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
2002-05-10 07:27:55 C 16 10 25.28 -16 14 32.9 c 644
2002-05-10 09:09:29 C 16 10 14.18 -16 13 54.6 c 644
2002-05-10 10:40:46 C 16 10 04.13 -16 13 21.1 c 644
2003-04-01 13:27:50 C 15 54 36.90 -17 48 17.9 o 608
2003-04-01 13:43:26 C 15 54 34.58 -17 48 07.8 o 608
2003-04-24 06:19:34 C 14 29 52.41 -10 53 39.5 o 699
2003-04-24 06:44:43 C 14 29 48.56 -10 53 20.1 o 699
2003-04-24 07:09:50 C 14 29 44.87 -10 53 01.3 o 699
2003-04-24 07:34:51 C 14 29 41.15 -10 52 41.1 o 699
2003-04-24 21:38:19 C 14 27 38.59 -10 41 45.2 c 246
2003-04-24 21:39:44 C 14 27 38.36 -10 41 44.9 c 246
2003-04-24 21:41:26 C 14 27 38.14 -10 41 44.4 c 246
2003-04-24 21:42:40 C 14 27 37.98 -10 41 42.4 c 246
2003-04-24 21:44:04 C 14 27 37.81 -10 41 41.9 c 246
2003-04-24 21:45:00 C 14 27 37.52 -10 41 41.7 c 246
2003-04-24 23:37:48 C 14 27 20.92 -10 40 14.0 d 557
2003-04-24 23:40:14 C 14 27 20.59 -10 40 12.2 d 557
2003-04-24 23:42:40 C 14 27 20.24 -10 40 10.4 d 557
2003-04-24 23:47:32 C 14 27 19.56 -10 40 06.1 d 557
2003-04-24 23:49:58 C 14 27 19.22 -10 40 03.7 d 557
2003-04-25 04:46:36 C 14 26 37.21 -10 36 09.6 c 854
2003-04-25 04:49:11 C 14 26 36.67 -10 36 09.3 c 854
2003-04-25 04:51:49 C 14 26 36.35 -10 36 07.6 c 854
2003-04-25 07:10:57 C 14 26 15.74 -10 34 18.5 c 926
2003-04-25 07:15:08 C 14 26 15.23 -10 34 16.0 c 926
2003-04-25 07:19:11 C 14 26 14.70 -10 34 15.1 c 926
2003-04-25 14:53:19 C 14 25 09.14 -10 28 04.1 c 474
2003-04-25 14:55:59 C 14 25 08.77 -10 28 02.2 c 474
2003-04-25 14:59:00 C 14 25 08.36 -10 28 00.2 c 474
2003-04-26 06:31:44 C 14 22 56.53 -10 16 26.8 c 446
2003-04-26 07:26:01 C 14 22 48.76 -10 15 45.3 c 446
2003-04-26 07:50:32 C 14 22 45.16 -10 15 26.4 c 446
2003-04-26 07:56:28 C 14 22 44.35 -10 15 22.1 c 446
2003-04-26 08:41:52 C 14 22 37.93 -10 14 46.2 c 926
2003-04-26 08:45:30 C 14 22 37.44 -10 14 44.3 c 926
2003-04-26 08:49:11 C 14 22 36.88 -10 14 43.6 c 926
2003-04-27 05:38:02 C 14 19 43.56 -09 59 02.2 c 446
2003-04-27 07:10:06 C 14 19 30.54 -09 57 53.5 c 446
2003-04-27 10:32:50 C 14 19 03.24 -09 55 03.5 c 474
2003-04-27 10:35:30 C 14 19 02.97 -09 55 02.5 c 474
2003-04-27 10:45:59 C 14 19 01.43 -09 54 53.9 c 474
2003-04-27 10:49:40 C 14 19 00.87 -09 54 50.7 c 474
2003-04-28 00:53:37 C 14 17 05.40 -09 44 47.1 d 941
2003-04-28 00:55:16 C 14 17 05.18 -09 44 45.6 d 941
2003-04-28 00:56:56 C 14 17 05.00 -09 44 44.3 d 941
2003-04-28 00:58:35 C 14 17 04.78 -09 44 43.2 d 941
2003-04-28 01:00:14 C 14 17 04.55 -09 44 41.9 d 941
2003-04-28 11:16:40 C 14 15 42.04 -09 36 51.7 c 474
2003-04-28 11:22:39 C 14 15 41.21 -09 36 47.0 c 474
2003-04-28 11:27:10 C 14 15 40.60 -09 36 43.8 c 474
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)