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
2020-04-27 09:52:51 C 16 30 08.33 -14 16 12.2 V G96
2020-04-27 10:00:13 C 16 30 07.84 -14 16 09.3 V G96
2020-04-27 10:07:36 C 16 30 07.33 -14 16 07.2 V G96
2020-05-01 13:56:26 C 16 22 37.155 -13 44 07.72 U F51
2020-05-01 14:15:33 C 16 22 35.512 -13 44 01.15 U F51
2020-05-03 09:21:29 C 16 18 54.92 -13 29 11.9 V G96
2020-05-03 09:29:02 C 16 18 54.25 -13 29 08.8 V G96
2020-05-03 09:36:35 C 16 18 53.56 -13 29 06.2 V G96
2020-05-12 09:21:00 C 15 56 36.001 -12 05 02.13 U F52
2020-05-12 09:37:06 C 15 56 34.036 -12 04 55.37 U F52
2020-05-12 09:53:13 C 15 56 32.079 -12 04 48.53 U F52
2020-05-13 10:01:19 C 15 53 39.33 -11 54 31.0 V G96
2020-05-13 10:09:00 C 15 53 38.37 -11 54 27.5 V G96
2020-05-13 10:16:39 C 15 53 37.43 -11 54 24.1 V G96
2020-05-13 10:24:20 C 15 53 36.48 -11 54 20.9 V G96
2020-05-16 07:49:46 C 15 45 01.965 -11 23 43.76 U F51
2020-05-16 08:06:38 C 15 44 59.759 -11 23 36.28 U F51
2020-05-16 08:11:15 C 15 44 59.157 -11 23 34.36 U F51
2020-05-16 08:23:24 C 15 44 57.561 -11 23 28.94 U F51
2020-05-16 08:28:01 C 15 44 56.955 -11 23 26.95 U F51
2020-05-16 08:40:13 C 15 44 55.351 -11 23 21.52 U F51
2020-05-16 08:44:50 C 15 44 54.747 -11 23 19.50 U F51
2020-05-18 09:20:13 C 15 38 36.43 -11 01 20.1 V 703
2020-05-18 09:49:27 C 15 38 32.52 -11 01 05.7 V 703
2020-05-18 16:11:46 C 15 37 42.70 -10 58 12.1 q D29
2020-05-18 16:32:07 C 15 37 39.89 -10 58 02.9 q D29
2020-05-18 16:52:29 C 15 37 37.13 -10 57 53.6 q D29
2020-05-19 10:19:48 C 15 35 18.44 -10 49 48.8 V T08
2020-05-19 10:25:08 C 15 35 17.71 -10 49 46.8 V T08
2020-05-19 10:35:07 C 15 35 16.36 -10 49 42.1 V T08
2020-05-19 11:26:14 C 15 35 09.29 -10 49 18.0 V T08
2020-05-19 15:14:09 C 15 34 39.39 -10 47 36.0 q D29
2020-05-19 15:34:31 C 15 34 36.58 -10 47 27.1 q D29
2020-05-20 10:00:45 C 15 32 08.217 -10 38 52.53 U F52
2020-05-20 10:16:46 C 15 32 05.983 -10 38 45.07 U F52
2020-05-21 10:23:02 C 15 28 50.09 -10 27 34.9 V T05
2020-05-21 10:29:02 C 15 28 49.43 -10 27 32.0 V T05
2020-05-21 11:19:30 C 15 28 42.33 -10 27 06.9 V T05
2020-05-21 11:28:23 C 15 28 41.14 -10 27 02.3 V T05
2020-05-22 08:15:35 C 15 25 51.05 -10 17 25.3 V 703
2020-05-22 08:22:53 C 15 25 49.95 -10 17 21.6 V 703
2020-05-22 08:30:11 C 15 25 49.00 -10 17 18.6 V 703
2020-05-23 09:50:38 C 15 22 20.54 -10 05 27.3 V T08
2020-05-23 09:56:03 C 15 22 19.76 -10 05 24.7 V T08
2020-05-23 10:04:42 C 15 22 18.56 -10 05 20.5 V T08
2020-05-23 10:53:51 C 15 22 11.57 -10 04 57.9 V T08
2020-05-24 09:23:34 C 15 19 05.724 -09 54 30.39 U F52
2020-05-24 09:39:49 C 15 19 03.402 -09 54 22.87 U F52
2020-05-24 09:56:05 C 15 19 01.079 -09 54 15.37 U F52
2020-05-24 10:12:15 C 15 18 58.771 -09 54 07.82 U F52
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)