IAA RAS IAA Minor Planet Database

2021 RU216

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2128666341 ± 3.08e-06
Semi-major axis (a)1.6267305527 AU ± 6.26e-06
Inclination (i)2.30205941° ± 9.36e-06
Long. of Asc. Node (Ω)61.95520500° ± 3.85e-04
Arg. of Perihelion (ω)252.03929513° ± 9.75e-04
Mean Anomaly (M)31.11709716° ± 4.08e-03
Mean Motion (n)0.4750494733°/day ± 2.74e-06
Perihelion dist (q)1.28045390 AU ± 7.03e-06
Aphelion dist (Q)1.97300721 AU ± 9.10e-06
Orbital Period2.07478660 yr ± 1.20e-05
Physical Parameters
H (abs. magnitude)23.19
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.140″
Uncertainty1
Orbit TypeAmor
MOID0.267782 AU
Observations Used48
Oppositions1
Arc Total2021-2021
First Observation Used2021-07-13
Last Observation Used2021-10-05
Observations (49)
Date Type RA Dec Mag Band Observatory
2021-07-13 13:42:08 C 23 25 17.172 -10 56 12.51 – V F51
2021-07-13 13:58:17 C 23 25 18.398 -10 56 08.79 – V F51
2021-07-13 14:14:26 C 23 25 19.633 -10 56 04.32 – V F51
2021-07-13 14:30:35 C 23 25 20.867 -10 56 00.15 – V F51
2021-08-03 12:02:06 C 23 57 42.002 -09 26 22.82 – V F51
2021-08-03 12:18:16 C 23 57 42.613 -09 26 21.63 – V F51
2021-08-17 13:13:31 C 00 06 46.497 -09 21 28.53 – V F51
2021-08-17 13:29:35 C 00 06 46.529 -09 21 29.21 – V F51
2021-08-17 13:45:38 C 00 06 46.595 -09 21 29.87 – V F51
2021-08-17 14:09:12 C 00 06 46.654 -09 21 30.56 – V F51
2021-08-28 12:11:12 C 00 06 07.160 -09 39 35.58 – V F51
2021-08-28 12:29:43 C 00 06 06.750 -09 39 37.56 – V F51
2021-08-28 12:48:14 C 00 06 06.345 -09 39 38.72 – V F51
2021-08-28 13:06:45 C 00 06 05.938 -09 39 40.38 – V F51
2021-08-30 14:49:45 C 00 05 15.876 -09 44 00.57 – V F51
2021-08-30 14:50:41 C 00 05 15.852 -09 44 00.71 – V F51
2021-09-05 08:58:43 C 00 02 04.508 -09 55 41.96 – V F51
2021-09-05 09:15:23 C 00 02 03.964 -09 55 43.56 – V F51
2021-09-05 09:32:04 C 00 02 03.365 -09 55 44.80 – V F51
2021-09-05 09:48:41 C 00 02 02.800 -09 55 46.33 – V F51
2021-09-07 11:18:19 C 00 00 36.058 -09 59 22.62 – V F52
2021-09-07 11:34:10 C 00 00 35.473 -09 59 24.00 – V F52
2021-09-07 11:50:02 C 00 00 34.879 -09 59 24.67 – V F52
2021-09-07 12:05:46 C 00 00 34.261 -09 59 25.96 – V F52
2021-09-09 10:27:57 C 23 59 08.528 -10 02 18.29 – U F51
2021-09-09 10:51:38 C 23 59 07.585 -10 02 19.65 – U F51
2021-09-09 11:07:47 C 23 59 06.963 -10 02 20.46 – U F51
2021-09-09 11:23:56 C 23 59 06.318 -10 02 21.36 – U F51
2021-09-09 12:54:53 C 23 59 02.743 -10 02 26.05 – V F51
2021-09-09 12:55:49 C 23 59 02.707 -10 02 26.13 – V F51
2021-09-10 08:22:12 C 23 58 26.968 -10 03 26.86 – U F51
2021-09-10 08:34:33 C 23 58 26.495 -10 03 27.52 – U F51
2021-09-10 08:46:54 C 23 58 26.011 -10 03 28.39 – U F51
2021-09-10 08:59:18 C 23 58 25.536 -10 03 28.88 – U F51
2021-09-13 06:32:54 C 23 56 05.94 -10 06 13.6 – – G96
2021-09-13 06:46:46 C 23 56 05.38 -10 06 14.5 – – G96
2021-09-13 06:53:39 C 23 56 05.09 -10 06 14.1 – – G96
2021-09-28 09:41:08 C 23 44 29.934 -09 47 34.70 – V F51
2021-09-28 09:57:08 C 23 44 29.410 -09 47 32.51 – V F51
2021-09-28 10:13:09 C 23 44 28.890 -09 47 30.10 – V F51
2021-09-28 10:29:09 C 23 44 28.363 -09 47 27.90 – V F51
2021-10-03 07:16:03 C 23 41 48.326 -09 28 28.01 – V F51
2021-10-03 07:32:09 C 23 41 47.947 -09 28 25.17 – V F51
2021-10-03 07:48:14 C 23 41 47.496 -09 28 21.94 – V F51
2021-10-03 08:04:22 C 23 41 47.096 -09 28 19.32 – V F51
2021-10-05 08:13:07 C 23 40 55.019 -09 18 37.36 – V F51
2021-10-05 08:29:38 C 23 40 54.657 -09 18 33.78 – V F51
2021-10-05 08:46:08 C 23 40 54.277 -09 18 30.13 – V F51
2021-10-05 09:02:36 C 23 40 53.908 -09 18 26.70 – V F51