2025 SY2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1923047575 ± 6.41e-05
Semi-major axis (a)1.3289196371 AU ± 1.22e-04
Inclination (i)21.23808185° ± 3.48e-03
Long. of Asc. Node (Ω)177.06993614° ± 3.44e-04
Arg. of Perihelion (ω)187.33253855° ± 2.18e-03
Mean Anomaly (M)33.55444804° ± 3.12e-03
Mean Motion (n)0.6433750244°/day ± 8.84e-05
Perihelion dist (q)1.07336207 AU ± 1.30e-04
Aphelion dist (Q)1.58447721 AU ± 1.68e-04
Orbital Period1.53196230 yr ± 2.10e-04
Physical Parameters
H (abs. magnitude)23.43
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.255″
Uncertainty1
Orbit TypeAmor
MOID0.068665 AU
Observations Used91
Oppositions1
Arc Total2025-2025
First Observation Used2025-09-17
Last Observation Used2025-10-21
Observations (94)
Date Type RA Dec Mag Band Observatory
2025-09-17 04:29:31 C 21 36 54.902 +10 18 09.83 U I41
2025-09-17 05:38:43 C 21 37 09.630 +10 06 48.86 U I41
2025-09-20 00:35:28 C 21 54 00.79 -01 34 10.5 V W94
2025-09-20 00:44:32 C 21 54 02.97 -01 35 49.0 V W94
2025-09-20 00:53:33 C 21 54 05.10 -01 37 28.1 V W94
2025-09-20 03:55:22 C 21 54 52.94 -02 12 41.7 X U63
2025-09-20 04:03:00 B 21 54 50.710 -02 13 58.37 W 932
2025-09-20 04:14:27 B 21 54 53.491 -02 16 04.04 W 932
2025-09-20 04:16:51 C 21 54 58.21 -02 16 37.6 X U63
2025-09-20 04:18:16 B 21 54 54.377 -02 16 45.66 W 932
2025-09-20 04:40:47 C 21 54 59.250 -02 18 46.40 V 807
2025-09-20 04:44:09 C 21 55 00.060 -02 19 23.40 V 807
2025-09-20 04:46:31 C 21 55 05.51 -02 22 03.1 X U63
2025-09-20 04:47:42 C 21 55 00.920 -02 20 02.20 V 807
2025-09-20 05:00:55 C 21 55 08.940 -02 24 22.48 U I41
2025-09-20 06:59:50 C 21 55 37.351 -02 46 07.40 U I41
2025-09-20 18:07:21 B 21 58 40.85 -04 48 56.1 X M45
2025-09-20 18:14:04 B 21 58 42.53 -04 50 10.3 X M45
2025-09-20 18:20:38 B 21 58 44.15 -04 51 22.8 X M45
2025-09-20 18:21:04 C 21 58 44.37 -04 51 28.9 Z L04
2025-09-20 18:32:08 C 21 58 47.16 -04 53 31.1 Z L04
2025-09-20 18:42:45 C 21 58 49.84 -04 55 28.4 Z L04
2025-09-20 18:47:07 B 21 58 51.68 -04 56 14.2 X 595
2025-09-20 18:50:24 B 21 58 52.53 -04 56 50.7 X 595
2025-09-20 18:53:50 B 21 58 53.41 -04 57 28.9 X 595
2025-09-20 18:54:12 B 21 58 52.93 -04 57 37.2 V G02
2025-09-20 19:01:01 C 21 58 55.085 -04 58 54.60 X 033
2025-09-20 19:02:48 C 21 58 55.528 -04 59 13.80 X 033
2025-09-20 19:03:51 B 21 58 55.41 -04 59 24.1 V G02
2025-09-20 19:04:36 C 21 58 55.996 -04 59 34.00 X 033
2025-09-20 19:06:23 C 21 58 56.435 -04 59 53.20 X 033
2025-09-20 19:13:51 B 21 58 57.90 -05 01 14.1 V G02
2025-09-20 19:15:25 C 21 58 57.64 -05 01 31.9 X L18
2025-09-20 19:26:15 C 21 59 00.38 -05 03 31.0 X L18
2025-09-20 19:26:59 B 21 59 01.547 -05 03 41.75 W G34
2025-09-20 19:36:42 B 21 59 03.947 -05 05 27.69 W G34
2025-09-20 19:37:01 C 21 59 03.07 -05 05 29.9 X L18
2025-09-20 19:58:31 B 21 59 09.438 -05 09 29.28 W G34
2025-09-20 20:03:46 B 21 59 11.018 -05 10 17.11 W L47
2025-09-20 20:04:17 C 21 59 11.431 -05 10 28.52 W 151
2025-09-20 20:06:04 C 21 59 11.890 -05 10 48.61 W 151
2025-09-20 20:06:16 C 21 59 11.909 -05 10 50.70 W 151
2025-09-20 20:06:52 B 21 59 11.827 -05 10 51.53 W L47
2025-09-20 20:08:14 C 21 59 12.434 -05 11 13.99 W 151
2025-09-20 20:09:59 B 21 59 12.612 -05 11 26.30 W L47
2025-09-20 20:10:02 C 21 59 12.797 -05 11 32.17 W 151
2025-09-20 20:10:14 C 21 59 12.845 -05 11 34.58 W 151
2025-09-20 20:15:31 C 21 59 13.80 -05 12 30.6 V L01
2025-09-20 20:17:40 C 21 59 14.35 -05 12 54.1 V L01
2025-09-20 20:17:55 B 21 59 14.348 -05 13 03.89 W G34