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
2003-05-30 09:32:02 C 19 41 48.98 -14 03 22.6 19.4 c 704
2003-05-30 09:47:24 C 19 41 50.08 -14 03 15.6 19.5 c 704
2003-05-30 10:02:45 C 19 41 51.24 -14 03 11.1 19.5 c 704
2003-06-04 08:52:48 C 19 52 33.07 -12 59 34.7 17.9 c 704
2003-06-04 09:07:19 C 19 52 34.45 -12 59 27.4 18.2 c 704
2003-06-04 09:21:52 C 19 52 35.81 -12 59 17.3 18.2 c 704
2003-06-04 09:36:24 C 19 52 37.17 -12 59 09.1 18.0 c 704
2003-06-04 09:50:55 C 19 52 38.47 -12 58 59.5 18.1 c 704
2003-06-16 23:56:52 C 20 46 50.57 -06 53 49.0 o 620
2003-06-17 00:04:28 C 20 46 53.13 -06 53 30.1 o 620
2003-06-17 00:29:32 C 20 47 01.29 -06 52 29.5 o 620
2003-06-17 00:37:04 C 20 47 03.76 -06 52 11.8 o 620
2003-06-17 07:45:20 C 20 49 34.05 -06 34 11.4 c 673
2003-06-17 08:00:19 C 20 49 39.12 -06 33 34.2 c 673
2003-06-17 08:13:19 C 20 49 43.73 -06 32 59.8 c 673
2003-06-17 08:32:00 C 20 49 50.01 -06 32 13.0 c 673
2003-06-17 08:49:50 C 20 49 56.16 -06 31 27.1 c 673
2003-06-17 09:11:59 C 20 50 03.82 -06 30 29.3 c 673
2003-06-18 00:17:38 C 20 55 46.80 -05 49 16.2 o 620
2003-06-18 00:23:19 C 20 55 48.96 -05 48 59.5 o 620
2003-06-18 00:29:01 C 20 55 51.17 -05 48 43.7 o 620
2003-06-18 22:35:45 C 21 05 21.60 -04 39 22.5 c 587
2003-06-18 22:37:20 C 21 05 22.33 -04 39 17.1 c 587
2003-06-18 22:38:57 C 21 05 23.05 -04 39 12.0 c 587
2003-06-18 22:40:31 C 21 05 23.76 -04 39 06.8 c 587
2003-06-18 22:42:08 C 21 05 24.51 -04 39 01.3 c 587
2003-06-18 23:13:02 C 21 05 39.20 -04 37 09.1 o 620
2003-06-18 23:19:19 C 21 05 42.04 -04 36 47.7 o 620
2003-06-18 23:25:34 C 21 05 44.89 -04 36 26.3 o 620
2003-06-21 01:41:42 C 21 34 13.43 -01 04 23.6 d A14
2003-06-21 01:48:12 C 21 34 17.77 -01 03 49.9 d A14
2003-06-21 01:54:43 C 21 34 22.10 -01 03 16.5 d A14
2003-06-21 01:57:05 C 21 34 24.29 -01 02 58.4 d 941
2003-06-21 01:57:25 C 21 34 24.51 -01 02 56.7 d 941
2003-06-21 01:57:46 C 21 34 24.74 -01 02 55.0 d 941
2003-06-21 01:58:07 C 21 34 24.97 -01 02 53.2 d 941
2003-06-21 01:58:28 C 21 34 25.20 -01 02 51.4 d 941
2003-06-21 01:58:48 C 21 34 25.43 -01 02 49.6 d 941
2003-06-21 02:01:14 C 21 34 26.46 -01 02 42.8 d A14
2003-06-21 02:07:44 C 21 34 30.79 -01 02 09.4 d A14
2003-06-21 02:14:15 C 21 34 35.10 -01 01 34.3 d A14
2003-06-21 02:20:45 C 21 34 39.48 -01 01 02.1 d A14
2003-06-22 00:03:53 C 21 51 11.22 +01 02 37.4 d 941
2003-06-22 00:04:14 C 21 51 11.50 +01 02 39.4 d 941
2003-06-22 00:04:33 C 21 51 11.78 +01 02 41.5 d 941
2003-06-22 00:04:54 C 21 51 12.05 +01 02 43.6 d 941
2003-06-22 00:05:14 C 21 51 12.33 +01 02 45.6 d 941
2003-06-22 00:41:25 C 21 51 40.61 +01 06 20.9 c A28
2003-06-22 00:43:05 C 21 51 41.95 +01 06 31.4 c A28
2003-06-22 00:53:46 C 21 51 50.70 +01 07 37.5 c A28
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)