2021 JR57

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4956117251
Semi-major axis (a)1.8704352212 AU
Inclination (i)15.22260699°
Long. of Asc. Node (Ω)58.89771910° ± 5.00e+00
Arg. of Perihelion (ω)210.90555948° ± 6.00e+00
Mean Anomaly (M)265.27862780°
Mean Motion (n)0.3852882500°/day
Perihelion dist (q)0.94342500 AU
Aphelion dist (Q)2.79747020 AU
Orbital Period2.55810470 yr
Physical Parameters
H (abs. magnitude)24.60
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.371″
Uncertainty
Orbit TypeApollo
MOID0.018115 AU
Observations Used8
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-05-14
Observations (8)
Date Type RA Dec Mag Band Observatory
2021-05-13 10:37:38 C 19 26 05.71 +57 11 15.5 V G96
2021-05-13 10:44:44 C 19 26 29.80 +57 10 59.7 V G96
2021-05-13 10:51:49 C 19 26 53.62 +57 10 42.5 V G96
2021-05-13 11:14:48 C 19 28 11.81 +57 09 44.2 V I52
2021-05-13 11:15:36 C 19 28 14.58 +57 09 42.2 V I52
2021-05-14 10:36:55 C 20 57 45.58 +53 48 30.6 V G96
2021-05-14 10:38:25 C 20 57 51.29 +53 48 08.5 V G96
2021-05-14 10:39:36 C 20 57 55.78 +53 47 51.0 V G96