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
2021-05-01 06:41:10 C 13 43 19.92 -01 46 07.4 V G96
2021-05-01 06:49:13 C 13 43 19.08 -01 46 03.5 V G96
2021-05-05 14:14:35 C 13 33 16.06 -01 01 46.6 q D29
2021-05-05 14:34:57 C 13 33 14.09 -01 01 39.4 q D29
2021-05-05 14:55:20 C 13 33 12.02 -01 01 31.1 q D29
2021-05-08 08:28:32 C 13 27 16.614 -00 37 06.96 U F51
2021-05-08 08:44:20 C 13 27 15.180 -00 37 01.43 U F51
2021-05-08 09:15:57 C 13 27 12.310 -00 36 50.41 U F51
2021-05-10 05:56:47 C 13 23 23.77 -00 22 02.5 V G96
2021-05-10 06:04:16 C 13 23 23.10 -00 22 00.2 V G96
2021-05-10 06:11:46 C 13 23 22.48 -00 21 57.3 V G96
2021-05-10 06:19:15 C 13 23 21.81 -00 21 55.3 V G96
2021-05-18 05:19:26 C 13 09 24.02 +00 24 59.5 V V00
2021-05-18 05:26:29 C 13 09 23.55 +00 25 00.7 V V00
2021-05-18 05:33:32 C 13 09 23.10 +00 25 02.0 V V00
2021-05-18 05:40:34 C 13 09 22.64 +00 25 03.3 V V00
2021-06-12 04:21:52 C 12 50 17.37 +00 19 19.3 V V00
2021-06-12 04:28:56 C 12 50 17.33 +00 19 18.4 V V00
2021-06-12 04:35:58 C 12 50 17.30 +00 19 16.9 V V00
2021-06-12 04:42:59 C 12 50 17.25 +00 19 15.8 V V00
2022-01-15 15:23:21 C 14 43 15.947 -11 33 06.02 U F52
2022-01-15 15:30:39 C 14 43 15.836 -11 33 03.22 U F52
2022-01-15 15:37:54 C 14 43 15.720 -11 33 00.66 U F52
2022-01-15 15:45:10 C 14 43 15.604 -11 32 57.84 U F52
2022-02-25 01:32:40 C 14 03 51.23 -02 42 07.8 X C95
2022-02-25 01:39:44 C 14 03 50.47 -02 42 01.5 X C95
2022-02-25 01:46:49 C 14 03 49.83 -02 41 57.0 X C95
2022-02-25 01:53:52 C 14 03 49.09 -02 41 50.8 X C95
2022-02-25 12:04:00 C 14 02 49.42 -02 33 04.8 V 703
2022-02-25 12:11:33 C 14 02 48.63 -02 32 57.4 V 703
2022-02-25 12:26:38 C 14 02 47.12 -02 32 46.0 V 703
2022-02-26 14:09:36 C 14 00 14.121 -02 10 20.68 U F52
2022-02-26 14:44:54 C 14 00 10.355 -02 09 49.67 U F52
2022-02-26 15:02:33 C 14 00 08.476 -02 09 34.16 U F52
2022-03-01 08:45:44 C 13 53 11.54 -01 10 38.1 V 703
2022-03-01 09:08:19 C 13 53 09.19 -01 10 13.5 V 703
2022-03-03 12:23:20 C 13 47 19.117 -00 22 29.64 U F52
2022-03-03 12:41:05 C 13 47 16.949 -00 22 12.90 U F52
2022-03-03 12:58:52 C 13 47 14.778 -00 21 56.18 U F52
2022-03-03 13:16:47 C 13 47 12.581 -00 21 39.26 U F52
2022-03-04 14:07:54 C 13 44 15.32 +00 01 53.7 V T08
2022-03-04 14:15:48 C 13 44 14.24 +00 02 01.7 V T08
2022-03-04 14:20:29 C 13 44 13.71 +00 02 05.5 V T08
2022-03-04 14:44:39 C 13 44 10.64 +00 02 28.1 V T08
2022-03-05 10:01:38 C 13 41 50.80 +00 20 49.9 V G96
2022-03-05 10:09:48 C 13 41 49.74 +00 20 58.1 V G96
2022-03-05 10:17:59 C 13 41 48.71 +00 21 05.9 V G96
2022-03-05 10:26:11 C 13 41 47.66 +00 21 13.9 V G96
2022-03-10 09:57:28 C 13 26 26.40 +02 17 01.0 V 703
2022-03-10 10:05:06 C 13 26 25.32 +02 17 08.1 V 703
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)