2021 QB2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1198767141 ± 5.61e-07
Semi-major axis (a)1.4017681167 AU ± 5.28e-09
Inclination (i)21.28487804° ± 8.91e-05
Long. of Asc. Node (Ω)329.20965515° ± 1.15e-05
Arg. of Perihelion (ω)329.18841535° ± 9.57e-04
Mean Anomaly (M)223.51435480° ± 7.54e-04
Mean Motion (n)0.5938790561°/day ± 3.36e-09
Perihelion dist (q)1.23372876 AU ± 7.86e-07
Aphelion dist (Q)1.56980747 AU ± 7.86e-07
Orbital Period1.65964143 yr ± 9.38e-09
Physical Parameters
H (abs. magnitude)22.76
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-08-13
RMS Residual0.173″
Uncertainty0
Orbit TypeAmor
MOID0.235536 AU
Observations Used30
Oppositions2
Arc Total2021-2026
First Observation Used2021-08-29
Last Observation Used2026-08-09
Observations (30)
Date Type RA Dec Mag Band Observatory
2021-08-29 07:38:09 C 21 00 18.764 -12 46 21.74 – U F51
2021-08-29 07:54:11 C 21 00 17.010 -12 45 37.13 – U F51
2021-08-29 08:10:35 C 21 00 15.220 -12 44 51.57 – U F51
2021-08-29 08:27:50 C 21 00 13.337 -12 44 03.65 – U F51
2021-08-29 23:52:52 C 20 58 43.75 -12 00 57.9 – V 807
2021-08-29 23:58:58 C 20 58 43.12 -12 00 41.0 – V 807
2021-08-30 00:04:49 C 20 58 42.56 -12 00 25.1 – V 807
2021-08-30 08:32:55 C 20 57 52.726 -11 37 48.53 – U F51
2021-08-30 08:42:06 C 20 57 51.774 -11 37 23.34 – U F51
2021-08-30 08:51:20 C 20 57 50.818 -11 36 58.34 – U F51
2021-08-31 06:22:58 C 20 55 53.049 -10 39 08.23 – U F51
2021-08-31 06:56:39 C 20 55 49.755 -10 37 39.11 – U F51
2021-08-31 07:13:34 C 20 55 48.096 -10 36 54.53 – U F51
2021-09-05 06:51:58 C 20 46 34.72 -05 41 30.2 – o 291
2021-09-05 07:00:41 C 20 46 34.13 -05 41 10.6 – o 291
2021-09-09 07:02:17 C 20 41 17.537 -02 16 11.77 – U F51
2021-09-09 07:21:38 C 20 41 16.502 -02 15 33.35 – U F51
2021-09-09 07:40:58 C 20 41 15.467 -02 14 55.03 – U F51
2021-09-10 05:52:20 C 20 40 16.40 -01 31 40.0 – o 291
2021-09-10 06:02:00 C 20 40 15.92 -01 31 21.2 – o 291
2021-09-10 06:11:43 C 20 40 15.43 -01 31 02.6 – o 291
2021-09-15 01:39:15 C 20 36 33.25 +01 52 22.9 – V 807
2021-09-15 01:46:11 C 20 36 33.05 +01 52 34.1 – V 807
2021-09-15 01:52:56 C 20 36 32.84 +01 52 44.4 – V 807
2026-08-07 11:25:46 C 23 40 17.422 -17 22 54.84 – X F52
2026-08-07 11:59:04 C 23 40 13.264 -17 21 38.82 – X F52
2026-08-07 12:15:51 C 23 40 11.174 -17 20 59.99 – X F52
2026-08-09 11:33:32 C 23 34 30.055 -15 30 14.85 – X F51
2026-08-09 11:49:53 C 23 34 27.870 -15 29 35.98 – X F51
2026-08-09 12:06:12 C 23 34 25.714 -15 28 57.36 – X F51