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
2014-03-09 00:49:26 C 12 57 36.41 +06 44 31.8 q Z81
2014-03-09 01:22:27 C 12 57 30.76 +06 45 08.0 q Z81
2014-03-09 11:40:35 C 12 55 47.798 +06 56 31.46 L F51
2014-03-09 12:00:22 C 12 55 44.391 +06 56 52.96 L F51
2014-03-09 13:46:04 C 12 55 26.116 +06 58 47.96 L F51
2014-03-12 09:46:44 C 12 44 12.23 +08 10 07.0 q 703
2014-03-12 09:59:09 C 12 44 10.21 +08 10 18.9 q 703
2014-03-12 10:11:33 C 12 44 08.08 +08 10 32.0 q 703
2014-03-12 10:23:58 C 12 44 05.99 +08 10 44.3 q 703
2014-03-12 11:23:08 C 12 43 56.01 +08 11 42.8 q G96
2014-03-12 11:30:28 C 12 43 54.78 +08 11 50.1 q G96
2014-03-12 11:37:49 C 12 43 53.55 +08 11 57.6 q G96
2014-03-12 11:45:10 C 12 43 52.30 +08 12 04.9 q G96
2014-03-23 09:33:40 C 12 04 25.71 +11 45 10.4 q 703
2014-03-23 09:46:15 C 12 04 23.94 +11 45 17.5 q 703
2014-03-23 09:58:46 C 12 04 22.27 +11 45 25.9 q 703
2014-03-23 10:11:19 C 12 04 20.53 +11 45 33.1 q 703
2014-03-29 05:22:00 C 11 47 23.14 +12 55 31.9 R G45
2014-03-29 05:22:06 C 11 47 23.12 +12 55 31.9 R G45
2014-03-29 05:38:24 C 11 47 21.29 +12 55 39.0 R G45
2014-03-29 05:38:30 C 11 47 21.26 +12 55 38.5 R G45
2014-03-29 05:54:55 C 11 47 19.39 +12 55 45.2 R G45
2014-03-29 06:11:13 C 11 47 17.58 +12 55 52.1 R G45
2014-03-29 06:11:18 C 11 47 17.50 +12 55 51.9 R G45
2014-03-30 05:29:02 C 11 44 46.87 +13 04 46.6 R G45
2014-03-30 05:45:26 C 11 44 45.05 +13 04 52.5 R G45
2014-03-30 06:03:49 C 11 44 43.01 +13 04 59.3 R G45
2014-03-30 06:20:13 C 11 44 41.21 +13 05 05.7 R G45
2014-03-31 05:34:31 C 11 42 16.92 +13 13 12.9 q 703
2014-03-31 05:41:42 C 11 42 16.18 +13 13 14.0 q 703
2014-03-31 05:48:54 C 11 42 15.37 +13 13 17.2 q 703
2014-03-31 05:56:05 C 11 42 14.65 +13 13 19.7 q 703
2014-03-31 13:06:41 C 11 41 31.56 +13 15 40.4 q D29
2014-03-31 13:32:26 C 11 41 28.89 +13 15 48.5 q D29
2014-03-31 13:58:13 C 11 41 26.17 +13 15 57.3 q D29
2014-04-24 09:41:43 C 11 09 58.538 +13 39 43.48 L F51
2014-04-24 09:59:25 C 11 09 58.177 +13 39 40.57 L F51
2014-04-29 05:05:47 C 11 08 38.85 +13 18 35.6 q G96
2014-04-29 05:23:09 C 11 08 38.71 +13 18 31.5 q G96
2014-04-29 05:33:45 C 11 08 38.59 +13 18 29.8 q G96
2014-04-29 05:44:19 C 11 08 38.50 +13 18 27.6 q G96
2015-04-19 04:05:07 C 07 55 45.86 +25 40 47.2 q G96
2015-04-19 04:12:26 C 07 55 47.09 +25 40 43.6 q G96
2015-04-19 04:19:46 C 07 55 48.34 +25 40 40.2 q G96
2015-04-19 04:27:06 C 07 55 49.65 +25 40 36.2 q G96
2020-04-26 04:01:24 C 16 32 06.15 -14 25 04.3 c J04
2020-04-26 04:18:14 C 16 32 05.04 -14 24 58.9 c J04
2020-04-26 04:35:04 C 16 32 03.89 -14 24 54.2 c J04
2020-04-26 04:51:54 C 16 32 02.77 -14 24 48.9 c J04
2020-04-27 09:45:30 C 16 30 08.90 -14 16 13.9 V G96
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)