2021 GB9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4357553805 ± 1.74e-04
Semi-major axis (a)2.0994381950 AU ± 7.16e-04
Inclination (i)4.29522162° ± 1.21e-03
Long. of Asc. Node (Ω)87.91568663° ± 3.44e-03
Arg. of Perihelion (ω)130.84589200° ± 4.88e-03
Mean Anomaly (M)177.80992492° ± 2.80e-01
Mean Motion (n)0.3240094188°/day ± 1.66e-04
Perihelion dist (q)1.18459671 AU ± 5.44e-04
Aphelion dist (Q)3.01427968 AU ± 1.09e-03
Orbital Period3.04196800 yr ± 1.56e-03
Physical Parameters
H (abs. magnitude)23.87
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.310″
Uncertainty3
Orbit TypeAmor
MOID0.186016 AU
Observations Used22
Oppositions1
Arc Total2021-2021
First Observation Used2021-04-09
Last Observation Used2021-06-01
Observations (22)
Date Type RA Dec Mag Band Observatory
2021-04-09 11:33:34 C 12 36 12.650 +19 10 55.61 U F51
2021-04-09 12:07:00 C 12 36 13.450 +19 10 49.13 U F51
2021-04-09 12:23:41 C 12 36 13.867 +19 10 45.89 U F51
2021-04-10 07:07:30 C 12 36 53.08 +19 07 10.3 o 291
2021-04-10 07:26:10 C 12 36 53.55 +19 07 06.3 o 291
2021-04-10 07:44:53 C 12 36 54.01 +19 07 03.1 o 291
2021-04-13 07:32:08 C 12 39 30.90 +18 48 07.5 o 291
2021-04-13 07:50:51 C 12 39 31.46 +18 48 00.7 o 291
2021-04-13 08:09:33 C 12 39 32.02 +18 47 54.6 o 291
2021-04-13 09:35:40 C 12 39 34.60 +18 47 23.9 V V06
2021-04-13 09:50:30 C 12 39 35.06 +18 47 19.0 V V06
2021-04-13 10:05:20 C 12 39 35.51 +18 47 13.7 V V06
2021-04-13 10:20:09 C 12 39 36.03 +18 47 08.1 V V06
2021-04-29 06:22:50 C 12 59 42.234 +14 34 30.70 U F51
2021-04-29 06:55:54 C 12 59 44.159 +14 33 58.44 U F51
2021-04-29 07:12:26 C 12 59 45.109 +14 33 42.27 U F51
2021-05-01 03:36:04 C 13 02 47.58 +13 47 36.9 u H21
2021-05-01 03:49:02 C 13 02 48.39 +13 47 23.0 u H21
2021-05-01 04:01:12 C 13 02 49.10 +13 47 09.6 u H21
2021-06-01 07:00:08 C 14 11 12.62 -04 05 57.9 V V06
2021-06-01 07:17:52 C 14 11 14.35 -04 06 24.4 V V06
2021-06-01 07:53:20 C 14 11 17.84 -04 07 18.2 V V06