2021 QB2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1199098126 ± 5.12e-05
Semi-major axis (a)1.4018250770 AU ± 1.19e-04
Inclination (i)21.28745296° ± 3.63e-03
Long. of Asc. Node (Ω)329.20944887° ± 4.74e-04
Arg. of Perihelion (ω)329.17729533° ± 5.00e-03
Mean Anomaly (M)223.46567253° ± 1.20e-01
Mean Motion (n)0.5938428599°/day ± 7.56e-05
Perihelion dist (q)1.23373249 AU ± 1.27e-04
Aphelion dist (Q)1.56991766 AU ± 1.51e-04
Orbital Period1.65974259 yr ± 2.11e-04
Physical Parameters
H (abs. magnitude)22.76
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.178″
Uncertainty3
Orbit TypeAmor
MOID0.235555 AU
Observations Used24
Oppositions1
Arc Total2021-2021
First Observation Used2021-08-29
Last Observation Used2021-09-15
Observations (24)
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