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
2020-05-25 07:21:28 C 15 16 03.06 -09 44 22.5 V G96
2020-05-25 07:28:49 C 15 16 02.04 -09 44 18.8 V G96
2020-05-25 07:36:09 C 15 16 00.98 -09 44 15.3 V G96
2020-05-25 07:43:33 C 15 15 59.92 -09 44 11.8 V G96
2020-05-26 12:23:26 C 15 12 02.717 -09 30 42.88 V P07
2020-05-26 12:28:44 C 15 12 01.961 -09 30 40.79 V P07
2020-05-26 13:46:36 C 15 11 50.882 -09 30 05.69 V P07
2020-05-26 14:52:40 C 15 11 41.414 -09 29 35.30 V P07
2020-05-26 17:21:52 C 15 11 20.040 -09 28 27.23 V P07
2020-06-07 07:02:05 C 14 34 30.54 -07 33 27.4 V G96
2020-06-07 07:10:01 C 14 34 29.54 -07 33 24.4 V G96
2020-06-07 07:17:57 C 14 34 28.54 -07 33 21.6 V G96
2020-06-07 07:25:53 C 14 34 27.54 -07 33 18.8 V G96
2020-06-08 13:11:42 C 14 30 52.52 -07 23 02.1 q D29
2020-06-08 13:32:04 C 14 30 50.07 -07 22 55.9 q D29
2020-06-10 07:15:10 C 14 25 57.574 -07 09 20.92 U F51
2020-06-10 07:52:34 C 14 25 53.107 -07 09 09.23 U F51
2020-06-10 08:11:14 C 14 25 50.880 -07 09 03.40 U F51
2020-06-13 06:48:45 C 14 18 04.157 -06 48 38.64 U F52
2020-06-13 07:06:47 C 14 18 02.167 -06 48 33.98 U F52
2020-06-13 07:24:48 C 14 18 00.175 -06 48 29.21 U F52
2020-06-14 21:12:54 C 14 14 05.21 -06 38 38.6 o K95
2020-06-14 21:16:12 C 14 14 04.81 -06 38 38.2 o K95
2020-06-14 21:32:53 C 14 14 03.09 -06 38 32.9 o K95
2020-06-17 06:27:23 C 14 08 31.857 -06 26 12.40 U F52
2020-06-17 07:01:37 C 14 08 28.499 -06 26 05.51 U F52
2020-06-17 07:18:43 C 14 08 26.824 -06 26 02.01 U F52
2021-04-04 10:11:36 C 14 48 54.28 -07 38 13.3 V G96
2021-04-04 10:19:02 C 14 48 53.69 -07 38 09.2 V G96
2021-04-04 10:26:28 C 14 48 52.97 -07 38 05.2 V G96
2021-04-04 10:33:55 C 14 48 52.34 -07 38 01.3 V G96
2021-04-06 12:50:09 C 14 44 31.181 -07 11 13.04 U F52
2021-04-06 13:08:42 C 14 44 29.471 -07 11 02.97 U F52
2021-04-06 13:27:13 C 14 44 27.768 -07 10 52.97 U F52
2021-04-06 13:45:45 C 14 44 26.049 -07 10 42.81 U F52
2021-04-14 10:35:44 C 14 26 08.496 -05 24 20.07 U F52
2021-04-14 10:55:15 C 14 26 06.405 -05 24 08.99 U F52
2021-04-14 11:14:38 C 14 26 04.325 -05 23 57.68 U F52
2021-04-14 11:34:23 C 14 26 02.223 -05 23 46.29 U F52
2021-04-15 11:11:35 C 14 23 34.933 -05 10 07.85 U F51
2021-04-15 11:30:41 C 14 23 32.868 -05 09 56.79 U F51
2021-04-15 11:49:50 C 14 23 30.801 -05 09 45.68 U F51
2021-04-15 12:08:56 C 14 23 28.730 -05 09 34.64 U F51
2021-04-17 09:06:50 C 14 18 44.708 -04 43 37.13 U F52
2021-04-17 09:36:37 C 14 18 41.456 -04 43 20.14 U F52
2021-04-17 09:51:25 C 14 18 39.826 -04 43 11.50 U F52
2021-04-20 23:08:46 C 14 09 30.35 -03 54 21.9 V 221
2021-04-20 23:25:59 C 14 09 28.46 -03 54 12.1 V 221
2021-05-01 06:25:06 C 13 43 21.58 -01 46 14.7 V G96
2021-05-01 06:33:08 C 13 43 20.74 -01 46 10.7 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)