2021 JR8

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3443356344 ± 1.00e-05
Semi-major axis (a)1.6568919379 AU ± 2.82e-05
Inclination (i)10.34302705° ± 1.92e-04
Long. of Asc. Node (Ω)245.40272310° ± 1.08e-04
Arg. of Perihelion (ω)344.78329135° ± 1.11e-04
Mean Anomaly (M)41.77547930° ± 1.95e-02
Mean Motion (n)0.4621372748°/day ± 1.18e-05
Perihelion dist (q)1.08636500 AU ± 2.49e-05
Aphelion dist (Q)2.22741887 AU ± 4.14e-05
Orbital Period2.13275651 yr ± 5.45e-05
Physical Parameters
H (abs. magnitude)22.76
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.256″
Uncertainty2
Orbit TypeAmor
MOID0.079537 AU
Observations Used92
Oppositions1
Arc Total2021-2021
First Observation Used2021-05-14
Last Observation Used2021-07-15
Observations (95)
Date Type RA Dec Mag Band Observatory
2021-05-14 06:11:12 C 10 55 50.118 -19 59 03.37 U F51
2021-05-14 06:27:05 C 10 55 53.417 -19 58 40.66 U F51
2021-05-14 06:42:59 C 10 55 56.727 -19 58 17.87 U F51
2021-05-14 06:58:51 C 10 56 00.023 -19 57 55.11 U F51
2021-05-14 21:21:23 C 10 59 15.97 -19 37 26.4 V J04
2021-05-14 21:41:22 C 10 59 20.29 -19 36 56.8 V J04
2021-05-14 23:27:16 C 10 59 46.35 -19 33 29.4 V 807
2021-05-14 23:31:15 C 10 59 47.19 -19 33 23.9 V 807
2021-05-14 23:35:14 C 10 59 48.06 -19 33 18.0 V 807
2021-05-14 23:39:14 C 10 59 48.90 -19 33 12.1 V 807
2021-05-15 03:44:57 C 11 00 44.17 -19 28 11.9 V I52
2021-05-15 03:50:58 C 11 00 45.51 -19 28 02.9 V I52
2021-05-15 06:20:22 C 11 01 20.490 -19 24 15.23 V 568
2021-05-15 06:25:15 C 11 01 21.534 -19 24 08.07 V 568
2021-05-15 06:26:39 C 11 01 21.833 -19 24 05.99 V 568
2021-05-16 07:28:23 C 11 07 17.31 -18 45 37.9 V 474
2021-05-16 07:33:30 C 11 07 18.44 -18 45 30.0 V 474
2021-05-16 07:38:38 C 11 07 19.62 -18 45 22.6 V 474
2021-05-16 07:43:45 C 11 07 20.80 -18 45 14.0 V 474
2021-05-17 01:06:28 C 11 11 32.66 -18 18 40.0 u 807
2021-05-17 01:13:10 C 11 11 34.22 -18 18 30.0 u 807
2021-05-17 01:19:56 C 11 11 35.76 -18 18 18.7 u 807
2021-05-17 01:26:44 C 11 11 37.30 -18 18 07.5 u 807
2021-05-18 03:46:50 C 11 18 11.93 -17 37 14.3 V I52
2021-05-18 03:48:39 C 11 18 12.34 -17 37 11.2 V I52
2021-05-18 03:50:27 C 11 18 12.79 -17 37 07.3 V I52
2021-05-18 03:52:16 C 11 18 13.22 -17 37 05.3 V I52
2021-05-20 07:55:33 C 11 31 50.22 -16 08 29.7 V 474
2021-05-20 08:00:41 C 11 31 51.55 -16 08 21.0 V 474
2021-05-20 08:05:48 C 11 31 52.82 -16 08 12.1 V 474
2021-05-20 08:10:56 C 11 31 54.10 -16 08 03.3 V 474
2021-05-30 05:46:52 C 12 41 54.65 -08 30 31.4 V I52
2021-05-30 05:49:43 C 12 41 55.50 -08 30 25.1 V I52
2021-05-30 05:52:54 C 12 41 56.43 -08 30 18.0 V I52
2021-05-30 05:54:00 C 12 41 56.78 -08 30 16.3 V I52
2021-05-31 04:36:59 C 12 49 04.13 -07 43 46.6 o 691
2021-05-31 04:46:24 C 12 49 06.95 -07 43 27.2 o 691
2021-05-31 04:55:52 C 12 49 09.77 -07 43 07.4 o 691
2021-06-02 02:12:14 C 13 03 21.23 -06 09 50.8 u 807
2021-06-02 02:18:34 C 13 03 23.05 -06 09 39.0 u 807
2021-06-02 02:24:54 C 13 03 24.97 -06 09 25.7 u 807
2021-06-03 04:25:39 C 13 11 34.14 -05 18 21.0 o 691
2021-06-03 04:37:28 C 13 11 37.60 -05 17 56.4 o 691
2021-06-03 04:49:16 C 13 11 41.16 -05 17 32.7 o 691
2021-06-07 06:40:09 C 13 41 48.96 -02 10 38.4 V I52
2021-06-07 06:43:30 C 13 41 49.93 -02 10 32.1 V I52
2021-06-09 02:44:05 C 13 54 59.84 -00 52 19.0 u 807
2021-06-09 02:52:03 C 13 55 02.06 -00 52 05.7 u 807
2021-06-09 03:00:05 C 13 55 04.32 -00 51 52.3 u 807
2021-06-10 02:28:13 C 14 01 56.83 -00 12 55.0 u 807