496901 (2001 HB)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6939154868 ± 1.74e-07
Semi-major axis (a)1.3138333539 AU ± 6.33e-09
Inclination (i)9.28120274° ± 1.80e-05
Long. of Asc. Node (Ω)195.80866991° ± 2.50e-05
Arg. of Perihelion (ω)238.01703418° ± 2.45e-05
Mean Anomaly (M)161.92791551° ± 2.83e-05
Mean Motion (n)0.6544882464°/day ± 4.73e-09
Perihelion dist (q)0.40214404 AU ± 2.29e-07
Aphelion dist (Q)2.22552267 AU ± 2.29e-07
Orbital Period1.50594955 yr ± 1.09e-08
Physical Parameters
H (abs. magnitude)20.69
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.567″
Uncertainty0
Orbit TypeApollo
MOID0.012933 AU
Observations Used94
Oppositions8
Arc Total1998-2023
First Observation Used1998-04-19
Last Observation Used2023-06-27
Observations (106)
Date Type RA Dec Mag Band Observatory
2004-04-11 20:30:41 C 09 23 04.35 +14 30 47.2 r 941
2004-04-11 20:31:20 C 09 23 04.82 +14 30 46.3 r 941
2004-04-12 03:17:21 C 09 27 37.93 +14 25 21.5 o 699
2004-04-12 03:44:11 C 09 27 55.19 +14 24 59.6 o 699
2004-04-12 04:11:02 C 09 28 12.41 +14 24 36.5 o 699
2004-04-12 04:37:49 C 09 28 29.41 +14 24 14.3 o 699
2004-04-15 04:46:59 C 10 06 26.22 +13 23 45.4 c 704
2004-04-15 05:02:39 C 10 06 32.64 +13 23 32.7 c 704
2004-04-15 05:18:26 C 10 06 39.09 +13 23 19.8 c 704
2004-04-15 05:34:09 C 10 06 45.51 +13 23 05.5 c 704
2004-04-19 04:45:55 C 10 38 16.58 +12 12 36.4 19.2 c 704
2004-04-19 05:02:14 C 10 38 20.78 +12 12 25.2 20.0 c 704
2004-04-19 05:18:10 C 10 38 24.69 +12 12 13.1 19.7 c 704
2004-04-19 05:34:05 C 10 38 28.72 +12 12 03.4 19.5 c 704
2004-04-19 05:50:02 C 10 38 32.70 +12 11 51.4 20.0 c 704
2004-04-22 05:57:27 C 10 54 41.69 +11 27 15.8 19.1 c 704
2004-04-22 06:28:45 C 10 54 47.57 +11 26 58.0 19.9 c 704
2004-04-22 06:44:15 C 10 54 50.54 +11 26 49.5 19.4 c 704
2004-04-22 06:59:46 C 10 54 53.36 +11 26 40.2 19.9 c 704
2004-05-23 04:01:16 C 12 04 23.08 +06 20 32.1 d 291
2004-05-23 04:06:58 C 12 04 23.50 +06 20 28.1 d 291
2004-05-23 04:12:53 C 12 04 23.72 +06 20 27.4 d 291
2007-04-16 04:13:47 C 08 44 15.77 +17 18 11.7 19.2 c 704
2007-04-16 04:26:53 C 08 44 23.89 +17 18 01.7 19.4 c 704
2007-04-16 04:39:50 C 08 44 31.94 +17 17 52.1 19.9 c 704
2007-04-16 04:52:52 C 08 44 39.93 +17 17 41.4 19.7 c 704
2007-04-16 05:06:02 C 08 44 48.14 +17 17 30.4 19.6 c 704
2007-04-22 03:47:57 C 09 52 54.48 +15 07 49.5 r G96
2007-04-22 03:57:39 C 09 52 57.82 +15 07 40.6 r G96
2007-04-22 04:07:21 C 09 53 01.24 +15 07 31.6 r G96
2007-04-22 04:17:04 C 09 53 04.59 +15 07 22.5 r G96
2010-04-20 08:04:35 S 08 31 41.424 +18 21 11.20 L C51
2010-04-20 11:15:06 S 08 33 20.923 +18 18 57.46 L C51
2010-04-20 12:50:27 S 08 34 10.370 +18 17 49.31 L C51
2010-04-20 14:25:37 S 08 34 59.554 +18 16 40.80 L C51
2010-04-20 14:25:48 S 08 34 59.621 +18 16 40.15 L C51
2010-04-20 16:00:58 S 08 35 48.598 +18 15 31.61 L C51
2010-04-20 19:11:29 S 08 37 25.937 +18 13 12.00 L C51
2014-06-26 10:41:40 C 23 44 33.29 +16 49 25.9 o 291
2014-06-26 10:45:25 C 23 44 34.07 +16 49 32.3 o 291
2014-06-26 10:49:09 C 23 44 34.83 +16 49 38.8 o 291
2017-07-01 09:09:21 C 23 42 20.46 +19 13 15.3 U W87
2017-07-01 09:17:38 C 23 42 22.22 +19 13 32.0 U W87
2017-07-01 09:25:56 C 23 42 23.99 +19 13 48.2 U W87
2017-07-01 09:34:13 C 23 42 25.75 +19 14 04.6 U W87
2017-07-01 09:50:49 C 23 42 29.30 +19 14 37.5 U W87
2017-07-04 08:43:45 C 23 59 03.46 +21 40 15.3 o 291
2017-07-04 08:54:22 C 23 59 06.07 +21 40 37.5 o 291
2017-07-04 09:05:01 C 23 59 08.72 +21 41 00.3 o 291
2017-07-13 09:28:03 C 01 08 46.22 +29 58 18.6 U V37