2008 TN9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3024642812 ± 2.00e+00
Semi-major axis (a)1.1978980865 AU
Inclination (i)1.61594086° ± 4.00e+00
Long. of Asc. Node (Ω)7.35235302° ± 5.00e+00
Arg. of Perihelion (ω)290.36600329° ± 6.00e+00
Mean Anomaly (M)64.61699827°
Mean Motion (n)0.7517474500°/day
Perihelion dist (q)0.83554520 AU
Aphelion dist (Q)1.56025940 AU
Orbital Period1.31108880 yr
Physical Parameters
H (abs. magnitude)27.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.555″
Uncertainty
Orbit TypeApollo
MOID0.001863 AU
Observations Used18
Oppositions1
Arc Total2008-2008
First Observation Used
Last Observation Used2008-10-09
Observations (18)
Date Type RA Dec Mag Band Observatory
2008-10-08 06:46:49 C 01 00 42.84 +16 41 53.5 r G96
2008-10-08 06:54:38 C 01 00 42.15 +16 41 37.2 r G96
2008-10-08 07:02:41 C 01 00 41.43 +16 41 20.2 r G96
2008-10-08 07:10:31 C 01 00 40.75 +16 41 03.5 r G96
2008-10-08 08:35:22 C 01 00 33.58 +16 37 59.8 r G96
2008-10-08 08:42:34 C 01 00 33.01 +16 37 43.5 r G96
2008-10-08 08:49:56 C 01 00 32.40 +16 37 27.6 r G96
2008-10-08 08:57:05 C 01 00 31.89 +16 37 11.6 r G96
2008-10-08 09:46:24 C 01 00 27.63 +16 35 08.4 v H01
2008-10-08 09:52:24 C 01 00 27.29 +16 34 55.3 v H01
2008-10-08 09:58:33 C 01 00 26.96 +16 34 41.0 v H01
2008-10-08 10:00:38 C 01 00 26.83 +16 34 36.5 v H01
2008-10-08 22:58:24 C 01 00 48.79 +16 09 53.2 r J95
2008-10-08 23:12:28 C 01 00 47.93 +16 09 31.4 r J95
2008-10-08 23:26:32 C 01 00 47.16 +16 09 09.1 r J95
2008-10-09 03:16:05 C 01 00 56.41 +16 03 49.8 o H55
2008-10-09 03:28:16 C 01 00 55.56 +16 03 33.9 o H55
2008-10-09 03:40:25 C 01 00 54.86 +16 03 17.3 o H55