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
2007-03-21 03:02:38 C 04 19 31.47 +24 32 57.5 r G96
2007-03-21 03:09:55 C 04 19 33.88 +24 33 04.5 r G96
2007-03-21 03:17:19 C 04 19 36.33 +24 33 12.3 r G96
2011-06-03 10:14:59 C 20 59 34.33 -10 34 36.8 r 703
2011-06-03 10:22:17 C 20 59 35.91 -10 34 28.9 r 703
2011-06-03 10:29:39 C 20 59 37.57 -10 34 20.9 r 703
2011-06-03 10:37:00 C 20 59 39.15 -10 34 12.9 r 703
2011-06-08 09:25:12 C 21 31 14.84 -07 56 15.7 r 703
2011-06-08 09:36:00 C 21 31 18.15 -07 55 58.2 r 703
2011-06-08 09:57:51 C 21 31 24.81 -07 55 23.7 r 703
2012-04-29 09:28:06 C 15 59 04.98 -12 29 55.5 o 691
2012-04-29 09:53:41 C 15 59 02.58 -12 29 45.3 o 691
2012-04-29 10:19:18 C 15 59 00.14 -12 29 35.4 o 691
2012-05-02 08:38:34 C 15 52 19.77 -12 01 19.1 o 691
2012-05-02 09:05:12 C 15 52 17.02 -12 01 08.2 o 691
2012-05-12 08:23:03 C 15 25 33.96 -10 14 29.6 r G96
2012-05-12 08:33:58 C 15 25 32.59 -10 14 24.5 r G96
2012-05-12 08:44:43 C 15 25 31.26 -10 14 19.2 r G96
2012-05-12 08:55:33 C 15 25 29.89 -10 14 14.2 r G96
2012-05-21 08:20:18 C 14 58 22.51 -08 33 11.3 r 703
2012-05-21 08:29:56 C 14 58 21.21 -08 33 06.9 r 703
2012-05-21 08:38:15 C 14 58 20.821 -08 33 00.53 L F51
2012-05-21 08:49:22 C 14 58 18.69 -08 32 58.2 r 703
2012-05-21 08:59:08 C 14 58 18.074 -08 32 51.03 L F51
2012-05-21 09:40:58 C 14 58 12.571 -08 32 31.90 L F51
2013-03-17 10:21:00 C 14 59 36.38 -09 15 14.8 u G96
2013-03-17 10:31:03 C 14 59 35.88 -09 15 10.3 u G96
2013-03-17 10:41:08 C 14 59 35.34 -09 15 06.8 u G96
2013-03-17 10:51:18 C 14 59 34.83 -09 15 02.4 u G96
2013-04-10 10:12:00 C 14 13 58.282 -04 11 02.93 L F51
2013-04-10 10:31:36 C 14 13 56.135 -04 10 51.06 L F51
2013-04-10 10:51:22 C 14 13 54.003 -04 10 39.11 L F51
2013-04-10 11:11:02 C 14 13 51.879 -04 10 27.15 L F51
2013-04-22 09:05:38 C 13 43 13.141 -01 23 56.16 L F51
2013-04-22 09:22:43 C 13 43 11.282 -01 23 47.06 L F51
2013-04-22 10:46:05 C 13 43 02.158 -01 23 02.20 L F51
2013-04-22 11:01:58 C 13 43 00.429 -01 22 53.85 L F51
2014-01-26 12:41:55 C 14 58 55.83 -10 36 51.0 q 703
2014-01-26 12:47:43 C 14 58 55.29 -10 36 44.1 q 703
2014-01-26 12:53:30 C 14 58 54.88 -10 36 40.5 q 703
2014-03-07 09:29:48 C 13 04 09.20 +06 00 31.6 q 703
2014-03-07 09:37:01 C 13 04 07.97 +06 00 39.5 q 703
2014-03-07 09:44:14 C 13 04 06.77 +06 00 47.8 q 703
2014-03-07 09:51:27 C 13 04 05.47 +06 00 55.4 q 703
2014-03-07 09:58:39 C 13 04 04.23 +06 01 02.7 q 703
2014-03-08 02:24:36 C 13 01 19.77 +06 19 33.9 t 130
2014-03-08 02:26:45 C 13 01 19.36 +06 19 35.2 t 130
2014-03-08 02:28:54 C 13 01 18.98 +06 19 37.7 t 130
2014-03-08 02:31:47 C 13 01 18.50 +06 19 41.3 t 130
2014-03-09 00:16:30 C 12 57 42.09 +06 43 55.5 q Z81
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)