2021 HS1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1145590000
Semi-major axis (a)1.1222682000 AU
Inclination (i)6.62725000°
Long. of Asc. Node (Ω)198.63906000°
Arg. of Perihelion (ω)311.52634000°
Mean Anomaly (M)358.53301000°
Mean Motion (n)0.8290087100°/day
Perihelion dist (q)0.99370230 AU
Aphelion dist (Q)1.25083410 AU
Orbital Period1.18889910 yr
Physical Parameters
H (abs. magnitude)26.26
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.680″
Uncertainty6
Orbit TypeApollo
MOID0.024602 AU
Observations Used30
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-05-01
Observations (31)
Date Type RA Dec Mag Band Observatory
2021-04-10 09:40:10 C 14 22 18.99 -05 29 04.8 V 703
2021-04-18 09:22:54 C 14 45 48.177 +12 27 08.55 U F52
2021-04-18 09:37:56 C 14 45 48.684 +12 28 04.87 U F52
2021-04-18 09:52:52 C 14 45 49.110 +12 29 01.44 U F52
2021-04-19 07:59:47 C 14 47 25.87 +13 46 27.9 V I52
2021-04-19 08:02:12 C 14 47 25.95 +13 46 35.4 V I52
2021-04-19 08:04:37 C 14 47 26.02 +13 46 43.8 V I52
2021-04-19 08:07:02 C 14 47 26.06 +13 46 52.3 V I52
2021-04-19 08:35:40 C 14 47 26.77 +13 48 27.6 V G96
2021-04-19 08:37:41 C 14 47 26.84 +13 48 35.3 V G96
2021-04-19 08:44:00 C 14 47 27.03 +13 48 55.2 V G96
2021-04-19 08:46:00 C 14 47 27.06 +13 49 02.7 V G96
2021-04-19 08:52:24 C 14 47 27.22 +13 49 24.1 V G96
2021-04-19 08:54:24 C 14 47 27.28 +13 49 30.8 V G96
2021-04-19 09:00:44 C 14 47 27.42 +13 49 52.5 V G96
2021-04-19 09:02:45 C 14 47 27.46 +13 49 58.7 V G96
2021-04-19 14:01:08 C 14 47 43.067 +14 06 59.09 V 568
2021-04-19 14:02:32 C 14 47 43.112 +14 07 03.49 V 568
2021-04-19 14:05:22 C 14 47 43.201 +14 07 12.42 V 568
2021-04-21 07:31:30 C 14 50 35.52 +16 11 39.1 V I52
2021-04-21 07:35:08 C 14 50 35.58 +16 11 49.7 V I52
2021-04-21 07:38:46 C 14 50 35.64 +16 11 59.6 V I52
2021-04-21 07:42:24 C 14 50 35.61 +16 12 10.7 V I52
2021-04-22 10:09:11 C 14 52 00.38 +17 21 11.8 V I52
2021-04-22 10:12:49 C 14 52 00.42 +17 21 20.3 V I52
2021-04-22 10:20:05 C 14 52 00.57 +17 21 37.7 V I52
2021-04-23 01:20:47 C 14 52 50.81 +17 56 50.7 V 033
2021-04-23 01:25:57 C 14 52 50.91 +17 57 02.0 V 033
2021-04-23 01:31:07 C 14 52 51.04 +17 57 13.9 V 033
2021-05-01 05:09:32 C 14 59 59.09 +23 04 23.2 u H21
2021-05-01 05:16:47 C 14 59 59.07 +23 04 30.8 u H21