2025 YQ9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1450817438 ± 3.42e-05
Semi-major axis (a)0.9828724618 AU ± 6.83e-05
Inclination (i)21.25392189° ± 1.73e-02
Long. of Asc. Node (Ω)105.49047146° ± 2.98e-03
Arg. of Perihelion (ω)156.23059454° ± 1.09e-02
Mean Anomaly (M)159.90277745° ± 2.11e-02
Mean Motion (n)1.0115014867°/day ± 1.05e-04
Perihelion dist (q)0.84027561 AU ± 6.74e-05
Aphelion dist (Q)1.12546931 AU ± 8.51e-05
Orbital Period0.97441902 yr ± 1.02e-04
Physical Parameters
H (abs. magnitude)23.99
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.116″
Uncertainty2
Orbit TypeAten
MOID0.122987 AU
Observations Used18
Oppositions1
Arc Total2025-2025
First Observation Used2025-12-25
Last Observation Used2025-12-31
Observations (19)
Date Type RA Dec Mag Band Observatory
2025-12-25 11:46:27 C 06 16 35.055 -09 56 13.98 V F51
2025-12-28 11:12:40 C 06 01 59.361 -04 47 26.72 X F52
2025-12-28 11:22:06 C 06 01 57.244 -04 46 43.40 X F52
2025-12-28 11:40:46 C 06 01 53.019 -04 45 17.09 X F52
2025-12-28 14:02:16 C 06 01 21.455 -04 34 20.34 V F51
2025-12-29 02:44:58 C 05 58 43.370 -03 33 59.40 V 807
2025-12-29 02:53:12 C 05 58 41.510 -03 33 20.60 V 807
2025-12-29 03:01:25 C 05 58 39.640 -03 32 41.70 V 807
2025-12-29 10:38:28 C 05 56 59.731 -02 57 15.06 V F51
2025-12-30 02:09:09 C 05 53 40.470 -01 41 17.80 V 807
2025-12-30 02:14:05 C 05 53 39.330 -01 40 53.80 V 807
2025-12-30 02:28:52 C 05 53 35.970 -01 39 40.60 V 807
2025-12-30 05:53:34 C 05 52 50.400 -01 23 58.93 W H01
2025-12-30 05:58:43 C 05 52 49.207 -01 23 33.35 W H01
2025-12-30 06:16:10 C 05 52 45.142 -01 22 07.66 W H01
2025-12-30 06:26:29 C 05 52 42.747 -01 21 16.71 W H01
2025-12-31 01:07:16 C 05 48 38.720 +00 12 47.30 V 807
2025-12-31 01:15:29 C 05 48 36.790 +00 13 28.50 V 807
2025-12-31 01:23:43 C 05 48 34.880 +00 14 10.20 V 807