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
2021-06-10 02:36:10 C 14 01 59.03 -00 12 42.2 u 807
2021-06-10 02:44:12 C 14 02 01.20 -00 12 29.6 u 807
2021-06-11 03:15:16 C 14 09 04.05 +00 26 27.2 u 807
2021-06-11 03:22:58 C 14 09 06.13 +00 26 39.4 u 807
2021-06-11 03:30:39 C 14 09 08.22 +00 26 50.9 u 807
2021-06-12 01:58:16 C 14 15 30.36 +01 00 53.2 u 807
2021-06-12 02:06:26 C 14 15 32.52 +01 01 06.3 u 807
2021-06-12 02:14:25 C 14 15 34.67 +01 01 16.9 u 807
2021-06-12 05:28:06 C 14 16 28.33 +01 05 01.2 V I52
2021-06-12 05:29:11 C 14 16 28.61 +01 05 03.2 V I52
2021-06-12 05:30:14 C 14 16 28.93 +01 05 04.6 V I52
2021-06-12 05:31:18 C 14 16 29.21 +01 05 06.6 V I52
2021-06-13 02:30:10 C 14 22 17.98 +01 36 14.9 u 807
2021-06-13 02:38:12 C 14 22 20.08 +01 36 25.7 u 807
2021-06-13 02:46:19 C 14 22 22.20 +01 36 37.3 u 807
2021-06-14 05:53:33 C 14 29 42.92 +02 12 26.3 V I52
2021-06-14 05:55:21 C 14 29 43.41 +02 12 28.9 V I52
2021-06-14 05:57:10 C 14 29 43.87 +02 12 31.5 V I52
2021-06-14 05:58:59 C 14 29 44.33 +02 12 33.9 V I52
2021-06-14 09:45:44 C 14 30 44.189 +02 17 40.75 U F51
2021-06-14 10:17:24 C 14 30 52.255 +02 18 22.00 U F51
2021-06-14 10:33:14 C 14 30 56.305 +02 18 42.40 U F51
2021-06-19 02:15:01 C 14 59 10.56 +04 24 24.8 u 807
2021-06-19 02:25:03 C 14 59 12.81 +04 24 34.0 u 807
2021-06-19 02:35:13 C 14 59 15.13 +04 24 43.0 u 807
2021-06-19 07:09:00 C 15 00 18.77 +04 28 04.2 V I52
2021-06-19 07:17:34 C 15 00 20.47 +04 28 11.2 V I52
2021-06-19 07:26:08 C 15 00 22.68 +04 28 19.9 V I52
2021-06-19 07:34:43 C 15 00 24.65 +04 28 27.9 V I52
2021-06-27 05:52:27 C 15 40 57.98 +06 33 54.8 V I52
2021-06-27 06:00:12 C 15 40 59.37 +06 33 57.6 V I52
2021-07-03 08:32:45 C 16 06 40.180 +07 12 52.67 U F51
2021-07-03 08:50:11 C 16 06 42.804 +07 12 54.84 U F51
2021-07-03 09:07:36 C 16 06 45.433 +07 12 56.84 U F51
2021-07-03 09:24:58 C 16 06 48.051 +07 12 59.02 U F51
2021-07-07 08:44:04 C 16 21 24.533 +07 17 37.12 U F51
2021-07-07 09:00:16 C 16 21 26.736 +07 17 36.72 U F51
2021-07-07 09:16:21 C 16 21 28.930 +07 17 36.11 U F51
2021-07-07 09:32:26 C 16 21 31.125 +07 17 35.74 U F51
2021-07-14 03:54:27 C 16 43 27.91 +06 57 38.0 u H21
2021-07-14 04:00:30 C 16 43 28.64 +06 57 36.8 u H21
2021-07-14 04:07:08 C 16 43 29.45 +06 57 35.3 u H21
2021-07-15 06:45:25 C 16 46 48.988 +06 51 52.20 U F51
2021-07-15 07:02:23 C 16 46 50.935 +06 51 48.28 U F51
2021-07-15 07:36:34 C 16 46 54.834 +06 51 40.75 U F51