2019 SA9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.6088147571 ± 2.00e+00
Semi-major axis (a)	2.3453318842 AU ± 3.00e+00
Inclination (i)	0.68854389° ± 4.00e+00
Long. of Asc. Node (Ω)	235.16954982° ± 5.00e+00
Arg. of Perihelion (ω)	84.12689065° ± 6.00e+00
Mean Anomaly (M)	265.15810169° ± 4.79e+00
Mean Motion (n)	0.2744220000°/day ± 5.27e-01
Perihelion dist (q)	0.91745870 AU ± 4.84e+00
Aphelion dist (Q)	3.77305170 AU ± 6.73e+00
Orbital Period	3.59157680 yr ± 6.89e+00

Physical Parameters

H (abs. magnitude)	26.80
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-04-18
RMS Residual	0.268″
Uncertainty	4
Orbit Type	Apollo
MOID	0.008126 AU
Observations Used	15
Oppositions	1
Arc Total	2019-2019
First Observation Used	—
Last Observation Used	2019-10-01

Observations (15)

Date	Type	RA	Dec	Mag	Band	Observatory
2019-09-30 05:31:19	C	23 37 02.72	+11 13 49.3	–	V	G96
2019-09-30 05:39:28	C	23 37 09.52	+11 13 53.4	–	V	G96
2019-09-30 05:47:39	C	23 37 16.26	+11 13 57.8	–	V	G96
2019-09-30 05:55:50	C	23 37 22.95	+11 14 01.6	–	V	G96
2019-09-30 07:13:28	C	23 38 25.88	+11 14 30.1	–	V	H01
2019-09-30 07:18:08	C	23 38 29.66	+11 14 32.0	–	V	H01
2019-09-30 07:33:40	C	23 38 42.30	+11 14 37.9	–	V	H01
2019-09-30 07:43:18	C	23 38 50.11	+11 14 41.6	–	V	H01
2019-10-01 03:42:17	C	23 54 17.66	+11 20 28.3	–	u	H21
2019-10-01 03:57:59	C	23 54 27.82	+11 20 32.1	–	u	H21
2019-10-01 04:19:08	C	23 54 41.43	+11 20 36.6	–	u	H21
2019-10-01 05:07:12	C	23 55 16.10	+11 21 03.5	–	V	I52
2019-10-01 05:09:36	C	23 55 17.59	+11 21 03.9	–	V	I52
2019-10-01 05:12:00	C	23 55 19.10	+11 21 04.8	–	V	I52
2019-10-01 05:14:24	C	23 55 20.61	+11 21 05.1	–	V	I52