 57.5 15.0 m 732
2002-04-05 09:37:21 C 15 40 08.12 -28 30 19.0 14.6 m 732
2002-04-05 10:04:11 C 15 41 44.14 -29 01 07.2 15.3 m 732
2002-04-05 10:04:46 C 15 41 46.32 -29 01 49.0 14.9 m 732
2002-04-05 10:05:22 C 15 41 48.51 -29 02 29.4 17.6 m 732
2002-04-05 10:06:37 C 15 41 52.97 -29 03 54.6 15.2 m 732
2002-04-05 10:11:42 C 15 42 12.31 -29 12 47.6 c 649
2002-04-05 10:13:42 C 15 42 19.73 -29 15 07.1 c 649
2002-04-05 10:15:42 C 15 42 27.10 -29 17 25.1 c 649
2002-04-05 10:19:58 C 15 43 06.77 -29 22 09.9 c 670
2002-04-05 11:02:51 C 15 45 49.27 -30 12 36.5 c 670
2002-04-05 18:09:00 C 16 21 36.48 -39 10 30.1 340
2002-04-05 18:10:03 C 16 21 42.40 -39 11 53.0 340
2002-04-05 18:11:32 C 16 21 50.85 -39 13 49.0 340
2002-04-05 18:13:14 C 16 22 00.93 -39 16 05.6 340
2002-04-05 18:15:33 C 16 22 14.48 -39 19 07.3 340
2006-09-13 13:02:35 C 04 17 14.34 -09 25 55.1 o 474
2006-09-13 13:08:41 C 04 17 12.19 -09 25 40.0 o 474
2006-09-13 13:26:13 C 04 17 05.65 -09 24 56.1 o 474
2006-09-13 13:30:34 C 04 17 04.15 -09 24 44.2 o 474
2006-09-13 13:34:54 C 04 17 02.53 -09 24 34.3 o 474
2006-09-28 00:09:40 C 02 21 40.13 +04 00 43.5 r A13
2006-09-28 00:37:31 C 02 21 31.95 +04 01 34.1 r A13
2006-09-30 07:03:50 C 02 06 39.52 +05 35 54.8 r 703
2006-09-30 07:17:20 C 02 06 35.82 +05 36 16.9 r 703
2006-09-30 07:30:57 C 02 06 32.00 +05 36 39.3 r 703
2006-09-30 07:44:30 C 02 06 28.29 +05 37 01.4 r 703
2006-09-30 09:03:25 C 02 06 06.51 +05 39 09.9 r 703
2006-09-30 09:20:18 C 02 06 01.80 +05 39 36.6 r 703
2006-09-30 09:37:09 C 02 05 57.15 +05 40 03.5 r 703
2006-09-30 09:54:03 C 02 05 52.47 +05 40 29.4 r 703
2006-10-11 03:59:16 C 01 11 16.44 +10 44 17.1 c 691
2006-10-11 04:24:19 C 01 11 12.16 +10 44 37.7 c 691
2006-10-11 04:49:22 C 01 11 07.83 +10 44 58.2 c 691
2017-09-05 11:19:26 C 04 37 50.12 +16 23 40.8 o 695
2017-09-05 11:21:41 C 04 37 50.09 +16 23 42.9 o 695
2017-09-05 11:23:58 C 04 37 50.07 +16 23 45.2 o 695
2017-10-19 06:37:37 C 03 22 54.57 +30 30 15.7 u H21
2017-10-19 06:53:24 C 03 22 52.19 +30 30 22.0 u H21
2017-10-19 07:19:21 C 03 22 48.28 +30 30 32.3 u H21
2017-10-22 11:32:39 C 03 11 35.58 +30 56 12.6 o 291
2017-10-22 11:42:21 C 03 11 34.08 +30 56 14.7 o 291
2017-10-22 11:52:04 C 03 11 32.56 +30 56 17.5 o 291
Radar Observations (6)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2002-04-02 12:00:00 613373 10 Hz 8560 -14 -14
2002-04-02 13:20:00 607667 3 Hz 8560 -14 -14
2002-04-03 10:10:00 19912587 10 us 8560 -14 -14
2002-04-03 12:00:00 19455780 1 us 8560 -14 -14
2002-04-03 12:20:00 19373691.507 0.25 us 8560 -14 -14
2002-04-04 08:30:00 14477511 1 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)