2025 SY1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2463581941 ± 2.05e-05
Semi-major axis (a)0.9437510308 AU ± 3.17e-06
Inclination (i)3.94681720° ± 3.36e-04
Long. of Asc. Node (Ω)176.65760067° ± 6.22e-05
Arg. of Perihelion (ω)298.13410311° ± 8.63e-04
Mean Anomaly (M)335.83588521° ± 2.90e-03
Mean Motion (n)1.0750436981°/day ± 5.41e-06
Perihelion dist (q)0.71125023 AU ± 1.95e-05
Aphelion dist (Q)1.17625183 AU ± 1.97e-05
Orbital Period0.91682439 yr ± 4.61e-06
Physical Parameters
H (abs. magnitude)31.65
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.637″
Uncertainty1
Orbit TypeAten
MOID0.000922 AU
Observations Used63
Oppositions1
Arc Total2025-2025
First Observation Used2025-09-18
Last Observation Used2025-09-19
Observations (63)
Date Type RA Dec Mag Band Observatory
2025-09-19 02:21:53 C 00 13 06.06 +21 11 24.0 V K88
2025-09-19 02:23:35 C 00 13 02.03 +21 14 29.5 V K88
2025-09-19 02:31:23 C 00 12 43.18 +21 28 49.5 V K88
2025-09-19 02:32:45 C 00 12 39.82 +21 31 24.4 V K88
2025-09-19 02:37:18 C 00 12 28.57 +21 40 01.6 V K88
2025-09-19 02:38:41 C 00 12 25.15 +21 42 40.2 V K88
2025-09-19 02:40:15 C 00 12 21.29 +21 45 41.3 V K88
2025-09-19 02:49:46 C 00 11 57.27 +22 04 22.9 V K88
2025-09-19 03:57:12 C 00 18 50.23 +25 15 32.5 V H21
2025-09-19 03:58:44 C 00 18 46.29 +25 20 10.8 V H21
2025-09-19 04:00:16 C 00 18 42.29 +25 24 51.3 V H21
2025-09-19 04:03:19 C 00 18 34.13 +25 34 17.9 V H21
2025-09-19 04:04:51 C 00 18 30.01 +25 39 03.7 V H21