2015 BL509

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5991127870 ± 1.57e-07
Semi-major axis (a)1.1435148245 AU ± 6.73e-09
Inclination (i)50.18334422° ± 2.18e-05
Long. of Asc. Node (Ω)306.25047515° ± 5.28e-06
Arg. of Perihelion (ω)1.71837789° ± 2.74e-05
Mean Anomaly (M)132.71652515° ± 7.67e-05
Mean Motion (n)0.8060269769°/day ± 7.12e-09
Perihelion dist (q)0.45842047 AU ± 1.79e-07
Aphelion dist (Q)1.82860918 AU ± 1.79e-07
Orbital Period1.22282047 yr ± 1.08e-08
Physical Parameters
H (abs. magnitude)20.24
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.198″
Uncertainty0
Orbit TypeApollo
MOID0.558469 AU
Observations Used56
Oppositions2
Arc Total2015-2026
First Observation Used2015-01-18
Last Observation Used2026-02-16
Observations (65)
Date Type RA Dec Mag Band Observatory
2025-01-08 06:48:41 C 10 52 05.020 -20 49 26.80 V 807
2025-01-08 07:08:43 C 10 52 04.050 -20 49 57.50 V 807
2026-02-08 05:33:06 C 08 02 37.482 +08 57 17.32 V G96
2026-02-08 05:41:10 C 08 02 36.341 +08 57 13.25 V G96
2026-02-08 05:49:13 C 08 02 35.164 +08 57 10.15 V G96
2026-02-08 05:57:16 C 08 02 34.091 +08 57 05.87 V G96
2026-02-11 02:59:11 C 07 53 03.18 +08 24 37.4 V H21
2026-02-11 03:05:19 C 07 53 02.34 +08 24 34.5 V H21
2026-02-12 02:53:54 C 07 49 52.97 +08 13 39.0 V H21
2026-02-12 02:57:14 C 07 49 52.57 +08 13 37.6 V H21
2026-02-14 02:55:38 C 07 43 44.06 +07 52 06.0 V H21
2026-02-14 03:04:06 C 07 43 42.95 +07 52 02.0 V H21
2026-02-14 03:07:59 C 07 43 42.45 +07 51 59.9 V H21
2026-02-16 02:38:16 C 07 37 55.67 +07 31 21.8 V H21
2026-02-16 02:42:00 C 07 37 55.22 +07 31 20.2 V H21