2025 YP9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5999483395 ± 6.66e-04
Semi-major axis (a)2.2077910817 AU ± 3.65e-03
Inclination (i)26.86600739° ± 2.00e-02
Long. of Asc. Node (Ω)106.59375443° ± 2.30e-03
Arg. of Perihelion (ω)60.73207025° ± 1.01e-02
Mean Anomaly (M)330.76000845° ± 7.72e-02
Mean Motion (n)0.3004521486°/day ± 7.46e-04
Perihelion dist (q)0.88323049 AU ± 2.07e-03
Aphelion dist (Q)3.53235168 AU ± 6.03e-03
Orbital Period3.28047673 yr ± 8.14e-03
Physical Parameters
H (abs. magnitude)22.31
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.471″
Uncertainty2
Orbit TypeApollo
MOID0.081178 AU
Observations Used63
Oppositions1
Arc Total2025-2026
First Observation Used2025-12-28
Last Observation Used2026-01-12
Observations (63)
Date Type RA Dec Mag Band Observatory
2026-01-09 07:39:48 C 05 27 07.387 +19 20 12.73 V T05
2026-01-09 07:44:23 C 05 27 05.882 +19 20 53.74 V T05
2026-01-09 08:35:22 C 05 26 49.186 +19 28 16.57 V T05
2026-01-10 18:13:04 C 05 15 24.437 +24 39 17.10 X 033
2026-01-10 18:13:39 C 05 15 24.239 +24 39 22.70 X 033
2026-01-10 18:13:56 C 05 15 24.127 +24 39 25.00 X 033
2026-01-10 21:11:29 B 05 14 14.933 +25 08 51.76 X K19
2026-01-10 21:16:41 B 05 14 12.948 +25 09 44.68 X K19
2026-01-10 21:21:53 B 05 14 10.922 +25 10 35.18 X K19
2026-01-12 04:16:50 B 05 01 13.238 +30 32 26.87 V U52
2026-01-12 04:22:20 B 05 01 10.647 +30 33 26.20 V U52
2026-01-12 04:31:50 B 05 01 06.020 +30 35 10.49 V U52
2026-01-12 04:37:21 B 05 01 03.389 +30 36 09.84 V U52