877855 (2011 GZ54)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1393099594 ± 7.27e-08
Semi-major axis (a)1.3325698057 AU ± 6.64e-09
Inclination (i)9.96772724° ± 5.62e-06
Long. of Asc. Node (Ω)213.60806443° ± 8.69e-06
Arg. of Perihelion (ω)15.34664145° ± 3.45e-05
Mean Anomaly (M)156.63703348° ± 5.00e-05
Mean Motion (n)0.6407333411°/day ± 4.79e-09
Perihelion dist (q)1.14692956 AU ± 9.71e-08
Aphelion dist (Q)1.51821005 AU ± 9.72e-08
Orbital Period1.53827844 yr ± 1.15e-08
Physical Parameters
H (abs. magnitude)22.01
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.224″
Uncertainty0
Orbit TypeAmor
MOID0.142188 AU
Observations Used101
Oppositions5
Arc Total2011-2025
First Observation Used2011-04-05
Last Observation Used2025-10-26
Observations (105)
Date Type RA Dec Mag Band Observatory
2011-04-05 14:30:32 C 11 49 49.85 -22 48 22.9 r E12
2011-04-05 14:59:01 C 11 49 49.89 -22 47 29.6 r E12
2011-04-05 15:27:34 C 11 49 50.05 -22 46 35.9 r E12
2011-04-06 10:00:28 C 11 50 11.83 -22 11 53.8 r E12
2011-04-06 10:07:32 C 11 50 11.88 -22 11 41.1 r E12
2011-04-06 14:40:22 C 11 50 13.29 -22 03 05.5 r E12
2011-04-06 14:47:42 C 11 50 13.33 -22 02 51.5 r E12
2011-04-06 16:36:07 C 11 50 14.20 -21 59 20.0 r E12
2011-04-06 16:43:33 C 11 50 14.25 -21 59 05.1 r E12
2011-04-06 16:51:04 C 11 50 14.34 -21 58 50.6 r E12
2011-04-06 21:45:54 C 11 50 22.45 -21 50 25.1 v 204
2011-04-06 22:04:34 C 11 50 22.56 -21 49 49.4 v 204
2011-04-07 04:47:33 C 11 50 29.74 -21 36 49.5 t H21
2011-04-07 04:53:21 C 11 50 29.78 -21 36 38.3 t H21
2011-04-07 04:59:22 C 11 50 29.84 -21 36 26.8 t H21
2011-04-07 05:05:04 C 11 50 29.84 -21 36 14.8 t H21
2011-04-07 05:34:08 C 11 50 31.50 -21 35 16.0 673
2011-04-07 05:44:38 C 11 50 31.56 -21 34 57.0 673
2011-04-07 05:53:30 C 11 50 31.62 -21 34 37.8 673
2011-04-07 06:04:58 C 11 50 31.74 -21 34 18.2 673
2011-04-07 08:08:35 C 11 50 32.14 -21 30 14.0 c 854
2011-04-07 08:16:54 C 11 50 32.28 -21 29 56.4 c 854
2011-04-07 09:11:57 C 11 50 37.17 -21 27 19.4 r E12
2011-04-07 09:19:03 C 11 50 37.26 -21 27 06.1 r E12
2011-04-08 01:45:22 C 11 50 55.64 -20 54 50.4 o 807
2011-04-08 01:51:50 C 11 50 55.70 -20 54 37.8 o 807
2011-04-08 01:58:06 C 11 50 55.75 -20 54 25.8 o 807
2011-04-08 13:57:09 C 11 51 08.82 -20 30 26.8 r E12
2011-04-08 14:02:51 C 11 51 08.86 -20 30 15.1 r E12
2011-04-10 03:47:25 C 11 52 03.24 -19 13 34.8 o H21
2011-04-10 03:50:58 C 11 52 03.28 -19 13 27.3 o H21
2011-04-10 03:54:28 C 11 52 03.34 -19 13 19.7 o H21
2011-04-14 00:15:09 C 11 54 50.26 -15 51 19.4 o 807
2011-04-14 00:26:47 C 11 54 50.54 -15 50 53.0 o 807
2011-04-14 00:32:38 C 11 54 50.66 -15 50 40.4 o 807
2011-04-14 04:45:01 C 11 54 57.23 -15 42 08.1 o H21
2011-04-14 04:51:34 C 11 54 57.42 -15 41 53.3 o H21
2011-04-14 04:58:04 C 11 54 57.61 -15 41 38.6 o H21
2011-04-14 23:56:05 C 11 55 41.27 -14 57 36.4 o 807
2011-04-15 00:05:21 C 11 55 41.53 -14 57 15.4 o 807
2011-04-15 00:12:06 C 11 55 41.69 -14 57 00.5 o 807
2011-04-15 00:19:34 C 11 55 41.89 -14 56 44.0 o 807
2011-04-25 03:48:18 C 12 07 41.98 -05 23 14.2 o 807
2011-04-25 03:52:38 C 12 07 42.18 -05 23 04.3 o 807
2011-04-25 03:56:59 C 12 07 42.43 -05 22 53.9 o 807
2011-04-25 04:01:19 C 12 07 42.64 -05 22 43.5 o 807
2011-04-26 04:59:26 C 12 09 16.13 -04 24 22.3 o 807
2011-04-26 05:04:11 C 12 09 16.36 -04 24 10.9 o 807
2011-04-26 05:09:06 C 12 09 16.64 -04 23 59.3 o 807
2011-04-26 05:14:10 C 12 09 16.91 -04 23 47.6 o 807