551685 (2013 HT15)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4230113179 ± 2.55e-08
Semi-major axis (a)1.1011147739 AU ± 1.43e-09
Inclination (i)2.91562802° ± 2.46e-06
Long. of Asc. Node (Ω)23.27430614° ± 2.89e-05
Arg. of Perihelion (ω)315.91840919° ± 2.95e-05
Mean Anomaly (M)246.55453407° ± 4.44e-06
Mean Motion (n)0.8530282059°/day ± 1.66e-09
Perihelion dist (q)0.63533076 AU ± 2.81e-08
Aphelion dist (Q)1.56689879 AU ± 2.81e-08
Orbital Period1.15544395 yr ± 2.25e-09
Physical Parameters
H (abs. magnitude)21.82
G (slope)0.15
Alternative Designations

2006 FW33

Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.266″
Uncertainty0
Orbit TypeApollo
MOID0.026711 AU
Observations Used127
Radar Obs Used5
Oppositions1
Arc Total2006-2023
First Observation Used2006-03-26
Last Observation Used2023-01-22
Observations (134)
Date Type RA Dec Mag Band Observatory
2021-04-02 22:36:00 C 11 59 31.766 +02 40 47.13 V K93
2021-04-02 22:36:00 C 11 59 31.77 +02 40 47.1 V K93
2021-04-02 22:43:04 C 11 59 30.85 +02 40 51.8 V K93
2021-04-02 22:43:04 C 11 59 30.860 +02 40 52.56 V K93
2021-04-02 22:48:42 C 11 59 30.087 +02 40 54.95 V K93
2021-04-02 22:48:42 C 11 59 30.09 +02 40 55.0 V K93
2021-04-03 05:33:47 C 11 58 39.17 +02 44 50.5 V G96
2021-04-03 05:41:51 C 11 58 38.08 +02 44 56.3 V G96
2021-04-03 05:49:58 C 11 58 36.98 +02 45 01.0 V G96
2021-04-03 05:58:03 C 11 58 35.97 +02 45 05.9 V G96
2021-04-07 08:35:22 C 11 46 05.704 +03 46 12.94 U F51
2021-04-07 08:52:53 C 11 46 03.408 +03 46 23.50 U F51
2021-04-07 09:10:19 C 11 46 01.135 +03 46 33.57 U F51
2021-04-14 05:09:14 C 11 26 11.18 +05 17 28.7 o 291
2021-04-14 05:17:52 C 11 26 10.17 +05 17 31.2 o 291
2021-04-14 05:26:32 C 11 26 09.16 +05 17 35.4 o 291
2022-12-15 19:59:02 C 22 33 48.262 +43 43 46.42 V Z80
2022-12-15 20:18:58 C 22 34 21.156 +43 46 17.44 V Z80
2022-12-16 02:07:24 C 22 44 08.084 +44 30 31.79 V I52
2022-12-16 02:07:56 C 22 44 08.963 +44 30 35.39 V I52
2022-12-16 02:08:27 C 22 44 09.823 +44 30 39.13 V I52
2022-12-16 02:08:59 C 22 44 10.698 +44 30 42.80 V I52
2022-12-16 21:57:20 C 23 17 21.828 +46 26 41.21 V Z80
2022-12-16 22:10:07 C 23 17 43.046 +46 27 38.30 V Z80
2022-12-17 20:35:16 C 23 54 01.958 +47 48 01.44 V Z80
2022-12-17 20:45:13 C 23 54 17.201 +47 48 24.05 V Z80
2022-12-23 03:17:52 C 02 14 29.382 +46 01 34.54 V 703
2022-12-23 03:26:00 C 02 14 34.775 +46 01 16.97 V 703
2022-12-23 03:34:28 C 02 14 40.420 +46 00 57.89 V 703
2022-12-23 03:43:13 C 02 14 46.226 +46 00 38.16 V 703
2023-01-22 07:05:48 C 04 40 06.431 +32 31 14.45 V V00
2023-01-22 07:12:58 C 04 40 06.992 +32 31 10.60 V V00
2023-01-22 07:20:07 C 04 40 07.536 +32 31 07.46 V V00
2023-01-22 07:27:15 C 04 40 08.101 +32 31 03.86 V V00
Radar Observations (5)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2013-05-19 23:50:00 -319643.093 3 Hz 8560 -14 -14
2013-05-20 00:10:00 -322630.132 3 Hz 8560 -14 -14
2013-05-20 00:30:00 50095246.02 10 us 8560 -14 -14
2013-05-22 01:00:00 58048530.51 10 us 8560 -14 -14
2013-05-22 01:50:00 58211199.95 3 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)