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
2023-04-15 10:43:13 C 15 26 15.824 -15 13 07.25 V V00
2023-04-15 10:50:30 C 15 26 14.784 -15 13 02.50 V V00
2023-04-15 11:04:48 C 15 26 12.743 -15 12 53.17 V V00
2023-04-16 18:09:36 C 15 21 51.87 -14 52 29.4 V D29
2023-04-16 18:29:57 C 15 21 48.91 -14 52 16.0 V D29
2023-04-16 18:50:19 C 15 21 46.00 -14 52 02.3 V D29
2023-04-17 12:07:00 C 15 19 20.102 -14 40 29.81 U F52
2023-04-17 12:22:51 C 15 19 17.799 -14 40 19.15 U F52
2023-04-17 12:38:48 C 15 19 15.480 -14 40 08.55 U F52
2023-04-21 10:28:19 C 15 05 56.224 -13 36 10.94 V G96
2023-04-21 10:35:44 C 15 05 55.129 -13 36 05.90 V G96
2023-04-21 10:43:09 C 15 05 54.049 -13 36 00.50 V G96
2023-04-21 10:50:34 C 15 05 52.969 -13 35 55.46 V G96
2023-04-28 09:33:37 C 14 42 42.832 -11 40 31.13 X F52
2023-04-28 09:51:05 C 14 42 40.421 -11 40 19.23 X F52
2023-04-28 10:08:36 C 14 42 37.999 -11 40 07.42 X F52
2023-04-28 10:26:06 C 14 42 35.586 -11 39 55.50 X F52
2023-05-11 06:12:19 C 14 06 09.256 -08 31 49.62 V G96
2023-05-11 06:19:07 C 14 06 08.543 -08 31 45.98 V G96
2023-05-11 06:25:57 C 14 06 07.841 -08 31 42.49 V G96
2023-05-11 06:32:44 C 14 06 07.153 -08 31 39.07 V G96
2023-05-13 15:16:39 C 14 00 40.88 -08 03 27.5 V D29
2023-05-13 15:37:01 C 14 00 39.00 -08 03 15.4 V D29
2023-05-23 06:51:43 C 13 42 59.886 -06 33 34.88 V G96
2023-05-23 06:59:16 C 13 42 59.404 -06 33 32.51 V G96
2023-05-23 07:06:49 C 13 42 58.972 -06 33 29.59 V G96
2023-05-23 07:14:21 C 13 42 58.460 -06 33 27.76 V G96
2024-05-02 03:58:57 C 09 12 15.408 +16 53 49.49 V G96
2024-05-02 04:07:02 C 09 12 17.492 +16 53 41.10 V G96
2024-05-02 04:15:08 C 09 12 19.523 +16 53 33.07 V G96
2024-05-02 04:23:13 C 09 12 21.568 +16 53 24.90 V G96
2024-05-03 13:51:19 C 09 20 42.21 +16 20 30.7 V O18
2024-05-03 14:00:37 C 09 20 44.43 +16 20 21.2 V O18
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)