2017 AF21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.3700466377 ± 6.21e-05
Semi-major axis (a)	1.8019883715 AU ± 2.22e-04
Inclination (i)	2.47831746° ± 3.69e-04
Long. of Asc. Node (Ω)	204.43880585° ± 5.02e-03
Arg. of Perihelion (ω)	242.63211480° ± 7.19e-03
Mean Anomaly (M)	249.76525658° ± 2.45e-01
Mean Motion (n)	0.4074593612°/day ± 7.53e-05
Perihelion dist (q)	1.13516863 AU ± 1.79e-04
Aphelion dist (Q)	2.46880811 AU ± 3.24e-04
Orbital Period	2.41895604 yr ± 4.47e-04

Physical Parameters

H (abs. magnitude)	24.70
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-06-02
RMS Residual	0.251″
Uncertainty	3
Orbit Type	Amor
MOID	0.155763 AU
Observations Used	16
Oppositions	1
Arc Total	2017-2017
First Observation Used	2017-01-04
Last Observation Used	2017-02-02

Observations (16)

Date	Type	RA	Dec	Mag	Band	Observatory
2017-01-04 10:09:30	C	08 08 37.797	+04 16 21.73	–	L	F51
2017-01-04 10:28:11	C	08 08 38.402	+04 16 20.92	–	L	F51
2017-01-04 10:46:47	C	08 08 38.954	+04 16 19.99	–	L	F51
2017-01-04 11:05:31	C	08 08 39.542	+04 16 19.25	–	L	F51
2017-01-07 07:00:14	C	08 11 26.46	+04 15 46.0	–	o	291
2017-01-07 07:16:22	C	08 11 26.89	+04 15 46.2	–	o	291
2017-01-07 07:32:32	C	08 11 27.32	+04 15 46.6	–	o	291
2017-01-20 11:02:59	C	08 20 16.974	+05 16 25.03	–	L	F51
2017-01-20 11:22:23	C	08 20 17.158	+05 16 31.13	–	L	F51
2017-01-20 11:58:17	C	08 20 17.488	+05 16 42.66	–	L	F51
2017-01-29 11:04:23	C	08 24 12.390	+06 38 01.22	–	L	F51
2017-01-29 11:20:24	C	08 24 12.513	+06 38 07.38	–	L	F51
2017-01-29 11:36:21	C	08 24 12.616	+06 38 14.19	–	L	F51
2017-02-02 09:32:30	C	08 25 54.301	+07 18 05.64	–	L	F51
2017-02-02 10:11:37	C	08 25 54.668	+07 18 22.81	–	L	F51
2017-02-02 10:31:26	C	08 25 54.840	+07 18 31.49	–	L	F51