877915 (2011 ME)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7271238481 ± 6.74e-08
Semi-major axis (a)1.3541709367 AU ± 1.92e-09
Inclination (i)24.84644231° ± 1.48e-05
Long. of Asc. Node (Ω)234.35811151° ± 1.74e-05
Arg. of Perihelion (ω)166.88299056° ± 1.84e-05
Mean Anomaly (M)13.40136252° ± 8.71e-06
Mean Motion (n)0.6254636042°/day ± 1.33e-09
Perihelion dist (q)0.36952095 AU ± 9.13e-08
Aphelion dist (Q)2.33882092 AU ± 9.13e-08
Orbital Period1.57583315 yr ± 3.35e-09
Physical Parameters
H (abs. magnitude)19.66
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.243″
Uncertainty0
Orbit TypeApollo
MOID0.307664 AU
Observations Used154
Oppositions5
Arc Total2010-2025
First Observation Used2010-03-26
Last Observation Used2025-07-15
Observations (160)
Date Type RA Dec Mag Band Observatory
2022-07-08 04:18:33 C 14 50 39.541 +33 35 40.67 V G96
2022-07-08 04:25:58 C 14 50 37.626 +33 35 51.00 V G96
2022-07-08 04:33:23 C 14 50 35.704 +33 36 01.40 V G96
2022-07-08 04:40:47 C 14 50 33.788 +33 36 11.81 V G96
2025-05-26 08:10:58 C 15 48 08.269 -13 12 29.02 V V00
2025-05-26 08:19:05 C 15 48 07.448 -13 12 22.68 V V00
2025-05-26 08:27:10 C 15 48 06.599 -13 12 16.20 V V00
2025-05-26 08:35:15 C 15 48 05.782 -13 12 09.94 V V00
2025-07-15 15:06:44 C 14 25 27.710 -01 31 10.06 W O18
2025-07-15 15:23:53 C 14 25 27.388 -01 31 05.82 W O18