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
2007-07-12 20:21:20 C 17 35 43.46 +00 58 44.5 o 151
2007-07-12 20:22:31 C 17 35 42.79 +00 58 47.2 o 151
2007-07-12 20:22:36 C 17 35 42.71 +00 58 48.8 17.2 o 130
2007-07-12 20:23:42 C 17 35 42.12 +00 58 50.0 o 151
2007-07-12 20:24:50 C 17 35 41.44 +00 58 54.7 17.0 o 130
2007-07-12 20:24:53 C 17 35 41.49 +00 58 53.7 o 151
2007-07-12 20:26:04 C 17 35 40.76 +00 58 56.2 o 151
2007-07-12 20:26:31 C 17 35 40.51 +00 58 58.8 17.0 o 130
2007-07-12 21:20:31 C 17 35 09.59 +01 01 21.7 r B38
2007-07-12 21:21:50 C 17 35 09.05 +01 01 23.0 c A24
2007-07-12 21:25:05 C 17 35 06.97 +01 01 33.1 r B38
2007-07-12 21:30:18 C 17 35 03.96 +01 01 47.1 r B38
2007-07-12 21:34:21 C 17 35 01.66 +01 01 57.7 r B38
2007-07-12 21:40:26 C 17 34 58.31 +01 02 12.3 c A24
2007-07-12 21:49:56 C 17 34 52.73 +01 02 38.0 r B38
2007-07-12 21:54:19 C 17 34 50.38 +01 02 48.5 c A24
2007-07-12 22:07:28 C 17 34 42.84 +01 03 22.9 c A24
2007-07-12 22:38:00 C 17 34 25.37 +01 04 42.5 c A24
2007-07-12 22:49:01 C 17 34 19.06 +01 05 11.2 c A24
2007-07-13 20:43:16 C 17 21 32.43 +02 04 26.0 o 151
2007-07-13 20:43:47 C 17 21 32.11 +02 04 27.3 o 151
2007-07-13 20:44:17 C 17 21 31.79 +02 04 28.6 o 151
2007-07-13 20:44:48 C 17 21 31.48 +02 04 30.1 o 151
2007-07-13 20:45:18 C 17 21 31.19 +02 04 31.4 o 151
2007-07-13 20:45:49 C 17 21 30.85 +02 04 33.0 o 151
2007-07-13 20:46:20 C 17 21 30.52 +02 04 34.6 o 151
2007-07-14 21:01:04 C 17 06 10.15 +03 14 30.2 r B38
2007-07-14 21:32:32 C 17 05 49.02 +03 16 03.8 r B38
2007-07-14 21:38:15 C 17 05 45.18 +03 16 20.7 r B38
2007-07-14 21:48:41 C 17 05 38.17 +03 16 51.5 r B38
2007-07-15 06:37:21 C 16 59 43.15 +03 43 25.9 r H45
2007-07-15 06:39:27 C 16 59 41.71 +03 43 32.3 r H45
2007-07-15 06:41:02 C 16 59 40.62 +03 43 37.2 r H45
2007-07-15 06:41:46 C 16 59 40.13 +03 43 39.2 r H45
2007-07-15 06:43:17 C 16 59 39.09 +03 43 44.4 r H45
2007-07-15 20:47:14 C 16 49 57.48 +04 26 47.3 o 151
2007-07-15 20:47:43 C 16 49 57.12 +04 26 48.4 o 151
2007-07-15 20:48:10 C 16 49 56.76 +04 26 49.7 o 151
2007-07-15 20:48:39 C 16 49 56.45 +04 26 51.1 o 151
2007-07-15 20:49:06 C 16 49 56.12 +04 26 52.3 o 151
2007-07-15 20:49:35 C 16 49 55.79 +04 26 53.9 o 151
2007-07-15 20:50:02 C 16 49 55.46 +04 26 55.6 o 151
2007-07-17 05:36:41 C 16 25 40.23 +06 11 25.3 r H45
2007-07-17 05:40:38 C 16 25 37.14 +06 11 38.0 r H45
2007-07-17 05:41:51 C 16 25 36.19 +06 11 42.3 r H45
2007-07-17 05:43:35 C 16 25 34.83 +06 11 47.6 r H45
2007-07-17 05:44:27 C 16 25 34.14 +06 11 50.5 r H45
2007-07-17 22:10:20 C 16 12 41.75 +07 05 01.7 r B28
2007-07-17 22:27:59 C 16 12 27.46 +07 05 58.6 r B28
2007-07-17 22:41:50 C 16 12 16.26 +07 06 43.4 r B28
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)