2018 CS3

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.4148846499 ± 2.00e+00
Semi-major axis (a)	1.8822608450 AU ± 3.00e+00
Inclination (i)	6.94470779° ± 4.00e+00
Long. of Asc. Node (Ω)	159.57796617° ± 5.00e+00
Arg. of Perihelion (ω)	307.81040903° ± 6.00e+00
Mean Anomaly (M)	17.76921112° ± 5.54e-01
Mean Motion (n)	0.3817088800°/day ± 9.13e-01
Perihelion dist (q)	1.10140790 AU ± 4.15e+00
Aphelion dist (Q)	2.66283690 AU ± 5.67e+00
Orbital Period	2.58209250 yr ± 6.17e+00

Physical Parameters

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

Orbit Solution

Source	IAA
Solution Date	2026-04-18
RMS Residual	0.464″
Uncertainty	3
Orbit Type	Amor
MOID	0.148577 AU
Observations Used	16
Oppositions	1
Arc Total	2018-2018
First Observation Used	—
Last Observation Used	2018-02-16

Observations (16)

Date	Type	RA	Dec	Mag	Band	Observatory
2018-02-11 10:39:41	C	09 46 04.010	+00 13 03.39	–	U	F51
2018-02-11 10:57:04	C	09 46 05.074	+00 13 34.05	–	U	F51
2018-02-11 11:14:26	C	09 46 06.136	+00 14 04.68	–	U	F51
2018-02-11 11:31:50	C	09 46 07.204	+00 14 35.08	–	U	F51
2018-02-12 04:47:48	C	09 47 25.00	+00 44 32.3	–	q	734
2018-02-12 05:12:06	C	09 47 26.45	+00 45 16.3	–	q	734
2018-02-12 05:34:11	C	09 47 27.79	+00 45 53.4	–	q	734
2018-02-12 06:34:59	C	09 47 31.24	+00 47 38.7	–	u	H21
2018-02-12 06:45:48	C	09 47 31.88	+00 47 57.2	–	u	H21
2018-02-12 06:56:53	C	09 47 32.58	+00 48 17.0	–	u	H21
2018-02-13 06:16:13	C	09 49 12.81	+01 28 27.8	–	u	H21
2018-02-13 06:27:54	C	09 49 13.52	+01 28 47.8	–	u	H21
2018-02-13 06:51:33	C	09 49 14.93	+01 29 28.5	–	u	H21
2018-02-16 06:50:53	C	09 54 04.43	+03 29 47.5	–	U	807
2018-02-16 06:59:06	C	09 54 04.88	+03 30 00.5	–	U	807
2018-02-16 07:08:30	C	09 54 05.39	+03 30 15.7	–	U	807