215588 (2003 HF2)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6754868470 ± 1.67e-08
Semi-major axis (a)1.1139099537 AU ± 1.68e-09
Inclination (i)3.05405209° ± 2.86e-06
Long. of Asc. Node (Ω)189.85058128° ± 5.55e-05
Arg. of Perihelion (ω)231.07320503° ± 5.56e-05
Mean Anomaly (M)170.66233050° ± 6.98e-06
Mean Motion (n)0.8383727408°/day ± 1.90e-09
Perihelion dist (q)0.36147843 AU ± 1.86e-08
Aphelion dist (Q)1.86634148 AU ± 1.88e-08
Orbital Period1.17564209 yr ± 2.67e-09
Physical Parameters
H (abs. magnitude)19.42
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.606″
Uncertainty0
Orbit TypeApollo
MOID0.003085 AU
Observations Used391
Radar Obs Used11
Oppositions2
Arc Total2002-2024
First Observation Used2002-05-10
Last Observation Used2024-05-03
Observations (433)
Date Type RA Dec Mag Band Observatory
2003-04-30 08:27:11 C 14 09 47.43 -09 04 57.4 c 926
2003-04-30 08:31:14 C 14 09 46.86 -09 04 56.8 c 926
2003-04-30 22:54:40 C 14 07 58.24 -08 55 00.5 c 176
2003-04-30 23:06:19 C 14 07 56.78 -08 54 53.2 c 176
2003-04-30 23:11:16 C 14 07 56.16 -08 54 50.0 c 176
2003-04-30 23:21:09 C 14 07 54.92 -08 54 43.8 c 176
2003-05-01 07:31:54 C 14 06 53.51 -08 49 05.0 c 926
2003-05-01 07:36:20 C 14 06 52.99 -08 49 01.6 c 926
2003-05-01 07:40:44 C 14 06 52.45 -08 48 59.5 c 926
2003-05-01 10:22:43 C 14 06 32.48 -08 47 08.2 c 608
2003-05-01 10:38:16 C 14 06 30.45 -08 46 57.2 c 608
2003-05-01 10:54:15 C 14 06 28.49 -08 46 47.7 c 608
2003-05-03 22:26:04 C 13 59 24.00 -08 08 03.9 c 246
2003-05-03 22:27:17 C 13 59 23.87 -08 08 03.1 c 246
2003-05-03 22:28:26 C 13 59 23.71 -08 08 02.6 c 246
2003-05-03 22:29:49 C 13 59 23.55 -08 08 01.8 c 246
2003-05-04 00:16:19 C 13 59 11.04 -08 06 53.8 c 561
2003-05-04 00:22:20 C 13 59 10.44 -08 06 51.7 c 561
2003-05-04 00:27:55 C 13 59 09.68 -08 06 46.9 c 561
2003-05-04 23:37:14 C 13 56 33.89 -07 52 31.6 c 561
2003-05-04 23:43:09 C 13 56 33.37 -07 52 29.0 c 561
2003-05-04 23:48:40 C 13 56 32.79 -07 52 23.8 c 561
2003-05-05 20:56:00 C 13 54 15.61 -07 39 50.3 c 246
2003-05-05 20:57:21 C 13 54 15.46 -07 39 49.4 c 246
2003-05-05 21:00:04 C 13 54 15.18 -07 39 47.5 c 246
2003-05-05 21:01:17 C 13 54 15.08 -07 39 47.0 c 246
2003-05-05 21:05:37 C 13 54 14.60 -07 39 44.4 c 246
2003-05-05 21:07:04 C 13 54 14.41 -07 39 43.6 c 246
2003-05-05 21:08:19 C 13 54 14.30 -07 39 43.1 c 246
2003-05-05 21:09:38 C 13 54 14.18 -07 39 42.6 c 246
2003-05-06 21:40:14 C 13 51 39.60 -07 25 37.5 c 246
2003-05-06 21:41:32 C 13 51 39.47 -07 25 34.9 c 246
2003-05-06 21:44:09 C 13 51 39.28 -07 25 35.7 c 246
2003-05-20 05:33:59 C 13 26 34.02 -05 11 09.8 c 673
2003-05-20 05:39:00 C 13 26 33.75 -05 11 08.4 c 673
2003-05-20 05:44:00 C 13 26 33.45 -05 11 06.9 c 673
2003-05-20 05:48:59 C 13 26 33.16 -05 11 05.7 c 673
2003-05-20 05:54:29 C 13 26 32.87 -05 11 04.1 c 673
2003-05-21 05:26:20 C 13 25 16.74 -05 04 37.8 d 291
2003-05-21 05:31:37 C 13 25 16.46 -05 04 36.4 d 291
2003-05-21 05:37:40 C 13 25 16.18 -05 04 35.1 d 291
2003-05-21 05:37:59 C 13 25 16.25 -05 04 36.1 c 673
2003-05-21 05:44:09 C 13 25 15.98 -05 04 33.9 c 673
2003-05-21 05:54:10 C 13 25 15.39 -05 04 31.0 c 673
2003-05-21 05:58:10 C 13 25 15.11 -05 04 29.7 c 673
2003-05-21 06:13:39 C 13 25 14.30 -05 04 26.3 c 673
2004-05-13 04:36:10 C 09 27 16.95 +15 41 29.5 d 291
2004-05-13 04:46:49 C 09 27 19.24 +15 41 19.7 d 291
2004-05-13 04:57:25 C 09 27 21.46 +15 41 09.4 d 291
2004-05-13 05:08:07 C 09 27 23.67 +15 41 00.2 d 291
Radar Observations (11)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2017-03-26 18:21:00 50463378.29 4 us 2380 -1 -1
2017-03-26 18:48:00 50329851.95 0.5 us 2380 -1 -1
2017-03-26 20:31:00 49833276.31 0.5 us 2380 -1 -1
2017-03-27 19:09:00 44641416.23 4 us 2380 -1 -1
2017-03-27 19:22:00 44605098.44 4 us 2380 -1 -1
2017-03-27 20:03:00 44493191.01 0.5 us 2380 -1 -1
2017-03-29 01:30:00 42677991.41 1.5 us 8560 -14 -14
2017-03-29 22:01:00 44939763.06 1 us 2380 -1 -1
2017-03-30 00:50:00 45462442.94 1.5 us 8560 -14 -14
2017-03-30 23:06:00 51047435.85 1 us 2380 -1 -1
2017-04-01 01:19:00 60192103.4 1 us 2380 -1 -1
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)