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
2002-06-01 07:54:34 C 16 12 50.91 -09 21 25.9 c 644
2002-06-01 08:09:42 C 16 12 48.53 -09 21 23.0 c 644
2002-06-01 08:28:09 C 16 12 45.62 -09 21 19.5 c 644
2002-06-02 06:24:14 C 16 09 24.48 -09 17 13.9 c 644
2002-06-02 06:55:30 C 16 09 19.55 -09 17 08.8 c 644
2010-05-03 20:05:08 S 09 58 38.714 +39 26 41.93 L C51
2010-05-03 23:15:39 S 10 00 17.662 +39 12 43.60 L C51
2010-05-04 00:50:50 S 10 01 06.442 +39 05 45.74 L C51
2010-05-04 02:26:00 S 10 01 54.847 +38 58 48.83 L C51
2010-05-04 02:26:10 S 10 01 55.042 +38 58 47.46 L C51
2010-05-04 04:01:21 S 10 02 43.018 +38 51 51.26 L C51
2010-05-04 07:11:52 S 10 04 18.194 +38 37 59.70 L C51
2011-04-26 10:28:25 C 17 00 31.03 -02 47 15.5 r G96
2011-04-26 10:38:28 C 17 00 28.58 -02 47 10.2 r G96
2011-04-26 10:48:33 C 17 00 26.13 -02 47 05.2 r G96
2011-04-26 10:58:36 C 17 00 23.68 -02 47 00.0 r G96
2011-04-26 11:44:37 C 17 00 12.43 -02 46 36.2 r G96
2011-04-26 11:45:10 C 17 00 12.33 -02 46 36.7 r G96
2011-04-26 11:46:17 C 17 00 12.10 -02 46 35.4 r G96
2011-04-27 08:29:38 C 16 55 16.40 -02 36 22.0 u H36
2011-04-27 08:35:28 C 16 55 14.98 -02 36 18.9 u H36
2011-04-27 08:41:39 C 16 55 13.50 -02 36 15.7 u H36
2011-04-27 08:47:24 C 16 55 12.08 -02 36 12.0 u H36
2011-04-27 09:27:59 C 16 55 02.53 -02 35 50.9 r G96
2011-04-27 09:36:07 C 16 55 00.55 -02 35 46.8 r G96
2011-04-27 09:44:18 C 16 54 58.50 -02 35 42.8 r G96
2011-04-27 09:52:25 C 16 54 56.52 -02 35 38.9 r G96
2011-04-27 10:47:51 C 16 54 42.95 -02 35 10.3 20.8 c 926
2011-04-27 10:51:51 C 16 54 41.97 -02 35 08.6 20.8 c 926
2011-04-27 14:48:15 C 16 53 45.91 -02 32 43.1 o 474
2011-04-27 14:50:17 C 16 53 45.28 -02 32 40.6 o 474
2011-04-27 14:52:11 C 16 53 44.79 -02 32 40.7 o 474
2011-04-27 14:54:05 C 16 53 44.37 -02 32 39.6 o 474
2011-04-27 14:56:00 C 16 53 43.98 -02 32 38.9 o 474
2011-04-29 08:42:38 C 16 43 40.78 -02 13 14.8 o H21
2011-04-29 08:44:21 C 16 43 40.34 -02 13 14.0 o H21
2011-04-29 08:46:57 C 16 43 39.68 -02 13 12.9 o H21
2011-04-29 08:49:27 C 16 43 39.09 -02 13 11.1 o H21
2011-04-29 08:57:16 C 16 43 37.15 -02 13 08.4 o H21
2011-04-30 09:08:21 C 16 37 46.79 -02 02 02.5 o H21
2011-04-30 09:15:02 C 16 37 45.13 -02 01 59.8 o H21
2011-04-30 09:22:24 C 16 37 43.30 -02 01 56.3 o H21
2011-04-30 12:04:07 C 16 37 04.877 -02 00 36.52 L F51
2011-04-30 12:21:04 C 16 37 00.673 -02 00 28.93 L F51
2011-04-30 12:43:50 C 16 36 55.028 -02 00 18.63 L F51
2011-04-30 12:59:53 C 16 36 51.038 -02 00 11.51 L F51
2011-05-01 06:54:54 C 16 32 31.71 -01 51 54.5 o 807
2011-05-01 07:02:47 C 16 32 29.78 -01 51 51.0 o 807
2011-05-01 07:11:00 C 16 32 27.73 -01 51 47.4 o 807
2011-05-01 10:27:02 C 16 31 40.20 -01 50 47.4 o 291