2021 GK16

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.5257505216 ± 3.29e-04
Semi-major axis (a)	2.5670081923 AU ± 2.14e-03
Inclination (i)	7.50369372° ± 3.35e-03
Long. of Asc. Node (Ω)	167.19835614° ± 8.06e-03
Arg. of Perihelion (ω)	18.28776529° ± 1.72e-02
Mean Anomaly (M)	49.41528583° ± 4.96e-01
Mean Motion (n)	0.2396466675°/day ± 3.00e-04
Perihelion dist (q)	1.21740230 AU ± 1.32e-03
Aphelion dist (Q)	3.91661409 AU ± 3.38e-03
Orbital Period	4.11283117 yr ± 5.15e-03

Physical Parameters

H (abs. magnitude)	23.58
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-06-02
RMS Residual	0.248″
Uncertainty	3
Orbit Type	Amor
MOID	0.224208 AU
Observations Used	15
Oppositions	1
Arc Total	2021-2021
First Observation Used	2021-04-12
Last Observation Used	2021-05-09

Observations (15)

Date	Type	RA	Dec	Mag	Band	Observatory
2021-04-12 09:58:09	C	15 20 33.96	+06 30 09.9	–	V	G96
2021-04-12 10:25:01	C	15 20 35.60	+06 30 24.1	–	V	G96
2021-04-12 10:31:13	C	15 20 35.99	+06 30 28.4	–	V	G96
2021-04-14 13:17:37	C	15 23 57.829	+06 56 22.33	–	U	F51
2021-04-14 13:34:46	C	15 23 58.748	+06 56 30.36	–	U	F51
2021-04-14 14:02:37	C	15 24 00.230	+06 56 43.31	–	U	F51
2021-04-16 08:18:14	C	15 26 31.72	+07 15 33.9	–	u	H21
2021-04-16 08:35:28	C	15 26 32.59	+07 15 40.9	–	u	H21
2021-04-16 14:35:10	C	15 26 51.901	+07 18 21.51	–	V	568
2021-04-16 14:36:54	C	15 26 51.985	+07 18 22.21	–	V	568
2021-04-16 14:38:40	C	15 26 52.071	+07 18 22.93	–	V	568
2021-04-16 14:40:25	C	15 26 52.154	+07 18 23.64	–	V	568
2021-05-09 06:32:09	C	15 41 50.17	+08 03 47.7	–	V	V06
2021-05-09 06:52:40	C	15 41 50.24	+08 03 42.7	–	V	V06
2021-05-09 07:13:11	C	15 41 50.30	+08 03 38.7	–	V	V06