2021 QB3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3287721016 ± 3.72e-06
Semi-major axis (a)1.4882634247 AU ± 8.07e-06
Inclination (i)6.58258253° ± 5.55e-05
Long. of Asc. Node (Ω)161.13868249° ± 1.77e-06
Arg. of Perihelion (ω)159.85765794° ± 4.09e-05
Mean Anomaly (M)125.46021031° ± 6.87e-03
Mean Motion (n)0.5428659008°/day ± 4.42e-06
Perihelion dist (q)0.99896393 AU ± 7.75e-06
Aphelion dist (Q)1.97756292 AU ± 1.21e-05
Orbital Period1.81559807 yr ± 1.48e-05
Physical Parameters
H (abs. magnitude)23.76
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.327″
Uncertainty1
Orbit TypeApollo
MOID0.002927 AU
Observations Used305
Oppositions1
Arc Total2021-2021
First Observation Used2021-08-31
Last Observation Used2021-10-29
Observations (327)
Date Type RA Dec Mag Band Observatory
2021-09-13 12:48:30 C 02 19 31.708 -21 08 01.38 U F51
2021-09-14 12:09:26 C 02 21 29.56 -21 10 55.1 V T08
2021-09-14 12:16:43 C 02 21 29.69 -21 10 57.2 V T08
2021-09-14 12:31:11 C 02 21 29.96 -21 10 59.0 V T08
2021-09-14 12:34:30 C 02 21 29.97 -21 10 59.4 V T08
2021-09-25 12:51:07 C 02 27 48.382 -21 03 10.39 U F52
2021-09-25 13:05:44 C 02 27 47.886 -21 03 08.35 U F52
2021-09-25 13:20:16 C 02 27 47.376 -21 03 06.16 U F52
2021-10-02 11:52:10 C 02 25 35.550 -20 34 21.87 U F52
2021-10-02 12:08:40 C 02 25 34.844 -20 34 18.12 U F52
2021-10-02 12:41:43 C 02 25 33.430 -20 34 10.44 U F52
2021-10-08 10:08:22 C 02 22 09.39 -19 55 30.5 o 691
2021-10-08 10:26:30 C 02 22 08.60 -19 55 23.5 o 691
2021-10-14 07:44:34 C 02 18 17.79 -19 02 32.4 V G96
2021-10-14 07:52:56 C 02 18 17.35 -19 02 29.6 V G96
2021-10-14 08:01:16 C 02 18 17.00 -19 02 25.3 V G96
2021-10-14 08:09:36 C 02 18 16.73 -19 02 22.4 V G96
2021-10-14 11:36:42 C 02 18 10.575 -19 00 46.38 U F51
2021-10-14 11:53:29 C 02 18 09.861 -19 00 39.16 U F51
2021-10-14 12:10:15 C 02 18 09.149 -19 00 31.71 U F51
2021-10-14 12:27:01 C 02 18 08.441 -19 00 24.29 U F51
2021-10-16 06:50:49 C 02 17 00.46 -18 41 54.5 o 291
2021-10-16 07:07:00 C 02 16 59.81 -18 41 47.3 o 291
2021-10-16 07:23:11 C 02 16 59.16 -18 41 40.2 o 291
2021-10-29 08:30:53 C 02 09 30.713 -15 52 54.65 U F51
2021-10-29 08:47:44 C 02 09 30.247 -15 52 44.13 U F51
2021-10-29 09:25:54 C 02 09 29.136 -15 52 21.31 U F51