2021 RO16

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2641477904 ± 1.21e-04
Semi-major axis (a)1.1860173741 AU ± 1.25e-04
Inclination (i)0.41418818° ± 1.85e-04
Long. of Asc. Node (Ω)60.09927580° ± 5.90e-03
Arg. of Perihelion (ω)219.34562992° ± 6.10e-03
Mean Anomaly (M)131.44082978° ± 2.05e-01
Mean Motion (n)0.7630898896°/day ± 1.20e-04
Perihelion dist (q)0.87273351 AU ± 1.71e-04
Aphelion dist (Q)1.49930124 AU ± 2.13e-04
Orbital Period1.29162540 yr ± 2.04e-04
Physical Parameters
H (abs. magnitude)26.54
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.456″
Uncertainty3
Orbit TypeApollo
MOID0.003518 AU
Observations Used33
Oppositions1
Arc Total2021-2021
First Observation Used2021-09-14
Last Observation Used2021-10-14
Observations (33)
Date Type RA Dec Mag Band Observatory
2021-09-14 10:46:10 C 00 03 50.93 -27 19 34.6 V T08
2021-09-14 10:50:52 C 00 03 49.74 -27 18 09.5 V T08
2021-09-14 11:39:53 C 00 03 37.59 -27 03 23.3 V T08
2021-09-14 12:20:19 C 00 03 27.88 -26 51 18.5 V T08
2021-09-14 21:20:56 C 00 03 16.48 -24 28 09.3 V 595
2021-09-14 21:33:20 C 00 03 14.59 -24 25 10.6 V 595
2021-09-14 22:04:46 C 00 03 09.40 -24 17 39.7 V 595
2021-09-14 22:31:42 C 00 03 04.87 -24 11 13.3 V L01
2021-09-14 22:33:11 C 00 03 04.59 -24 10 52.2 V L01
2021-09-14 22:34:19 C 00 03 04.40 -24 10 35.7 V L01
2021-09-14 22:36:56 C 00 03 03.92 -24 09 58.7 V L01
2021-09-14 22:38:03 C 00 03 03.71 -24 09 42.5 V L01
2021-09-14 22:56:40 C 00 02 58.30 -24 05 30.3 X G02
2021-09-14 23:01:14 C 00 02 57.59 -24 04 25.4 X G02
2021-09-14 23:05:58 C 00 02 56.81 -24 03 17.7 X G02
2021-09-15 04:29:56 C 00 02 41.83 -22 41 34.8 u 807
2021-09-15 04:35:40 C 00 02 40.80 -22 40 22.0 u 807
2021-09-15 04:41:19 C 00 02 39.73 -22 39 09.9 u 807
2021-09-15 06:59:53 C 00 02 37.53 -22 17 15.2 V 654
2021-09-15 08:09:52 C 00 02 25.80 -22 03 04.9 V 654
2021-09-15 09:29:36 C 00 02 12.74 -21 47 01.2 V 654
2021-09-16 03:47:35 C 00 01 41.67 -18 33 14.1 u 807
2021-09-16 03:49:51 C 00 01 41.37 -18 32 54.6 u 807
2021-09-16 03:52:11 C 00 01 41.02 -18 32 34.2 u 807
2021-09-16 03:54:30 C 00 01 40.73 -18 32 14.2 u 807
2021-09-16 03:56:45 C 00 01 40.42 -18 31 55.1 u 807
2021-09-16 03:59:04 C 00 01 40.12 -18 31 34.8 u 807
2021-09-28 09:22:11 C 23 58 19.26 -05 18 41.2 o 291
2021-09-28 09:36:43 C 23 58 18.94 -05 18 29.9 o 291
2021-09-28 09:51:14 C 23 58 18.58 -05 18 16.0 o 291
2021-10-09 10:03:19 C 23 59 00.676 -02 50 37.77 V T12
2021-10-14 06:58:01 C 00 00 16.16 -02 08 19.8 V 695
2021-10-14 07:30:38 C 00 00 16.15 -02 08 08.7 V 695