403775 (2011 HS4)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6800677069 ± 7.15e-08
Semi-major axis (a)0.9383434145 AU ± 4.02e-09
Inclination (i)5.46489111° ± 6.48e-06
Long. of Asc. Node (Ω)117.47772952° ± 9.53e-05
Arg. of Perihelion (ω)314.29197761° ± 9.16e-05
Mean Anomaly (M)101.12112660° ± 3.08e-05
Mean Motion (n)1.0843501918°/day ± 6.97e-09
Perihelion dist (q)0.30020636 AU ± 6.71e-08
Aphelion dist (Q)1.57648047 AU ± 6.74e-08
Orbital Period0.90895570 yr ± 5.85e-09
Physical Parameters
H (abs. magnitude)20.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.384″
Uncertainty0
Orbit TypeAten
MOID0.006032 AU
Observations Used132
Oppositions2
Arc Total2002-2024
First Observation Used2002-06-01
Last Observation Used2024-06-05
Observations (142)
Date Type RA Dec Mag Band Observatory
2011-05-01 10:33:28 C 16 31 38.64 -01 50 45.4 o 291
2011-05-01 10:40:58 C 16 31 36.79 -01 50 41.8 o 291
2011-05-03 07:31:22 C 16 20 50.66 -01 31 36.3 o 807
2011-05-03 07:41:22 C 16 20 48.20 -01 31 32.6 o 807
2011-05-03 07:51:24 C 16 20 45.78 -01 31 28.5 o 807
2011-05-04 07:13:39 C 16 15 12.62 -01 22 51.7 o H21
2011-05-04 08:13:34 C 16 14 58.11 -01 22 29.5 o H21
2011-05-04 08:20:09 C 16 14 56.56 -01 22 27.4 o H21
2011-05-05 09:09:08 C 16 09 05.40 -01 13 22.2 o H21
2011-05-05 09:11:07 C 16 09 04.92 -01 13 21.3 o H21
2011-05-05 09:16:10 C 16 09 03.71 -01 13 19.1 o H21
2011-05-05 09:30:52 C 16 09 00.63 -01 13 11.9 o 691
2011-05-05 10:21:56 C 16 08 48.44 -01 12 53.5 o 691
2011-05-06 22:49:51 C 16 00 22.14 -01 00 42.5 r A17
2011-05-06 23:12:21 C 16 00 16.90 -01 00 35.0 r A17
2011-05-06 23:34:52 C 16 00 11.69 -01 00 28.1 r A17
2011-05-10 08:04:53 C 15 42 16.79 -00 38 00.7 u H36
2011-05-10 08:11:42 C 15 42 15.38 -00 37 59.2 u H36
2011-05-10 08:25:21 C 15 42 12.45 -00 37 56.7 u H36
2011-05-13 00:26:15 C 15 28 54.10 -00 24 55.8 v 204
2011-05-13 00:56:28 C 15 28 47.90 -00 24 50.3 v 204
2011-05-13 08:57:05 C 15 27 12.895 -00 23 22.61 V F51
2011-05-13 09:11:05 C 15 27 10.069 -00 23 20.31 V F51
2011-05-13 09:27:52 C 15 27 06.586 -00 23 17.48 V F51
2011-05-13 09:43:36 C 15 27 03.387 -00 23 15.01 V F51
2011-05-21 04:09:36 C 14 54 24.95 -00 09 28.9 o 807
2011-05-21 04:18:08 C 14 54 23.61 -00 09 28.6 o 807
2011-05-21 07:34:17 C 14 53 53.92 -00 09 50.6 o 291
2011-05-21 07:39:30 C 14 53 53.11 -00 09 49.8 o 291
2011-05-21 07:44:54 C 14 53 52.25 -00 09 49.5 o 291
2012-03-19 15:20:36 C 18 23 48.56 -15 47 26.4 b 568
2012-03-19 15:28:12 C 18 23 48.70 -15 47 24.9 b 568
2012-03-19 15:35:49 C 18 23 48.85 -15 47 23.6 b 568
2012-03-20 15:16:09 C 18 24 17.23 -15 42 54.8 b 568
2012-03-20 15:19:57 C 18 24 17.31 -15 42 54.1 b 568
2012-03-20 15:23:45 C 18 24 17.38 -15 42 53.4 b 568
2012-05-19 00:23:02 C 17 00 45.46 -10 25 58.5 o 461
2012-05-19 00:35:29 C 17 00 43.57 -10 25 54.6 o 461
2012-05-21 11:11:03 C 16 51 35.270 -10 11 35.64 V F51
2012-05-21 11:26:39 C 16 51 32.755 -10 11 31.94 V F51
2012-05-21 11:40:32 C 16 51 30.502 -10 11 28.42 V F51
2012-05-30 06:34:38 C 16 17 58.52 -09 24 16.4 r G96
2012-05-30 06:42:56 C 16 17 57.19 -09 24 14.8 r G96
2012-05-30 06:51:19 C 16 17 55.86 -09 24 12.8 r G96
2012-05-30 06:59:37 C 16 17 54.49 -09 24 11.5 r G96
2013-07-01 07:34:28 C 16 01 49.439 -12 45 27.90 L F51
2013-07-01 07:53:43 C 16 01 46.675 -12 45 26.76 L F51
2013-07-01 08:12:56 C 16 01 43.921 -12 45 25.70 L F51
2013-07-01 08:32:08 C 16 01 41.165 -12 45 24.59 L F51
2014-07-01 07:06:54 C 18 21 24.50 -14 51 54.8 q H45