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
2015-07-21 14:22:21 C 00 08 19.067 -12 21 59.20 t 568
2015-07-22 13:54:15 C 00 08 05.286 -12 22 14.40 t 568
2015-07-22 13:56:14 C 00 08 05.259 -12 22 14.46 t 568
2015-07-22 13:58:15 C 00 08 05.233 -12 22 14.56 t 568
2015-08-14 11:55:47 C 23 51 45.271 -13 06 05.23 L F51
2015-08-14 12:13:26 C 23 51 44.420 -13 06 07.50 L F51
2015-08-14 12:31:02 C 23 51 43.561 -13 06 09.47 L F51
2015-08-14 12:48:42 C 23 51 42.686 -13 06 11.72 L F51
2015-08-21 11:04:29 C 23 43 13.806 -13 26 49.83 L F51
2015-08-21 11:22:05 C 23 43 12.809 -13 26 51.98 L F51
2015-08-21 11:39:46 C 23 43 11.820 -13 26 54.20 L F51
2015-08-21 11:57:23 C 23 43 10.834 -13 26 56.16 L F51
2018-01-14 05:45:18 C 07 04 26.15 +40 54 57.6 u H21
2018-01-14 05:57:38 C 07 04 25.32 +40 54 58.2 u H21
2018-01-14 06:13:21 C 07 04 24.30 +40 54 58.6 u H21
2022-02-12 04:58:25 C 11 39 55.97 +18 25 56.3 X C95
2022-02-12 05:15:08 C 11 39 55.64 +18 25 57.9 X C95
2022-02-14 10:29:26 C 11 38 52.90 +18 28 30.3 V I52
2022-02-14 11:30:14 C 11 38 51.50 +18 28 32.7 V I52
2022-02-24 03:29:26 C 11 31 30.00 +18 34 45.8 o K88
2022-02-24 03:34:32 C 11 31 29.79 +18 34 45.4 o K88
2022-02-24 03:39:38 C 11 31 29.56 +18 34 45.7 o K88
2022-02-25 09:50:26 C 11 30 13.291 +18 34 41.67 U F52
2022-02-25 10:09:40 C 11 30 12.381 +18 34 41.52 U F52
2022-02-25 10:28:52 C 11 30 11.470 +18 34 41.62 U F52
2022-02-27 07:07:28 C 11 28 09.25 +18 33 44.8 V G96
2022-02-27 07:16:09 C 11 28 08.80 +18 33 44.6 V G96
2022-02-27 07:24:50 C 11 28 08.36 +18 33 44.6 V G96
2022-02-27 07:33:30 C 11 28 07.92 +18 33 44.1 V G96
2022-02-28 14:57:49 C 11 26 36.708 +18 32 47.15 V P07
2022-02-28 15:58:47 C 11 26 33.499 +18 32 44.88 V P07
2022-02-28 17:12:52 C 11 26 29.474 +18 32 41.64 V P07
2022-02-28 18:26:07 C 11 26 25.543 +18 32 38.83 V P07
2022-02-28 19:46:28 C 11 26 21.216 +18 32 34.19 V P07
2022-03-01 06:43:06 C 11 25 48.99 +18 31 50.0 U I41
2022-03-01 07:05:43 C 11 25 47.77 +18 31 48.9 U I41
2022-03-01 07:56:42 C 11 25 45.01 +18 31 46.5 U I41
2022-03-02 09:16:15 C 11 24 26.41 +18 30 20.2 V T05
2022-03-02 09:37:55 C 11 24 25.19 +18 30 19.3 V T05
2022-03-02 09:43:58 C 11 24 24.91 +18 30 19.6 V T05
2022-03-02 09:52:34 C 11 24 24.37 +18 30 17.9 V T05
2022-03-03 07:10:07 C 11 23 15.93 +18 28 44.3 U I41
2022-03-04 20:19:17 C 11 21 12.73 +18 25 22.6 Z K19
2022-03-04 20:26:49 C 11 21 12.26 +18 25 22.5 Z K19
2022-03-04 20:34:20 C 11 21 11.81 +18 25 22.7 Z K19
2022-03-08 20:31:36 C 11 15 30.08 +18 12 47.0 V G01
2022-03-08 22:31:11 C 11 15 22.54 +18 12 29.0 V K87
2022-03-08 22:40:42 C 11 15 21.90 +18 12 26.9 V K87
2022-03-08 22:45:27 C 11 15 21.62 +18 12 25.8 V G01
2022-03-08 22:50:13 C 11 15 21.31 +18 12 26.0 V K87