1999 RP28

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2403039547 ± 8.59e-07
Semi-major axis (a)1.4752629497 AU ± 4.36e-08
Inclination (i)9.23224947° ± 4.05e-05
Long. of Asc. Node (Ω)174.11070714° ± 2.23e-05
Arg. of Perihelion (ω)144.97163414° ± 2.62e-04
Mean Anomaly (M)240.52176409° ± 3.81e-04
Mean Motion (n)0.5500575409°/day ± 2.44e-08
Perihelion dist (q)1.12075143 AU ± 1.27e-06
Aphelion dist (Q)1.82977447 AU ± 1.27e-06
Orbital Period1.79186032 yr ± 7.93e-08
Physical Parameters
H (abs. magnitude)22.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.422″
Uncertainty0
Orbit TypeAmor
MOID0.129992 AU
Observations Used54
Oppositions11
Arc Total1999-2024
First Observation Used1999-09-07
Last Observation Used2024-06-02
Observations (56)
Date Type RA Dec Mag Band Observatory
2024-05-09 09:49:20 C 14 22 08.485 +09 45 09.15 V T14
2024-05-09 09:51:04 C 14 22 08.385 +09 45 10.61 V T14
2024-05-09 09:52:49 C 14 22 08.277 +09 45 12.17 V T14
2024-06-02 07:11:01 C 13 59 44.77 +14 18 12.1 V 291
2024-06-02 07:38:02 C 13 59 44.08 +14 18 13.9 V 291
2024-06-02 08:05:07 C 13 59 43.56 +14 18 17.0 V 291