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
2022-03-10 10:12:45 C 13 26 24.27 +02 17 15.8 V 703
2022-03-10 10:20:23 C 13 26 23.23 +02 17 23.4 V 703
2022-03-10 12:39:59 C 13 26 04.70 +02 19 43.3 V T05
2022-03-10 12:47:59 C 13 26 03.81 +02 19 49.6 V T05
2022-03-10 12:52:09 C 13 26 03.06 +02 19 54.1 V T05
2022-03-10 13:39:44 C 13 25 56.45 +02 20 40.3 V T05
2022-03-13 06:54:02 C 13 17 04.666 +03 23 54.10 V W68
2022-03-13 06:58:23 C 13 17 04.068 +03 23 58.34 V W68
2022-03-13 07:05:44 C 13 17 03.017 +03 24 05.65 V W68
2022-03-13 07:23:58 C 13 17 00.415 +03 24 22.36 V W68
2022-03-13 07:46:32 C 13 16 57.81 +03 24 24.6 V 703
2022-03-13 07:54:07 C 13 16 56.80 +03 24 31.9 V 703
2022-03-13 08:01:43 C 13 16 55.78 +03 24 38.8 V 703
2022-03-13 08:09:18 C 13 16 54.67 +03 24 46.2 V 703
2022-03-14 08:52:15 C 13 13 29.59 +03 48 18.1 V 703
2022-03-14 09:15:24 C 13 13 26.29 +03 48 39.6 V 703
2022-03-16 05:49:53 C 13 07 14.73 +04 30 21.2 V G96
2022-03-16 05:55:14 C 13 07 13.97 +04 30 26.2 V G96
2022-03-16 06:00:35 C 13 07 13.21 +04 30 31.0 V G96
2022-03-16 06:05:58 C 13 07 12.44 +04 30 36.3 V G96
2022-03-23 07:43:53 C 12 43 40.97 +06 56 36.3 V G96
2022-03-23 07:51:18 C 12 43 39.93 +06 56 42.0 V G96
2022-03-23 07:58:42 C 12 43 38.90 +06 56 47.8 V G96
2022-03-23 08:06:08 C 12 43 37.86 +06 56 53.6 V G96
2022-03-24 08:58:47 C 12 40 16.49 +07 16 03.8 V 703
2022-03-24 09:06:25 C 12 40 15.46 +07 16 10.4 V 703
2022-03-24 09:14:03 C 12 40 14.36 +07 16 16.4 V 703
2022-03-24 09:21:41 C 12 40 13.34 +07 16 22.2 V 703
2022-03-25 05:43:13 C 12 37 30.974 +07 31 52.10 V W68
2022-03-25 05:47:45 C 12 37 30.334 +07 31 56.10 V W68
2022-03-25 05:55:35 C 12 37 29.258 +07 32 01.21 V W68
2022-03-25 06:26:01 C 12 37 25.106 +07 32 23.96 V W68
2022-03-25 22:52:25 C 12 35 15.74 +07 43 56.6 V 130
2022-03-25 22:58:09 C 12 35 14.98 +07 44 00.8 V 130
2022-03-27 08:25:15 C 12 30 54.57 +08 07 21.8 V 703
2022-03-27 08:33:27 C 12 30 53.54 +08 07 27.2 V 703
2022-03-27 08:49:50 C 12 30 51.34 +08 07 38.6 V 703
2022-03-31 11:31:38 C 12 18 44.307 +09 08 32.55 U F52
2022-03-31 12:03:21 C 12 18 40.458 +09 08 50.08 U F52
2022-03-31 12:19:06 C 12 18 38.549 +09 08 58.69 U F52
2022-04-02 07:15:24 C 12 13 44.472 +09 31 35.98 V 703
2022-04-02 07:23:00 C 12 13 43.644 +09 31 39.83 V 703
2022-04-02 07:30:36 C 12 13 42.787 +09 31 42.60 V 703
2022-04-02 07:38:12 C 12 13 41.880 +09 31 46.96 V 703
2022-04-02 07:52:15 C 12 13 40.253 +09 31 54.34 V G96
2022-04-02 07:59:42 C 12 13 39.371 +09 31 58.19 V G96
2022-04-02 08:07:09 C 12 13 38.546 +09 32 01.93 V G96
2022-04-02 08:14:38 C 12 13 37.672 +09 32 05.42 V G96
2022-04-05 06:21:13 C 12 06 09.295 +10 04 07.07 V I52
2022-04-05 06:28:57 C 12 06 08.485 +10 04 10.27 V I52
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)