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
2014-07-02 08:49:08 C 17 06 02.229 -12 33 51.57 L F51
2014-07-26 06:26:42 C 15 15 55.742 -08 40 34.08 L F51
2014-07-26 07:01:11 C 15 15 50.046 -08 40 21.52 L F51
2014-07-26 07:18:22 C 15 15 47.199 -08 40 15.23 L F51
2014-08-01 10:38:31 S 14 53 45.06 -07 50 24.9 L C51
2014-08-01 13:47:56 S 14 53 18.50 -07 49 24.4 L C51
2014-08-01 16:57:21 S 14 52 52.02 -07 48 24.1 L C51
2014-08-01 18:32:10 S 14 52 38.90 -07 47 54.3 L C51
2014-08-01 20:06:47 S 14 52 25.548 -07 47 23.93 L C51
2014-08-01 21:41:34 S 14 52 12.295 -07 46 54.41 L C51
2014-08-02 00:51:00 S 14 51 46.02 -07 45 55.8 L C51
2015-05-20 10:32:47 C 16 39 28.202 -16 43 23.41 L F51
2015-05-20 10:50:13 C 16 39 26.277 -16 43 17.87 L F51
2015-05-20 11:07:41 C 16 39 24.374 -16 43 12.63 L F51
2015-05-20 11:25:05 C 16 39 22.471 -16 43 07.54 L F51
2015-05-21 10:43:44 C 16 36 52.309 -16 35 59.69 L F51
2015-05-21 11:01:11 C 16 36 50.375 -16 35 54.31 L F51
2015-05-21 11:18:36 C 16 36 48.449 -16 35 49.06 L F51
2015-05-23 08:21:06 C 16 31 52.98 -16 21 35.1 L W84
2015-05-23 08:25:44 C 16 31 52.46 -16 21 33.6 L W84
2015-05-23 08:30:27 C 16 31 51.93 -16 21 32.0 L W84
2015-05-23 08:35:04 C 16 31 51.42 -16 21 30.5 L W84
2015-05-25 11:54:28 C 16 26 09.597 -16 05 11.81 L F52
2015-05-25 12:13:01 C 16 26 07.474 -16 05 05.81 L F52
2015-05-25 12:31:34 C 16 26 05.355 -16 04 59.73 L F52
2015-06-15 04:42:10 C 15 32 45.43 -13 24 04.9 q G96
2015-06-15 04:57:12 C 15 32 44.01 -13 24 01.1 q G96
2015-06-15 05:08:14 C 15 32 42.93 -13 23 57.5 q G96
2015-06-15 05:19:16 C 15 32 41.88 -13 23 54.3 q G96
2016-04-14 14:12:06 C 16 05 50.268 -17 18 32.45 L F51
2016-04-14 14:23:28 C 16 05 49.102 -17 18 27.64 L F51
2016-04-14 14:34:48 C 16 05 47.941 -17 18 22.90 L F51
2016-04-14 14:46:09 C 16 05 46.755 -17 18 18.28 L F51
2016-05-08 06:26:16 C 14 59 57.07 -12 32 36.5 q G96
2016-05-08 06:32:46 C 14 59 56.30 -12 32 32.6 q G96
2016-05-08 06:39:16 C 14 59 55.50 -12 32 29.5 q G96
2016-05-08 06:45:44 C 14 59 54.72 -12 32 26.1 q G96
2016-05-08 07:45:51 C 14 59 47.55 -12 31 53.9 q G96
2016-05-08 07:54:07 C 14 59 46.57 -12 31 49.3 q G96
2016-05-08 08:02:24 C 14 59 45.59 -12 31 45.4 q G96
2017-03-31 12:19:34 S 08 05 25.903 +18 06 35.06 L C51
2017-03-31 16:14:44 C 08 12 23.50 +17 54 49.2 q C97
2017-04-02 19:52:29 n 09 17 29.26 +15 20 46.4 15.9 q Z43
2017-04-02 20:24:33 n 09 17 57.04 +15 19 22.7 16.2 q Z43
2017-04-03 21:43:56 C 09 37 21.42 +14 18 09.0 q 160
2017-04-03 21:45:56 C 09 37 22.71 +14 18 04.5 q 160
2017-04-03 21:47:55 C 09 37 23.99 +14 18 00.1 q 160
2017-04-06 08:24:27 C 10 06 52.90 +12 32 40.6 L T05
2017-04-06 08:31:05 C 10 06 55.30 +12 32 30.9 L T05
2017-04-06 09:14:36 C 10 07 10.94 +12 31 26.7 L T05
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)