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
2022-04-05 06:36:41 C 12 06 07.664 +10 04 13.44 V I52
2022-04-05 06:44:25 C 12 06 06.851 +10 04 16.68 V I52
2022-04-05 07:18:01 C 12 06 03.323 +10 04 29.93 V 703
2022-04-05 07:25:36 C 12 06 02.480 +10 04 33.60 V 703
2022-04-05 07:33:11 C 12 06 01.670 +10 04 36.23 V 703
2022-04-05 07:40:45 C 12 06 00.961 +10 04 40.15 V 703
2022-04-07 07:04:02 C 12 01 22.394 +10 22 54.47 U F52
2022-04-07 07:20:44 C 12 01 20.750 +10 23 00.56 U F52
2022-04-07 08:31:15 C 12 01 13.787 +10 23 25.85 U F52
2022-04-08 05:33:26 C 11 59 16.18 +10 30 33.9 V V22
2022-04-08 05:40:04 C 11 59 15.53 +10 30 36.6 V V22
2022-04-08 05:46:28 C 11 59 14.94 +10 30 38.3 V V22
2022-04-09 04:33:18 C 11 57 12.409 +10 37 52.00 V G96
2022-04-09 04:41:22 C 11 57 11.675 +10 37 54.55 V G96
2022-04-09 04:49:27 C 11 57 10.933 +10 37 56.96 V G96
2022-04-09 04:57:32 C 11 57 10.199 +10 37 59.34 V G96
2022-04-20 06:01:43 C 11 38 51.695 +11 23 11.48 U F52
2022-04-20 06:03:32 C 11 38 51.591 +11 23 11.60 U F52
2022-04-20 06:18:13 C 11 38 50.802 +11 23 12.42 U F52
2022-04-20 06:20:02 C 11 38 50.702 +11 23 12.63 U F52
2022-04-20 06:34:40 C 11 38 49.931 +11 23 13.45 U F52
2022-04-20 06:36:29 C 11 38 49.813 +11 23 13.41 U F52
2022-04-20 06:51:07 C 11 38 49.031 +11 23 14.31 U F52
2022-04-20 06:52:57 C 11 38 48.931 +11 23 14.48 U F52
2022-04-29 06:03:30 C 11 30 44.910 +11 18 11.59 V G96
2022-04-29 06:10:59 C 11 30 44.716 +11 18 10.84 V G96
2022-04-29 06:18:29 C 11 30 44.492 +11 18 09.40 V G96
2022-04-29 06:25:59 C 11 30 44.262 +11 18 09.43 V G96
2023-04-12 04:09:29 C 08 02 47.573 +26 19 51.74 V G96
2023-04-12 04:17:37 C 08 02 48.912 +26 19 47.10 V G96
2023-04-12 04:25:44 C 08 02 50.230 +26 19 42.13 V G96
2023-04-12 04:33:51 C 08 02 51.576 +26 19 37.38 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)