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
2013-05-05 14:30:23 C 14 04 31.26 -26 03 01.4 o 300
2014-02-22 07:16:43 C 11 47 46.08 +06 54 42.7 o 291
2014-02-22 07:34:21 C 11 47 44.47 +06 54 52.5 o 291
2014-02-22 07:52:01 C 11 47 42.88 +06 55 02.4 o 291
2014-02-24 07:58:15 C 11 43 24.29 +07 22 20.8 u H21
2014-02-24 08:17:41 C 11 43 22.42 +07 22 32.7 u H21
2014-02-24 08:38:03 C 11 43 20.40 +07 22 44.5 u H21
2014-03-12 08:11:59 C 11 02 52.452 +11 09 59.35 V F51
2014-03-12 08:31:59 C 11 02 50.124 +11 10 11.23 V F51
2014-03-12 08:32:58 C 11 02 50.076 +11 10 11.02 V F51
2014-03-12 08:50:04 C 11 02 48.080 +11 10 20.98 V F51
2014-03-12 09:08:51 C 11 02 45.934 +11 10 30.95 V F51
2014-03-20 11:35:25 C 10 41 48.425 +12 46 36.39 V F51
2014-03-20 11:52:13 C 10 41 46.647 +12 46 43.24 V F51
2014-03-20 12:08:49 C 10 41 44.853 +12 46 50.67 V F51
2014-04-04 05:54:47 C 10 11 54.711 +14 29 23.10 V F51
2014-04-04 06:11:55 C 10 11 53.629 +14 29 26.24 V F51
2014-04-04 06:29:05 C 10 11 52.411 +14 29 28.99 V F51
2014-11-29 13:32:24 C 10 48 25.508 +14 24 57.99 V F51
2015-01-20 08:26:48 C 09 24 00.38 +25 24 36.1 q G96
2015-01-20 08:37:20 C 09 23 58.78 +25 24 42.2 q G96
2015-01-20 08:47:54 C 09 23 57.14 +25 24 48.4 q G96
2015-01-20 08:58:26 C 09 23 55.49 +25 24 54.9 q G96
2015-01-20 09:02:56 C 09 23 55.855 +25 24 59.62 V F51
2015-01-20 09:20:17 C 09 23 53.175 +25 25 10.17 V F51
2015-01-24 08:19:48 C 09 09 41.26 +26 16 48.7 q G96
2015-01-24 08:39:39 C 09 09 38.11 +26 16 59.1 q G96
2015-01-24 08:54:35 C 09 09 35.86 +26 17 06.5 q G96
2015-01-24 09:13:34 C 09 09 32.91 +26 17 15.5 q G96
2015-01-27 12:29:03 C 08 58 25.056 +26 50 49.17 L F51
2015-01-27 12:45:47 C 08 58 22.529 +26 50 55.69 L F51
2015-01-27 13:02:33 C 08 58 19.989 +26 51 01.96 L F51
2015-01-27 13:19:20 C 08 58 17.446 +26 51 08.37 L F51
2015-02-12 07:11:41 C 08 11 29.530 +27 59 49.54 V F51
2015-02-12 07:30:48 C 08 11 27.635 +27 59 50.00 V F51
2015-02-12 07:50:01 C 08 11 25.701 +27 59 49.88 V F51
2015-02-13 06:51:04 C 08 09 17.509 +27 59 33.63 V F51
2015-02-13 07:29:29 C 08 09 13.827 +27 59 33.46 V F51
2015-02-13 07:48:49 C 08 09 12.005 +27 59 33.29 V F51
2021-03-06 11:58:24 C 13 05 53.90 -03 17 01.4 o 291
2021-03-06 12:19:12 C 13 05 52.60 -03 16 54.1 o 291
2021-03-22 06:29:26 C 12 33 23.33 -00 15 45.3 o 691
2021-03-22 06:42:50 C 12 33 21.86 -00 15 37.1 o 691
2021-03-22 06:56:14 C 12 33 20.40 -00 15 29.2 o 691
2021-04-01 06:05:10 C 12 04 40.58 +02 14 35.9 o 691
2021-04-01 06:57:48 C 12 04 33.68 +02 15 09.5 o 691
2021-04-02 21:24:41 C 11 59 41.179 +02 40 01.89 V K93
2021-04-02 21:24:41 C 11 59 41.18 +02 40 01.9 V K93
2021-04-02 22:28:57 C 11 59 32.70 +02 40 42.8 V K93
2021-04-02 22:28:57 C 11 59 32.704 +02 40 42.85 V K93
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)