2017 SH20

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.2322775548 ± 2.00e+00
Semi-major axis (a)	1.0399422592 AU ± 3.00e+00
Inclination (i)	41.72550220° ± 4.00e+00
Long. of Asc. Node (Ω)	5.44786981° ± 5.00e+00
Arg. of Perihelion (ω)	246.22775437° ± 6.00e+00
Mean Anomaly (M)	332.23268875° ± 7.23e-01
Mean Motion (n)	0.9293604100°/day ± 4.02e+00
Perihelion dist (q)	0.79843720 AU ± 3.10e+00
Aphelion dist (Q)	1.28146660 AU ± 4.24e+00
Orbital Period	1.06052250 yr ± 4.59e+00

Physical Parameters

H (abs. magnitude)	23.90
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-04-18
RMS Residual	0.553″
Uncertainty	3
Orbit Type	Apollo
MOID	0.076329 AU
Observations Used	15
Oppositions	1
Arc Total	2017-2017
First Observation Used	—
Last Observation Used	2017-09-30

Observations (15)

Date	Type	RA	Dec	Mag	Band	Observatory
2017-09-28 09:41:46	C	00 13 44.31	-06 08 54.6	–	L	T08
2017-09-28 09:56:29	C	00 13 28.03	-06 05 27.2	–	L	T08
2017-09-28 10:03:25	C	00 13 20.57	-06 03 50.3	–	L	T08
2017-09-28 10:12:00	C	00 13 11.07	-06 01 48.8	–	L	T08
2017-09-29 06:05:30	C	23 52 53.32	-01 30 31.3	–	o	926
2017-09-29 06:07:39	C	23 52 51.13	-01 30 02.9	–	o	926
2017-09-29 06:09:50	C	23 52 48.93	-01 29 34.2	–	o	926
2017-09-29 21:39:53	C	23 38 17.14	+01 45 48.6	19.2	o	K88
2017-09-29 21:44:10	C	23 38 13.17	+01 46 40.8	19.1	o	K88
2017-09-30 00:50:23	C	23 35 24.21	+02 24 01.8	19.7	U	104
2017-09-30 00:59:52	C	23 35 15.68	+02 25 55.1	–	U	104
2017-09-30 01:09:22	C	23 35 07.12	+02 27 47.9	19.4	U	104
2017-09-30 02:27:05	C	23 34 05.01	+02 43 14.7	–	u	H21
2017-09-30 02:31:27	C	23 34 01.09	+02 44 06.2	–	u	H21
2017-09-30 02:37:38	C	23 33 55.55	+02 45 18.7	–	u	H21