855525 (2011 ET29)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4764702914 ± 4.55e-08
Semi-major axis (a)2.3719277077 AU ± 1.37e-08
Inclination (i)11.44381676° ± 9.12e-06
Long. of Asc. Node (Ω)8.37719617° ± 1.80e-05
Arg. of Perihelion (ω)227.02304696° ± 2.89e-05
Mean Anomaly (M)338.00541566° ± 8.62e-06
Mean Motion (n)0.2698112809°/day ± 2.34e-09
Perihelion dist (q)1.24177462 AU ± 1.08e-07
Aphelion dist (Q)3.50208079 AU ± 1.10e-07
Orbital Period3.65302103 yr ± 3.17e-08
Physical Parameters
H (abs. magnitude)18.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.273″
Uncertainty0
Orbit TypeAmor
MOID0.273744 AU
Observations Used195
Oppositions8
Arc Total2011-2022
First Observation Used2011-02-10
Last Observation Used2022-08-06
Observations (221)
Date Type RA Dec Mag Band Observatory
2022-05-06 05:41:55 S 10 29 11.71 +01 14 13.2 L C51
2022-05-06 08:49:52 S 10 29 17.56 +01 10 40.8 L C51
2022-05-06 10:23:45 S 10 29 20.48 +01 08 54.5 L C51
2022-05-06 12:02:20 C 10 29 23.58 +01 06 54.3 V D29
2022-05-06 12:22:42 C 10 29 24.15 +01 06 30.7 V D29
2022-05-06 12:43:04 C 10 29 24.69 +01 06 08.4 V D29
2022-05-06 18:13:43 S 10 29 35.448 +01 00 01.69 L C51
2022-05-06 21:21:41 S 10 29 41.57 +00 56 29.1 L C51
2022-05-07 00:29:38 S 10 29 47.54 +00 52 55.3 L C51
2022-05-11 07:51:27 S 10 33 41.798 -01 06 12.92 L C51
2022-05-14 05:24:49 C 10 36 52.744 -02 28 01.85 V G96
2022-05-14 05:32:13 C 10 36 53.125 -02 28 11.14 V G96
2022-05-14 05:39:37 C 10 36 53.464 -02 28 19.99 V G96
2022-05-14 05:47:00 C 10 36 53.809 -02 28 28.45 V G96
2022-05-31 03:28:26 C 11 03 48.593 -10 44 08.34 V G96
2022-05-31 03:43:54 C 11 03 49.824 -10 44 27.42 V G96
2022-05-31 03:51:29 C 11 03 50.429 -10 44 37.00 V G96
2022-05-31 03:59:04 C 11 03 51.048 -10 44 46.21 V G96
2022-08-06 00:23:36 C 14 49 34.61 -37 23 33.1 u 807
2022-08-06 00:32:15 C 14 49 36.22 -37 23 37.3 u 807
2022-08-06 00:40:52 C 14 49 37.72 -37 23 40.8 u 807