2021 GJ13

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.6854270870 ± 1.05e-03
Semi-major axis (a)	2.6019667068 AU ± 7.84e-03
Inclination (i)	32.14492897° ± 3.32e-02
Long. of Asc. Node (Ω)	129.91498517° ± 8.71e-02
Arg. of Perihelion (ω)	345.56193528° ± 3.38e-03
Mean Anomaly (M)	58.10547029° ± 1.92e+00
Mean Motion (n)	0.2348332958°/day ± 1.06e-03
Perihelion dist (q)	0.81850825 AU ± 3.68e-03
Aphelion dist (Q)	4.38542517 AU ± 1.35e-02
Orbital Period	4.19713176 yr ± 1.90e-02

Physical Parameters

H (abs. magnitude)	20.00
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-06-02
RMS Residual	0.200″
Uncertainty	4
Orbit Type	Apollo
MOID	0.153428 AU
Observations Used	15
Oppositions	1
Arc Total	2021-2021
First Observation Used	2021-04-11
Last Observation Used	2021-04-16

Observations (15)

Date	Type	RA	Dec	Mag	Band	Observatory
2021-04-11 11:39:47	C	17 06 19.41	+41 18 51.6	–	V	V00
2021-04-11 11:45:53	C	17 06 18.98	+41 18 53.7	–	V	V00
2021-04-11 11:51:57	C	17 06 18.56	+41 18 56.2	–	V	V00
2021-04-11 11:58:02	C	17 06 18.14	+41 18 58.6	–	V	V00
2021-04-13 08:10:27	C	17 03 15.36	+41 34 50.6	–	V	V06
2021-04-13 08:16:09	C	17 03 14.95	+41 34 52.4	–	V	V06
2021-04-13 08:21:51	C	17 03 14.51	+41 34 54.7	–	V	V06
2021-04-13 08:27:34	C	17 03 14.09	+41 34 56.4	–	V	V06
2021-04-14 11:26:57	C	17 01 17.13	+41 43 39.7	–	V	V06
2021-04-14 11:34:56	C	17 01 16.54	+41 43 41.5	–	V	V06
2021-04-14 11:42:55	C	17 01 15.92	+41 43 44.4	–	V	V06
2021-04-14 11:50:54	C	17 01 15.28	+41 43 46.9	–	V	V06
2021-04-16 08:56:24	C	16 57 54.09	+41 56 31.1	–	u	H21
2021-04-16 09:05:09	C	16 57 53.38	+41 56 33.3	–	u	H21
2021-04-16 09:09:32	C	16 57 53.03	+41 56 34.8	–	u	H21