2021 JE9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3741746451 ± 2.00e+00
Semi-major axis (a)1.2813579360 AU ± 3.00e+00
Inclination (i)5.02864876° ± 4.00e+00
Long. of Asc. Node (Ω)74.02623101° ± 5.00e+00
Arg. of Perihelion (ω)59.05081120° ± 6.00e+00
Mean Anomaly (M)100.14172140° ± 8.28e-01
Mean Motion (n)0.6817379700°/day ± 2.39e+00
Perihelion dist (q)0.80101340 AU ± 3.18e+00
Aphelion dist (Q)1.75612600 AU ± 4.85e+00
Orbital Period1.44572810 yr ± 5.08e+00
Physical Parameters
H (abs. magnitude)24.46
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.165″
Uncertainty3
Orbit TypeApollo
MOID0.018828 AU
Observations Used19
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-05-16
Observations (19)
Date Type RA Dec Mag Band Observatory
2021-05-09 12:25:45 C 16 13 38.363 -06 08 30.25 V F51
2021-05-09 12:45:58 C 16 13 34.448 -06 09 01.77 V F51
2021-05-09 13:26:20 C 16 13 26.640 -06 10 04.95 V F51
2021-05-13 10:32:51 C 15 58 10.457 -08 23 28.49 U F51
2021-05-13 10:51:08 C 15 58 07.429 -08 23 52.26 U F51
2021-05-13 11:27:45 C 15 58 01.448 -08 24 39.81 U F51
2021-05-14 05:49:41 C 15 55 20.44 -08 48 16.9 u H21
2021-05-14 05:57:33 C 15 55 19.19 -08 48 26.3 u H21
2021-05-14 07:50:08 C 15 55 00.96 -08 49 51.9 V 807
2021-05-14 07:52:48 C 15 55 00.56 -08 49 55.0 V 807
2021-05-14 07:55:29 C 15 55 00.16 -08 49 58.4 V 807
2021-05-14 07:58:09 C 15 54 59.74 -08 50 01.8 V 807
2021-05-14 10:36:18 C 15 54 39.170 -08 54 00.57 V 568
2021-05-14 10:37:43 C 15 54 38.949 -08 54 02.33 V 568
2021-05-14 10:39:07 C 15 54 38.730 -08 54 04.06 V 568
2021-05-16 09:34:43 C 15 48 16.654 -09 49 33.55 V F51
2021-05-16 09:35:54 C 15 48 16.491 -09 49 35.23 V F51
2021-05-16 09:55:22 C 15 48 13.726 -09 49 57.27 V F51
2021-05-16 10:15:56 C 15 48 10.816 -09 50 20.55 V F51