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
2004-05-13 05:18:47 C 09 27 26.06 +15 40 49.9 d 291
2004-05-13 05:29:20 C 09 27 28.24 +15 40 40.5 d 291
2004-05-15 03:38:12 C 09 37 03.13 +14 59 15.7 d 291
2004-05-15 03:50:06 C 09 37 05.58 +14 59 03.6 d 291
2004-05-15 04:00:45 C 09 37 07.56 +14 58 55.8 d 291
2007-06-08 09:30:36 C 19 58 20.36 -12 14 42.8 r 448
2007-06-08 10:03:22 C 19 58 19.56 -12 14 29.5 r 448
2007-06-08 10:40:25 C 19 58 18.66 -12 14 14.9 r 448
2007-07-05 04:14:30 C 18 49 42.90 -04 55 10.6 r 808
2007-07-05 04:23:30 C 18 49 40.42 -04 54 59.4 r 808
2007-07-05 04:43:29 C 18 49 34.62 -04 54 32.2 r 808
2007-07-06 20:32:38 C 18 37 39.52 -03 56 48.1 o 151
2007-07-06 20:34:09 C 18 37 38.99 -03 56 45.9 o 151
2007-07-06 20:35:39 C 18 37 38.46 -03 56 43.5 o 151
2007-07-06 20:37:09 C 18 37 37.98 -03 56 40.7 o 151
2007-07-06 20:38:39 C 18 37 37.38 -03 56 37.1 o 151
2007-07-06 20:40:10 C 18 37 36.94 -03 56 35.6 o 151
2007-07-06 20:41:40 C 18 37 36.51 -03 56 34.0 o 151
2007-07-06 20:56:39 C 18 37 31.51 -03 56 11.9 r A17
2007-07-06 21:08:13 C 18 37 27.78 -03 55 53.0 r A17
2007-07-06 21:26:55 C 18 37 21.53 -03 55 23.5 r A17
2007-07-06 21:54:22 C 18 37 12.31 -03 54 36.3 r A81
2007-07-06 22:02:09 C 18 37 09.69 -03 54 24.0 r A81
2007-07-06 22:10:05 C 18 37 07.05 -03 54 11.5 r A81
2007-07-06 22:15:55 C 18 37 05.12 -03 54 02.9 o 160
2007-07-06 22:17:54 C 18 37 04.43 -03 53 59.5 r A81
2007-07-06 22:18:36 C 18 37 04.23 -03 53 59.0 o 160
2007-07-06 22:21:33 C 18 37 03.25 -03 53 54.1 o 160
2007-07-06 22:24:06 C 18 37 02.40 -03 53 49.9 o 160
2007-07-06 22:26:40 C 18 37 01.54 -03 53 45.9 o 160
2007-07-06 22:29:05 C 18 37 00.73 -03 53 42.1 o 160
2007-07-08 04:20:09 C 18 26 43.46 -03 03 42.1 r H51
2007-07-08 04:27:17 C 18 26 40.71 -03 03 30.6 r H51
2007-07-08 04:29:40 C 18 26 39.82 -03 03 26.3 r H51
2007-07-08 04:34:24 C 18 26 38.07 -03 03 18.2 r H51
2007-07-08 04:36:46 C 18 26 37.14 -03 03 14.0 r H51
2007-07-08 04:39:10 C 18 26 36.25 -03 03 09.7 r H51
2007-07-08 21:49:01 C 18 20 07.19 -02 31 53.4 r B38
2007-07-08 21:58:15 C 18 20 03.47 -02 31 35.9 r B38
2007-07-12 05:43:18 C 17 43 38.07 +00 21 43.3 r H45
2007-07-12 05:44:25 C 17 43 37.49 +00 21 45.8 r H45
2007-07-12 05:45:46 C 17 43 36.77 +00 21 49.2 r H45
2007-07-12 05:47:12 C 17 43 35.97 +00 21 52.8 r H45
2007-07-12 05:47:19 C 17 43 37.37 +00 21 53.8 c 670
2007-07-12 05:48:09 C 17 43 35.47 +00 21 55.1 r H45
2007-07-12 06:33:10 C 17 43 12.48 +00 23 47.9 c 670
2007-07-12 07:14:51 C 17 42 49.77 +00 25 31.6 c 670
2007-07-12 20:18:58 C 17 35 44.80 +00 58 38.0 o 151
2007-07-12 20:20:09 C 17 35 44.13 +00 58 41.2 o 151
2007-07-12 20:20:55 C 17 35 43.65 +00 58 44.4 17.2 o 130
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)