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
2007-07-18 23:41:14 C 15 51 52.07 +08 27 37.6 o 204
2007-07-18 23:43:25 C 15 51 50.22 +08 27 44.5 o 204
2007-07-18 23:45:36 C 15 51 48.38 +08 27 51.6 o 204
2007-07-18 23:47:48 C 15 51 46.55 +08 27 58.4 o 204
2007-07-18 23:49:59 C 15 51 44.71 +08 28 05.4 o 204
2007-07-19 05:20:05 C 15 47 09.00 +08 45 54.4 r H45
2007-07-19 05:21:30 C 15 47 07.81 +08 45 59.1 r H45
2007-07-19 05:24:21 C 15 47 05.40 +08 46 08.2 r H45
2007-07-19 05:26:11 C 15 47 03.84 +08 46 13.7 r H45
2007-07-19 05:29:17 C 15 47 01.18 +08 46 24.2 r H45
2009-05-14 08:49:37 C 15 23 18.33 -13 47 08.1 o 691
2009-05-14 09:15:06 C 15 23 15.41 -13 46 56.8 o 691
2009-05-14 09:40:52 C 15 23 12.41 -13 46 44.7 o 691
2009-05-30 05:47:35 C 14 45 13.57 -11 08 51.0 r G96
2009-05-30 05:57:41 C 14 45 12.67 -11 08 47.9 r G96
2009-05-30 06:10:49 C 14 45 11.59 -11 08 43.1 r G96
2010-03-14 15:38:18 S 17 30 07.282 -23 34 18.19 L C51
2010-03-14 17:13:28 S 17 29 37.711 -23 33 22.39 L C51
2010-04-08 08:38:18 C 14 23 53.38 -11 16 51.0 17.9 c 704
2010-04-08 08:54:56 C 14 23 49.00 -11 16 26.5 18.1 c 704
2010-04-08 09:11:43 C 14 23 44.63 -11 16 02.3 18.0 c 704
2010-04-08 09:28:22 C 14 23 40.28 -11 15 37.8 17.9 c 704
2010-04-08 09:46:41 C 14 23 35.49 -11 15 11.2 18.2 c 704
2010-04-14 07:30:47 C 13 51 24.34 -08 04 40.7 18.0 c 704
2010-04-14 07:48:03 C 13 51 20.78 -08 04 19.7 18.3 c 704
2010-04-14 08:05:03 C 13 51 17.25 -08 03 58.8 18.0 c 704
2010-04-14 08:22:03 C 13 51 13.78 -08 03 38.3 18.4 c 704
2010-04-14 08:39:02 C 13 51 10.24 -08 03 17.9 18.2 c 704
2010-04-15 04:35:55 C 13 47 16.75 -07 39 27.2 o 691
2010-04-15 05:01:21 C 13 47 11.75 -07 38 57.6 o 691
2010-04-15 05:26:47 C 13 47 06.61 -07 38 27.5 o 691
2010-04-15 07:06:00 C 13 46 47.00 -07 36 33.0 17.9 c 704
2010-04-15 07:22:11 C 13 46 43.81 -07 36 13.5 18.1 c 704
2010-04-15 07:38:24 C 13 46 40.61 -07 35 54.3 18.1 c 704
2010-04-15 07:54:37 C 13 46 37.39 -07 35 35.7 18.2 c 704
2010-04-15 08:10:55 C 13 46 34.16 -07 35 16.8 18.4 c 704
2010-04-17 21:53:35 C 13 35 27.93 -06 27 09.7 u A13
2010-04-17 22:20:17 C 13 35 23.29 -06 26 41.9 u A13
2010-04-18 05:56:35 C 13 34 06.82 -06 18 46.5 18.0 c 704
2010-04-18 06:12:47 C 13 34 04.08 -06 18 29.9 18.3 c 704
2010-04-18 06:28:53 C 13 34 01.28 -06 18 12.8 18.5 c 704
2010-04-18 06:44:58 C 13 33 58.52 -06 17 56.7 18.4 c 704
2010-04-18 07:01:02 C 13 33 55.75 -06 17 40.1 18.0 c 704
2010-04-22 03:29:52 C 13 20 00.44 -04 51 35.1 19.1 c 704
2010-04-22 03:45:12 C 13 19 58.21 -04 51 21.1 19.2 c 704
2010-04-22 04:00:33 C 13 19 56.15 -04 51 07.8 18.7 c 704
2010-04-22 04:16:01 C 13 19 53.96 -04 50 54.7 19.1 c 704
2014-07-02 07:54:40 C 17 06 13.586 -12 34 12.29 L F51
2014-07-02 08:12:51 C 17 06 09.797 -12 34 05.42 L F51
2014-07-02 08:31:00 C 17 06 06.005 -12 33 58.47 L F51
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)