2011 FR21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3924180444 ± 7.41e-06
Semi-major axis (a)1.9362277992 AU ± 1.46e-06
Inclination (i)31.64992202° ± 3.53e-04
Long. of Asc. Node (Ω)5.68596870° ± 2.71e-05
Arg. of Perihelion (ω)272.78687359° ± 1.29e-03
Mean Anomaly (M)106.17403071° ± 5.94e-04
Mean Motion (n)0.3658285531°/day ± 4.12e-07
Perihelion dist (q)1.17641707 AU ± 1.44e-05
Aphelion dist (Q)2.69603853 AU ± 1.45e-05
Orbital Period2.69423006 yr ± 3.04e-06
Physical Parameters
H (abs. magnitude)20.72
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.334″
Uncertainty0
Orbit TypeAmor
MOID0.458038 AU
Observations Used28
Oppositions7
Arc Total2011-2022
First Observation Used2011-03-29
Last Observation Used2022-10-02
Observations (28)
Date Type RA Dec Mag Band Observatory
2011-03-29 06:55:28 C 11 52 46.38 +04 57 44.9 r G96
2011-03-29 07:02:58 C 11 52 45.44 +04 57 38.5 r G96
2011-03-29 07:10:30 C 11 52 44.58 +04 57 34.0 r G96
2011-03-29 07:18:02 C 11 52 43.68 +04 57 29.1 r G96
2011-03-29 07:55:37 C 11 52 39.14 +04 57 01.8 r G96
2011-03-29 07:57:50 C 11 52 38.89 +04 57 01.0 r G96
2011-03-29 08:00:03 C 11 52 38.64 +04 56 59.4 r G96
2011-03-29 08:02:16 C 11 52 38.35 +04 56 58.0 r G96
2011-03-29 08:59:26 C 11 52 31.52 +04 56 17.3 o 291
2011-03-29 09:04:49 C 11 52 30.83 +04 56 14.4 o 291
2011-03-30 05:26:06 C 11 50 08.84 +04 41 54.4 o 291
2011-03-30 05:26:26 C 11 50 08.77 +04 41 54.2 r G96
2011-03-30 05:30:33 C 11 50 08.26 +04 41 51.0 r G96
2011-03-30 05:31:36 C 11 50 08.17 +04 41 50.0 o 291
2011-03-30 05:34:39 C 11 50 07.76 +04 41 48.8 r G96
2011-03-30 05:37:05 C 11 50 07.50 +04 41 46.9 o 291
2011-03-30 05:38:40 C 11 50 07.26 +04 41 45.4 r G96
2022-09-24 09:26:46 C 00 49 09.178 +05 14 59.68 U F51
2022-09-24 09:42:51 C 00 49 07.024 +05 15 16.05 U F51
2022-09-24 09:58:47 C 00 49 04.915 +05 15 32.05 U F51
2022-09-24 10:14:51 C 00 49 02.781 +05 15 48.56 U F51
2022-09-26 07:59:51 C 00 43 08.504 +06 01 02.03 V G96
2022-09-26 08:09:09 C 00 43 07.309 +06 01 11.21 V G96
2022-09-26 08:16:37 C 00 43 06.301 +06 01 18.44 V G96
2022-09-26 08:24:06 C 00 43 05.322 +06 01 25.82 V G96
2022-10-02 11:52:00 C 00 24 48.861 +08 15 14.32 U F51
2022-10-02 12:11:40 C 00 24 46.461 +08 15 30.77 U F51
2022-10-02 12:31:26 C 00 24 44.061 +08 15 47.23 U F51