477327 (2009 TB8)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7056001983 ± 2.93e-08
Semi-major axis (a)2.2755218737 AU ± 9.55e-09
Inclination (i)10.17603520° ± 5.64e-06
Long. of Asc. Node (Ω)276.53794536° ± 4.03e-05
Arg. of Perihelion (ω)228.39112756° ± 3.95e-05
Mean Anomaly (M)212.39935758° ± 6.02e-06
Mean Motion (n)0.2871380550°/day ± 1.81e-09
Perihelion dist (q)0.66991319 AU ± 6.68e-08
Aphelion dist (Q)3.88113056 AU ± 6.87e-08
Orbital Period3.43258675 yr ± 2.16e-08
Physical Parameters
H (abs. magnitude)18.32
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.272″
Uncertainty0
Orbit TypeApollo
MOID0.079922 AU
Observations Used153
Oppositions11
Arc Total2009-2024
First Observation Used2009-09-26
Last Observation Used2024-06-15
Observations (174)
Date Type RA Dec Mag Band Observatory
2016-11-15 14:50:35 C 08 16 34.846 +63 33 53.54 L F51
2016-11-15 15:02:51 C 08 16 49.164 +63 33 53.42 L F51
2016-11-15 15:15:05 C 08 17 03.505 +63 33 53.11 L F51
2016-11-15 20:39:37 C 08 23 42.48 +63 32 10.6 u 107
2016-11-15 20:48:27 C 08 23 53.35 +63 32 09.7 u 107
2016-11-15 20:57:24 C 08 24 04.44 +63 32 08.6 u 107
2016-11-17 19:36:44 C 09 24 57.23 +62 28 55.7 q Z80
2016-11-17 19:40:05 C 09 25 01.78 +62 28 46.4 q Z80
2016-11-17 19:43:26 C 09 25 06.48 +62 28 37.9 q Z80
2016-11-17 19:46:48 C 09 25 11.05 +62 28 30.6 q Z80
2016-11-21 04:58:18 S 11 10 55.99 +55 26 34.2 L C51
2016-11-22 01:24:40 S 11 33 44.16 +52 33 54.3 L C51
2016-11-22 04:33:10 S 11 37 03.17 +52 05 15.5 L C51
2016-11-22 04:33:21 S 11 37 03.38 +52 05 14.9 L C51
2016-11-22 06:07:36 S 11 38 41.74 +51 50 43.8 L C51
2023-09-16 14:39:28 C 07 28 42.749 +28 36 27.31 X F52
2023-09-16 14:54:08 C 07 28 46.277 +28 36 15.93 X F52
2023-09-16 15:01:30 C 07 28 48.068 +28 36 10.02 X F52
2023-10-15 11:50:55 C 10 23 26.995 +11 13 26.22 V G96
2023-10-15 11:59:11 C 10 23 29.008 +11 13 09.88 V G96
2023-10-15 12:15:45 C 10 23 33.022 +11 12 36.18 V G96
2024-06-15 13:29:53 C 20 08 52.058 -17 08 22.28 X F51
2024-06-15 13:45:45 C 20 08 51.220 -17 08 22.73 X F51
2024-06-15 14:01:38 C 20 08 50.405 -17 08 23.14 X F51