2025 YB9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5059019067 ± 1.67e-03
Semi-major axis (a)1.7793576124 AU ± 4.79e-03
Inclination (i)6.67047912° ± 2.14e-02
Long. of Asc. Node (Ω)80.07037133° ± 3.20e-02
Arg. of Perihelion (ω)288.30749730° ± 6.53e-02
Mean Anomaly (M)20.71520195° ± 8.66e-02
Mean Motion (n)0.4152574332°/day ± 1.68e-03
Perihelion dist (q)0.87917720 AU ± 3.80e-03
Aphelion dist (Q)2.67953802 AU ± 7.80e-03
Orbital Period2.37353074 yr ± 9.58e-03
Physical Parameters
H (abs. magnitude)22.62
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.121″
Uncertainty2
Orbit TypeApollo
MOID0.043667 AU
Observations Used14
Oppositions1
Arc Total2025-2025
First Observation Used2025-12-27
Last Observation Used2025-12-30
Observations (15)
Date Type RA Dec Mag Band Observatory
2025-12-27 09:12:53 C 07 42 42.308 +29 41 59.20 X F52
2025-12-27 09:29:36 C 07 42 40.386 +29 42 10.86 X F52
2025-12-27 09:46:24 C 07 42 38.396 +29 42 23.09 X F52
2025-12-27 10:03:07 C 07 42 36.451 +29 42 34.88 X F52
2025-12-27 13:04:15 C 07 42 15.120 +29 44 38.42 V F52
2025-12-27 13:05:10 C 07 42 15.022 +29 44 39.22 V F52
2025-12-28 12:53:23 C 07 39 37.941 +30 00 25.67 V T12
2025-12-28 12:59:00 C 07 39 37.293 +30 00 29.16 V T12
2025-12-29 05:05:34 C 07 37 52.910 +30 10 57.90 V 807
2025-12-29 05:16:03 C 07 37 51.640 +30 11 04.10 V 807
2025-12-29 05:26:32 C 07 37 50.490 +30 11 10.70 V 807
2025-12-30 07:34:37 C 07 35 01.762 +30 26 34.92 W H01
2025-12-30 07:39:55 C 07 35 01.153 +30 26 38.07 W H01
2025-12-30 07:58:10 C 07 34 59.104 +30 26 48.80 W H01
2025-12-30 08:03:50 C 07 34 58.459 +30 26 52.07 W H01