IAA RAS IAA Minor Planet Database

2021 JR1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2718319978 ± 1.53e-05
Semi-major axis (a)0.8924387512 AU ± 2.03e-06
Inclination (i)15.54984782° ± 1.59e-03
Long. of Asc. Node (Ω)60.54468514° ± 8.57e-04
Arg. of Perihelion (ω)348.16847815° ± 5.12e-04
Mean Anomaly (M)308.17639879° ± 6.23e-03
Mean Motion (n)1.1690811186°/day ± 3.98e-06
Perihelion dist (q)0.64984534 AU ± 1.37e-05
Aphelion dist (Q)1.13503216 AU ± 1.39e-05
Orbital Period0.84307775 yr ± 2.87e-06
Physical Parameters
H (abs. magnitude)23.36
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.241″
Uncertainty1
Orbit TypeAten
MOID0.103064 AU
Observations Used50
Oppositions1
Arc Total2021-2021
First Observation Used2021-05-04
Last Observation Used2021-06-10
Observations (53)
Date Type RA Dec Mag Band Observatory
2021-05-04 07:29:26 C 14 09 53.10 +29 07 22.1 – V G96
2021-05-04 07:36:52 C 14 09 50.86 +29 07 03.6 – V G96
2021-05-04 07:44:18 C 14 09 48.60 +29 06 45.0 – V G96
2021-05-04 07:51:46 C 14 09 46.38 +29 06 26.1 – V G96
2021-05-04 09:43:18 C 14 09 12.71 +29 01 41.0 – V I52
2021-05-04 09:48:08 C 14 09 11.28 +29 01 28.6 – V I52
2021-05-04 09:52:58 C 14 09 09.85 +29 01 15.7 – V I52
2021-05-04 09:57:48 C 14 09 08.37 +29 01 03.4 – V I52
2021-05-04 23:22:48 C 14 05 19.34 +28 26 53.3 – V L01
2021-05-04 23:26:32 C 14 05 18.22 +28 26 44.2 – V L01
2021-05-04 23:30:17 C 14 05 17.05 +28 26 34.7 – V L01
2021-05-05 04:03:55 C 14 04 02.15 +28 14 55.5 – V H01
2021-05-05 04:11:03 C 14 04 00.04 +28 14 37.5 – V H01
2021-05-05 04:16:51 C 14 03 58.52 +28 14 23.7 – V I52
2021-05-05 04:21:41 C 14 03 57.09 +28 14 11.0 – V I52
2021-05-05 04:23:27 C 14 03 56.36 +28 14 06.1 – V H01
2021-05-05 04:26:31 C 14 03 55.70 +28 13 58.9 – V I52
2021-05-05 04:31:22 C 14 03 54.26 +28 13 47.0 – V I52
2021-05-05 04:36:43 C 14 03 52.44 +28 13 32.3 – V H01
2021-05-06 02:23:31 C 13 57 47.56 +27 16 09.7 – u H21
2021-05-06 02:31:54 C 13 57 45.14 +27 15 47.7 – u H21
2021-05-06 02:41:06 C 13 57 42.47 +27 15 24.0 – u H21
2021-05-06 03:32:28 C 13 57 28.94 +27 13 10.4 – V I52
2021-05-06 03:36:06 C 13 57 27.90 +27 13 01.5 – V I52
2021-05-06 03:39:44 C 13 57 26.84 +27 12 51.3 – V I52
2021-05-06 03:43:22 C 13 57 25.82 +27 12 41.9 – V I52
2021-05-06 04:04:12 C 13 57 19.57 +27 11 45.9 – q 858
2021-05-06 04:21:43 C 13 57 14.53 +27 11 00.1 – q 858
2021-05-08 08:32:27 C 13 43 18.42 +24 47 19.0 – o 691
2021-05-08 08:42:50 C 13 43 15.63 +24 46 50.7 – o 691
2021-05-08 08:53:14 C 13 43 12.86 +24 46 20.2 – o 691
2021-05-08 10:52:21 C 13 42 42.911 +24 40 56.44 – U F51
2021-05-08 11:13:42 C 13 42 37.180 +24 39 55.17 – U F51
2021-05-08 11:56:44 C 13 42 25.635 +24 37 50.50 – U F51
2021-05-10 07:56:26 C 13 31 35.93 +22 31 18.6 – V I52
2021-05-10 08:00:03 C 13 31 35.01 +22 31 08.4 – V I52
2021-05-10 08:03:41 C 13 31 34.13 +22 30 57.3 – V I52
2021-05-10 08:07:19 C 13 31 33.21 +22 30 46.9 – V I52
2021-05-12 07:15:42 C 13 20 48.87 +20 12 36.8 – o 691
2021-05-12 07:42:14 C 13 20 42.74 +20 11 18.2 – o 691
2021-05-12 08:08:47 C 13 20 36.68 +20 09 58.7 – o 691
2021-05-17 06:40:05 C 12 57 37.57 +14 22 41.0 – o 691
2021-05-17 07:01:31 C 12 57 33.86 +14 21 40.0 – o 691
2021-05-17 07:22:55 C 12 57 29.89 +14 20 36.2 – o 691
2021-05-29 00:50:52 C 12 22 44.09 +02 09 56.3 – V 807
2021-05-29 00:57:15 C 12 22 43.56 +02 09 41.6 – V 807
2021-05-29 01:02:50 C 12 22 43.05 +02 09 28.5 – V 807
2021-06-01 06:08:12 C 12 16 53.43 -00 39 59.3 – o 695
2021-06-01 06:19:47 C 12 16 52.58 -00 40 23.8 – o 695
2021-06-01 06:31:21 C 12 16 51.74 -00 40 47.9 – o 695