8507 (1991 CB1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5947797394 ± 1.74e-08
Semi-major axis (a)1.6873346431 AU ± 1.37e-09
Inclination (i)14.60088631° ± 2.63e-06
Long. of Asc. Node (Ω)317.36128812° ± 1.25e-05
Arg. of Perihelion (ω)345.84290119° ± 1.30e-05
Mean Anomaly (M)189.18650153° ± 3.15e-06
Mean Motion (n)0.4496871125°/day ± 5.47e-10
Perihelion dist (q)0.68374218 AU ± 2.94e-08
Aphelion dist (Q)2.69092710 AU ± 2.95e-08
Orbital Period2.19180460 yr ± 2.67e-09
Physical Parameters
H (abs. magnitude)17.22
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.331″
Uncertainty0
Orbit TypeApollo
MOID0.221029 AU
Observations Used772
Oppositions19
Arc Total1991-2026
First Observation Used1991-02-15
Last Observation Used2026-03-23
Observations (807)
Date Type RA Dec Mag Band Observatory
2026-03-16 03:40:25 C 08 29 05.435 +16 40 33.35 V G96
2026-03-16 03:48:39 C 08 29 05.154 +16 40 33.31 V G96
2026-03-16 03:56:51 C 08 29 04.852 +16 40 32.30 V G96
2026-03-23 03:52:05 C 08 24 09.464 +16 38 04.99 V V00
2026-03-23 04:00:08 C 08 24 09.248 +16 38 04.63 V V00
2026-03-23 04:08:10 C 08 24 09.054 +16 38 04.42 V V00
2026-03-23 04:16:13 C 08 24 08.852 +16 38 04.13 V V00