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
2006-03-26 07:02:15 C 12 09 50.61 +02 21 11.5 r G96
2006-03-26 07:13:16 C 12 09 49.24 +02 21 18.8 r G96
2006-03-26 07:23:51 C 12 09 47.88 +02 21 25.4 r G96
2006-03-26 07:34:32 C 12 09 46.58 +02 21 32.4 r G96
2006-03-26 08:05:53 C 12 09 42.69 +02 21 53.3 r G96
2006-03-26 08:32:42 C 12 09 39.28 +02 22 10.4 r G96
2006-03-26 08:45:59 C 12 09 37.62 +02 22 17.9 r G96
2006-03-29 04:28:24 C 12 01 22.16 +03 05 30.9 d 291
2006-03-29 04:36:25 C 12 01 21.14 +03 05 35.2 d 291
2006-03-29 04:44:41 C 12 01 20.16 +03 05 40.6 d 291
2013-04-16 11:46:33 C 15 14 46.148 -20 04 48.16 L F51
2013-04-16 12:09:47 C 15 14 44.914 -20 04 57.91 L F51
2013-04-16 12:56:14 C 15 14 42.441 -20 05 17.30 L F51
2013-04-24 15:35:24 C 15 01 02.89 -21 46 20.9 q E12
2013-04-24 16:05:04 C 15 00 59.47 -21 46 39.3 q E12
2013-04-24 16:33:09 C 15 00 56.09 -21 46 56.9 q E12
2013-04-24 18:04:05 C 15 00 45.34 -21 47 52.6 q E12
2013-04-24 18:14:11 C 15 00 44.20 -21 47 58.7 q E12
2013-04-24 19:30:02 C 15 00 35.52 -21 48 43.8 q E12
2013-04-25 01:10:54 C 15 00 00.69 -21 53 36.2 t 204
2013-04-25 01:26:27 C 14 59 58.78 -21 53 46.0 t 204
2013-04-25 03:02:22 C 14 59 50.96 -21 53 51.8 u 807
2013-04-25 03:09:01 C 14 59 50.14 -21 53 56.5 u 807
2013-04-25 03:42:54 C 14 59 45.59 -21 54 20.2 q 821
2013-04-25 03:53:43 C 14 59 44.24 -21 54 27.6 q 821
2013-04-25 04:04:48 C 14 59 42.85 -21 54 35.5 q 821
2013-04-25 05:45:24 C 14 59 30.49 -21 55 44.7 t W85
2013-04-25 05:55:08 C 14 59 29.26 -21 55 51.3 t W85
2013-04-25 06:04:51 C 14 59 28.03 -21 55 57.7 t W85
2013-04-25 12:06:26 C 14 58 49.25 -21 59 58.6 q E12
2013-04-29 08:22:45 C 14 45 24.87 -23 13 20.1 q 448
2013-04-29 08:31:45 C 14 45 23.11 -23 13 28.3 q 448
2013-04-29 08:40:07 C 14 45 21.46 -23 13 35.0 q 448
2013-04-29 11:01:52 C 14 45 00.38 -23 14 33.2 q E12
2013-04-29 11:05:35 C 14 44 59.66 -23 14 36.9 q E12
2013-04-29 16:47:56 C 14 43 51.17 -23 19 50.2 q E12
2013-04-30 17:21:02 C 14 38 58.43 -23 43 06.6 q E12
2013-04-30 17:23:25 C 14 38 57.91 -23 43 08.9 q E12
2013-05-03 05:39:22 C 14 24 06.02 -24 49 47.9 q 448
2013-05-03 05:45:42 C 14 24 04.03 -24 49 55.8 q 448
2013-05-03 05:53:00 C 14 24 01.75 -24 50 04.6 q 448
2013-05-03 05:59:16 C 14 23 59.87 -24 50 11.6 q 448
2013-05-03 06:06:08 C 14 23 57.65 -24 50 20.4 q 448
2013-05-03 22:44:19 C 14 18 53.12 -25 10 41.8 u I76
2013-05-03 23:02:10 C 14 18 47.14 -25 11 03.8 u I76
2013-05-05 14:21:00 C 14 04 35.32 -26 02 48.8 o 300
2013-05-05 14:22:52 C 14 04 34.51 -26 02 51.2 o 300
2013-05-05 14:24:45 C 14 04 33.73 -26 02 53.8 o 300
2013-05-05 14:26:38 C 14 04 32.92 -26 02 56.2 o 300
2013-05-05 14:28:30 C 14 04 32.06 -26 02 59.1 o 300
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)