IAA RAS IAA Minor Planet Database

2021 JS8

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4299385000
Semi-major axis (a)1.6410936000 AU
Inclination (i)9.99103000°
Long. of Asc. Node (Ω)235.06972000°
Arg. of Perihelion (ω)298.92906000°
Mean Anomaly (M)77.71951000°
Mean Motion (n)0.4688177500°/day
Perihelion dist (q)0.93552430 AU
Aphelion dist (Q)2.34666290 AU
Orbital Period2.10232580 yr
Physical Parameters
H (abs. magnitude)24.98
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual1.040″
Uncertainty8
Orbit TypeApollo
MOID0.050352 AU
Observations Used16
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-05-18
Observations (18)
Date Type RA Dec Mag Band Observatory
2021-05-14 07:21:10 C 14 30 45.96 -21 11 16.8 – V G96
2021-05-14 07:30:43 C 14 30 49.14 -21 10 30.3 – V G96
2021-05-14 07:46:17 C 14 30 54.32 -21 09 12.9 – V G96
2021-05-14 08:12:41 C 14 31 03.07 -21 07 03.7 – V I52
2021-05-14 08:14:06 C 14 31 03.51 -21 06 56.9 – V I52
2021-05-14 08:15:31 C 14 31 04.05 -21 06 49.1 – V I52
2021-05-14 08:16:56 C 14 31 04.47 -21 06 42.7 – V I52
2021-05-14 22:46:37 C 14 36 07.76 -19 58 29.9 – V J04
2021-05-14 22:49:45 C 14 36 08.72 -19 58 15.1 – V J04
2021-05-14 22:52:54 C 14 36 09.66 -19 58 02.4 – V J04
2021-05-15 02:21:07 C 14 37 17.67 -19 40 48.0 – V 807
2021-05-15 02:23:17 C 14 37 18.32 -19 40 38.3 – V 807
2021-05-15 02:25:35 C 14 37 19.00 -19 40 28.2 – V 807
2021-05-16 05:45:34 C 14 45 29.02 -17 46 31.1 – V I52
2021-05-16 05:47:24 C 14 45 29.45 -17 46 23.6 – V I52
2021-05-18 05:26:14 C 14 57 15.88 -14 55 17.8 – V I52
2021-05-18 05:29:52 C 14 57 16.68 -14 55 05.6 – V I52
2021-05-18 05:31:41 C 14 57 17.06 -14 55 00.4 – V I52