2021 GN9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.4047305971 ± 4.55e-04
Semi-major axis (a)	0.9417571759 AU ± 3.57e-05
Inclination (i)	9.64486161° ± 1.52e-02
Long. of Asc. Node (Ω)	31.24729700° ± 6.95e-03
Arg. of Perihelion (ω)	342.32355735° ± 1.79e-03
Mean Anomaly (M)	214.42769529° ± 1.37e-01
Mean Motion (n)	1.0784595710°/day ± 6.13e-05
Perihelion dist (q)	0.56059923 AU ± 4.29e-04
Aphelion dist (Q)	1.32291512 AU ± 4.32e-04
Orbital Period	0.91392047 yr ± 5.19e-05

Physical Parameters

H (abs. magnitude)	23.26
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-06-02
RMS Residual	0.171″
Uncertainty	3
Orbit Type	Aten
MOID	0.103239 AU
Observations Used	17
Oppositions	1
Arc Total	2021-2021
First Observation Used	2021-03-20
Last Observation Used	2021-04-13

Observations (17)

Date	Type	RA	Dec	Mag	Band	Observatory
2021-03-20 12:49:50	C	14 46 28.379	-04 23 44.46	–	V	F51
2021-03-20 13:07:20	C	14 46 26.909	-04 23 42.53	–	V	F51
2021-03-20 13:24:53	C	14 46 25.429	-04 23 40.73	–	V	F51
2021-03-20 13:42:23	C	14 46 23.960	-04 23 38.74	–	V	F51
2021-04-10 10:17:44	C	13 40 41.819	-02 58 48.80	–	U	F51
2021-04-10 10:41:24	C	13 40 37.433	-02 58 43.90	–	U	F51
2021-04-10 10:58:38	C	13 40 34.199	-02 58 40.69	–	U	F51
2021-04-10 11:15:51	C	13 40 31.025	-02 58 36.70	–	U	F51
2021-04-11 06:14:23	C	13 37 07.95	-02 54 50.5	–	V	I52
2021-04-11 06:24:04	C	13 37 06.21	-02 54 49.4	–	V	I52
2021-04-11 06:33:46	C	13 37 04.34	-02 54 46.9	–	V	I52
2021-04-13 09:48:24	C	13 27 42.942	-02 44 26.81	–	V	568
2021-04-13 09:51:14	C	13 27 42.397	-02 44 26.20	–	V	568
2021-04-13 09:52:39	C	13 27 42.124	-02 44 25.91	–	V	568
2021-04-13 09:54:03	C	13 27 41.853	-02 44 25.67	–	V	568
2021-04-13 09:56:53	C	13 27 41.310	-02 44 25.08	–	V	568
2021-04-13 09:58:17	C	13 27 41.040	-02 44 24.78	–	V	568