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
2011-02-10 12:55:20 C 10 30 33.69 +28 13 02.2 V F51
2011-02-10 13:14:59 C 10 30 32.62 +28 13 06.5 V F51
2011-02-14 09:50:48 C 10 25 29.02 +28 32 14.8 V F51
2011-02-14 10:10:26 C 10 25 27.81 +28 32 18.5 V F51
2011-03-07 23:45:24 C 09 50 50.97 +28 44 30.5 o 461
2011-03-07 23:57:20 C 09 50 50.22 +28 44 27.8 o 461
2011-03-08 00:09:16 C 09 50 49.37 +28 44 26.0 o 461
2011-03-08 22:13:26 C 09 49 21.48 +28 40 12.6 o 461
2011-03-08 22:25:22 C 09 49 20.65 +28 40 10.0 o 461
2011-03-08 22:37:18 C 09 49 19.84 +28 40 07.9 o 461
2011-03-09 18:02:08 C 09 48 03.94 +28 36 01.0 o 461
2011-03-09 18:09:24 C 09 48 03.41 +28 35 59.7 o 461
2011-03-09 18:22:11 C 09 48 02.60 +28 35 57.0 o 461
2011-03-09 21:02:51 C 09 47 51.95 +28 35 21.4 u J95
2011-03-09 21:25:25 C 09 47 50.43 +28 35 16.1 u J95
2011-03-09 22:05:26 C 09 47 47.72 +28 35 09.4 v I93
2011-03-09 22:13:21 C 09 47 47.20 +28 35 07.7 v I93
2011-03-09 22:20:29 C 09 47 46.71 +28 35 06.2 v I93
2011-03-09 22:46:40 C 09 47 44.94 +28 35 00.0 v I93
2011-03-09 22:54:05 C 09 47 44.25 +28 34 57.2 u 595
2011-03-09 23:12:08 C 09 47 43.04 +28 34 52.7 u 595
2011-03-10 04:32:19 C 09 47 22.93 +28 33 42.6 o G58
2011-03-10 04:42:51 C 09 47 22.20 +28 33 40.6 o G58
2011-03-10 04:52:47 C 09 47 21.56 +28 33 38.5 o G58
2011-03-13 05:28:15 C 09 42 47.62 +28 14 45.7 o H21
2011-03-13 05:33:56 C 09 42 47.29 +28 14 43.9 o H21
2011-03-13 05:40:21 C 09 42 46.90 +28 14 41.9 o H21
2011-03-20 04:50:48 C 09 33 38.37 +27 14 33.6 u 448
2011-03-20 05:34:06 C 09 33 36.04 +27 14 13.5 u 448
2011-03-20 06:16:37 C 09 33 33.91 +27 13 54.8 u 448
2011-03-27 02:47:30 C 09 26 53.69 +25 54 07.3 u 448
2011-03-27 03:47:59 C 09 26 51.45 +25 53 34.3 u 448
2011-03-27 04:54:52 C 09 26 49.05 +25 52 56.8 u 448
2011-04-02 02:50:03 C 09 23 12.57 +24 30 12.5 u 448
2011-04-02 03:56:45 C 09 23 10.94 +24 29 27.8 u 448
2011-04-02 05:01:15 C 09 23 09.59 +24 28 47.8 u 448
2011-04-10 01:25:27 C 09 21 35.21 +22 22 31.2 o H21
2011-04-10 01:49:22 C 09 21 35.16 +22 22 13.8 o H21
2011-04-10 02:02:12 C 09 21 35.12 +22 22 05.0 o H21
2011-05-18 00:00:25 C 09 57 21.70 +09 14 08.1 o 807
2011-05-18 00:05:29 C 09 57 22.03 +09 14 03.0 o 807
2011-05-25 06:36:08 C 10 10 31.112 +06 14 06.66 L F51
2011-05-25 06:42:46 C 10 10 31.638 +06 13 59.49 L F51
2011-05-25 06:49:26 C 10 10 32.159 +06 13 52.23 L F51
2011-05-25 06:56:05 C 10 10 32.662 +06 13 45.50 L F51
2011-06-27 23:59:42 C 11 31 02.11 -09 17 28.3 o 807
2011-06-28 00:03:56 C 11 31 02.60 -09 17 33.7 o 807
2015-07-21 14:15:36 C 00 08 19.141 -12 21 59.14 t 568
2015-07-21 14:17:51 C 00 08 19.118 -12 21 59.16 t 568
2015-07-21 14:20:07 C 00 08 19.090 -12 21 59.18 t 568