2025 SJ16

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4084816285 ± 1.59e-03
Semi-major axis (a)2.1093908163 AU ± 7.03e-03
Inclination (i)6.69701861° ± 2.21e-02
Long. of Asc. Node (Ω)176.48727562° ± 4.12e-03
Arg. of Perihelion (ω)204.94669604° ± 1.43e-01
Mean Anomaly (M)10.67439093° ± 7.82e-02
Mean Motion (n)0.3217189924°/day ± 1.61e-03
Perihelion dist (q)1.24774342 AU ± 5.35e-03
Aphelion dist (Q)2.97103821 AU ± 1.05e-02
Orbital Period3.06362480 yr ± 1.53e-02
Physical Parameters
H (abs. magnitude)24.03
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.281″
Uncertainty2
Orbit TypeAmor
MOID0.252595 AU
Observations Used19
Oppositions1
Arc Total2025-2025
First Observation Used2025-09-25
Last Observation Used2025-09-29
Observations (19)
Date Type RA Dec Mag Band Observatory
2025-09-25 17:31:18 B 00 08 45.03 -02 33 25.3 X N94
2025-09-25 17:48:29 B 00 08 45.82 -02 33 40.6 X N94
2025-09-25 18:05:41 B 00 08 46.60 -02 33 55.6 X N94
2025-09-28 05:13:37 C 00 11 57.47 -03 28 00.5 V H21
2025-09-28 05:34:21 C 00 11 58.48 -03 28 20.1 V H21
2025-09-28 17:37:40 B 00 12 38.04 -03 39 24.9 X N94
2025-09-28 17:54:53 B 00 12 38.86 -03 39 40.8 X N94
2025-09-28 18:12:07 B 00 12 39.68 -03 39 56.6 X N94
2025-09-29 00:49:50 C 00 13 00.995 -03 46 00.30 X 033
2025-09-29 00:55:02 C 00 13 01.265 -03 46 05.30 X 033
2025-09-29 01:00:14 C 00 13 01.517 -03 46 10.30 X 033
2025-09-29 01:55:35 C 00 13 06.490 -03 46 18.50 V 807
2025-09-29 02:13:56 C 00 13 07.410 -03 46 35.50 V 807
2025-09-29 02:32:16 C 00 13 08.260 -03 46 52.20 V 807
2025-09-29 04:08:37 C 00 13 13.26 -03 48 57.8 V H21
2025-09-29 04:13:04 C 00 13 13.48 -03 49 01.9 V H21
2025-09-29 07:23:49 C 00 13 23.254 -03 51 53.03 V I52
2025-09-29 07:37:12 C 00 13 23.873 -03 52 05.12 V I52
2025-09-29 08:03:59 C 00 13 25.136 -03 52 30.25 V I52