2021 QR1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5140111947 ± 1.37e-05
Semi-major axis (a)2.2612963417 AU ± 6.92e-05
Inclination (i)15.37379082° ± 2.40e-04
Long. of Asc. Node (Ω)161.36693083° ± 9.41e-05
Arg. of Perihelion (ω)183.84030230° ± 3.93e-05
Mean Anomaly (M)83.33322977° ± 2.02e-02
Mean Motion (n)0.2898518362°/day ± 1.33e-05
Perihelion dist (q)1.09896471 AU ± 4.58e-05
Aphelion dist (Q)3.42362798 AU ± 1.09e-04
Orbital Period3.40044864 yr ± 1.56e-04
Physical Parameters
H (abs. magnitude)21.41
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.336″
Uncertainty2
Orbit TypeAmor
MOID0.089368 AU
Observations Used117
Oppositions1
Arc Total2021-2021
First Observation Used2021-08-28
Last Observation Used2021-11-07
Observations (117)
Date Type RA Dec Mag Band Observatory
2021-09-28 01:45:20 C 22 24 30.05 -46 27 05.3 u 807
2021-09-28 01:50:00 C 22 24 31.93 -46 27 12.4 u 807
2021-09-28 01:54:42 C 22 24 33.73 -46 27 18.9 u 807
2021-09-30 00:54:14 C 22 43 30.42 -47 24 27.3 V W94
2021-09-30 01:02:22 C 22 43 33.45 -47 24 37.5 V W94
2021-09-30 01:10:30 C 22 43 36.53 -47 24 45.1 V W94
2021-10-08 11:36:46 C 23 53 35.14 -48 18 37.4 V 474
2021-10-08 11:41:51 C 23 53 36.57 -48 18 35.6 V 474
2021-10-08 11:51:59 C 23 53 39.43 -48 18 32.5 V 474
2021-10-13 11:54:02 C 00 24 47.00 -47 16 07.5 V 474
2021-10-13 11:58:15 C 00 24 47.94 -47 16 04.2 V 474
2021-10-13 12:02:29 C 00 24 48.86 -47 16 01.5 V 474
2021-10-13 12:06:43 C 00 24 49.80 -47 15 57.9 V 474
2021-11-07 12:20:32 C 01 44 42.02 -36 46 52.6 V 474
2021-11-07 12:25:36 C 01 44 42.37 -36 46 46.8 V 474
2021-11-07 12:30:40 C 01 44 42.69 -36 46 40.8 V 474
2021-11-07 12:35:44 C 01 44 43.06 -36 46 34.7 V 474