2021 KS1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.1563506653 ± 8.85e-05
Semi-major axis (a)	0.8895312657 AU ± 5.76e-05
Inclination (i)	5.81772451° ± 4.14e-03
Long. of Asc. Node (Ω)	234.61871258° ± 7.75e-04
Arg. of Perihelion (ω)	184.31538733° ± 4.94e-03
Mean Anomaly (M)	313.69143818° ± 1.94e-01
Mean Motion (n)	1.1748176159°/day ± 1.14e-04
Perihelion dist (q)	0.75045246 AU ± 9.26e-05
Aphelion dist (Q)	1.02861007 AU ± 1.03e-04
Orbital Period	0.83896110 yr ± 8.15e-05

Physical Parameters

H (abs. magnitude)	28.28
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-06-02
RMS Residual	0.299″
Uncertainty	3
Orbit Type	Aten
MOID	0.016432 AU
Observations Used	18
Oppositions	1
Arc Total	2021-2021
First Observation Used	2021-05-20
Last Observation Used	2021-05-22

Observations (18)

Date	Type	RA	Dec	Mag	Band	Observatory
2021-05-20 07:31:42	C	16 21 39.39	+04 39 03.9	–	V	G96
2021-05-20 07:39:05	C	16 21 33.98	+04 40 48.7	–	V	G96
2021-05-20 07:46:27	C	16 21 28.63	+04 42 31.6	–	V	G96
2021-05-20 08:21:16	C	16 21 01.85	+04 50 26.6	–	V	H01
2021-05-20 08:26:07	C	16 20 58.34	+04 51 34.4	–	V	H01
2021-05-20 08:41:33	C	16 20 47.24	+04 55 09.5	–	V	H01
2021-05-20 08:51:45	C	16 20 39.93	+04 57 31.4	–	V	H01
2021-05-20 10:25:16	C	16 19 34.94	+05 19 20.0	–	V	I52
2021-05-20 10:27:25	C	16 19 33.45	+05 19 49.8	–	V	I52
2021-05-20 10:29:33	C	16 19 31.95	+05 20 19.2	–	V	I52
2021-05-20 21:58:35	C	16 13 03.14	+07 56 21.7	–	V	L01
2021-05-20 22:03:09	C	16 12 59.99	+07 57 24.2	–	V	L01
2021-05-20 22:07:42	C	16 12 56.85	+07 58 25.0	–	V	L01
2021-05-20 22:12:14	C	16 12 53.74	+07 59 27.1	–	V	L01
2021-05-20 22:16:13	C	16 12 51.00	+08 00 21.0	–	V	L01
2021-05-22 08:20:51	C	15 52 51.53	+15 15 35.1	–	V	I52
2021-05-22 08:25:51	C	15 52 48.18	+15 16 33.7	–	V	I52
2021-05-22 08:30:51	C	15 52 44.67	+15 17 31.6	–	V	I52