65909 (1998 FH12)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5396796824 ± 1.52e-08
Semi-major axis (a)1.0910630102 AU ± 5.38e-10
Inclination (i)3.56051664° ± 1.75e-06
Long. of Asc. Node (Ω)108.59101585° ± 1.31e-05
Arg. of Perihelion (ω)284.51423437° ± 1.32e-05
Mean Anomaly (M)182.85665851° ± 7.15e-06
Mean Motion (n)0.8648435040°/day ± 6.40e-10
Perihelion dist (q)0.50223847 AU ± 1.66e-08
Aphelion dist (Q)1.67988755 AU ± 1.66e-08
Orbital Period1.13965854 yr ± 8.43e-10
Physical Parameters
H (abs. magnitude)19.31
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.352″
Uncertainty0
Orbit TypeApollo
MOID0.012982 AU
Observations Used495
Radar Obs Used10
Oppositions1
Arc Total1998-2023
First Observation Used1998-03-25
Last Observation Used2023-04-12
Observations (532)
Date Type RA Dec Mag Band Observatory
2003-06-22 00:55:05 C 21 51 51.77 +01 07 46.1 c A28
2003-06-22 01:13:00 C 21 52 06.44 +01 09 38.6 c A28
2003-06-22 01:14:00 C 21 52 07.25 +01 09 44.9 c A28
2003-06-22 01:17:39 C 21 52 10.45 +01 10 10.5 c 204
2003-06-22 01:19:46 C 21 52 12.19 +01 10 23.9 c 204
2003-06-22 01:23:19 C 21 52 15.12 +01 10 46.5 c 204
2003-06-22 01:25:52 C 21 52 17.20 +01 11 02.8 c 204
2003-06-22 01:27:54 C 21 52 18.88 +01 11 15.7 c 204
2003-06-23 01:10:28 C 22 14 29.99 +03 56 37.5 o 620
2003-06-23 01:11:11 C 22 14 30.71 +03 56 42.9 o 620
2003-06-23 01:11:55 C 22 14 31.48 +03 56 48.6 o 620
2003-06-23 01:12:39 C 22 14 32.24 +03 56 54.3 o 620
2003-06-23 01:13:24 C 22 14 32.95 +03 57 00.0 o 620
2003-06-23 01:14:52 C 22 14 34.45 +03 57 11.3 o 620
2003-06-23 01:15:36 C 22 14 35.22 +03 57 16.9 o 620
2003-06-23 01:16:20 C 22 14 35.95 +03 57 22.5 o 620
2003-06-23 01:17:05 C 22 14 36.69 +03 57 28.4 o 620
2003-06-24 07:59:59 C 22 51 10.82 +08 21 58.2 o H59
2003-06-24 08:50:32 C 22 52 18.23 +08 30 02.9 o H59
2003-06-24 08:51:13 C 22 52 19.23 +08 30 10.2 o H59
2003-06-24 08:51:55 C 22 52 20.05 +08 30 16.6 o H59
2003-06-24 09:07:20 C 22 52 40.71 +08 32 44.8 o H59
2003-06-24 10:27:31 C 22 54 32.06 +08 45 56.7 c 926
2003-06-24 10:27:55 C 22 54 32.65 +08 46 00.9 c 926
2003-06-24 10:28:23 C 22 54 33.26 +08 46 05.4 c 926
2003-06-25 00:08:16 C 23 14 37.92 +11 01 59.8 c 185
2003-06-25 00:11:17 C 23 14 42.47 +11 02 30.7 c 185
2003-06-25 00:14:13 C 23 14 46.97 +11 03 02.1 c 185
2003-06-25 00:22:45 C 23 15 00.08 +11 04 30.2 c 185
2003-06-25 00:25:47 C 23 15 04.72 +11 05 01.5 c 185
2003-06-25 00:27:27 C 23 15 07.27 +11 05 18.9 c 185
2003-06-25 00:30:40 C 23 15 12.21 +11 05 51.9 c 185
2003-06-25 00:32:37 C 23 15 15.20 +11 06 12.3 c 185
2003-06-25 09:57:37 C 23 30 24.42 +12 45 24.5 c 670
2003-06-25 11:11:35 C 23 32 25.85 +12 58 35.7 c 670
2003-06-26 09:38:40 C 00 12 58.23 +16 57 23.3 o 699
2003-06-26 09:49:03 C 00 13 17.94 +16 59 15.3 o 699
2003-06-26 09:59:36 C 00 13 37.83 +17 01 04.4 o 699
2003-06-26 10:09:52 C 00 13 57.31 +17 02 52.9 o 699
2003-06-27 02:10:39 C 00 45 42.28 +19 42 26.0 d A14
2003-06-27 02:17:30 C 00 45 56.06 +19 43 32.5 d A14
2003-06-27 02:24:40 C 00 46 10.54 +19 44 41.5 d A14
2004-05-14 11:05:01 C 14 57 55.45 -08 25 36.7 o 608
2004-05-14 11:35:00 C 14 57 51.63 -08 25 21.7 o 608
2005-04-07 08:25:20 C 14 03 29.59 -03 07 19.0 o 696
2005-04-07 08:32:02 C 14 03 28.83 -03 07 14.9 o 696
2006-02-02 12:16:37 C 15 10 17.92 -08 26 22.2 c 691
2006-02-02 12:34:37 C 15 10 14.44 -08 25 55.3 c 691
2006-02-02 12:52:33 C 15 10 10.97 -08 25 28.7 c 691
2006-02-10 10:23:31 C 14 34 01.10 -03 28 17.8 o 699
Radar Observations (10)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2003-06-27 09:47:00 -11523.1 0.5 Hz 2380 -1 -1
2003-06-27 10:00:00 50135712 4 us 2380 -1 -1
2003-06-27 10:38:00 50148836.9 0.9 us 2380 -1 -1
2003-06-27 12:10:00 50197184 0.75 us 8560 -14 -14
2003-06-27 17:00:00 50385585.5 10 us 8560 -14 -14
2003-06-28 10:37:00 -72460.2 0.5 Hz 2380 -1 -1
2003-06-28 10:50:00 51831090.3 4 us 2380 -1 -1
2003-06-28 11:18:00 51883454.4 0.9 us 2380 -1 -1
2003-06-28 18:10:00 52762199.39 1 us 8560 -14 -14
2003-06-29 12:11:00 55761937 4 us 2380 -1 -1
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)