378842 (2008 TD4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6183797038 ± 7.53e-08
Semi-major axis (a)1.8213010607 AU ± 9.49e-09
Inclination (i)14.45387763° ± 1.23e-05
Long. of Asc. Node (Ω)221.83075141° ± 2.11e-05
Arg. of Perihelion (ω)54.94123949° ± 2.47e-05
Mean Anomaly (M)14.05710883° ± 1.87e-05
Mean Motion (n)0.4009956537°/day ± 3.13e-09
Perihelion dist (q)0.69504545 AU ± 1.37e-07
Aphelion dist (Q)2.94755667 AU ± 1.38e-07
Orbital Period2.45794755 yr ± 1.92e-08
Physical Parameters
H (abs. magnitude)19.78
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.297″
Uncertainty0
Orbit TypeApollo
MOID0.090399 AU
Observations Used146
Oppositions9
Arc Total2008-2023
First Observation Used2008-10-07
Last Observation Used2023-02-17
Observations (155)
Date Type RA Dec Mag Band Observatory
2008-10-07 06:54:25 C 23 44 27.60 +37 27 25.8 r 703
2008-10-07 07:03:06 C 23 44 28.21 +37 26 46.3 r 703
2008-10-07 07:11:52 C 23 44 28.89 +37 26 06.2 r 703
2008-10-07 07:25:10 C 23 44 29.76 +37 25 04.4 r 703
2008-10-07 07:36:13 C 23 44 30.51 +37 24 13.5 r 703
2008-10-07 07:47:13 C 23 44 31.34 +37 23 22.9 r 703
2008-10-07 07:57:59 C 23 44 32.13 +37 22 33.0 r 703
2008-10-07 08:13:14 C 23 44 33.18 +37 21 21.7 c 854
2008-10-07 08:14:37 C 23 44 33.25 +37 21 15.5 c 854
2008-10-07 08:18:46 C 23 44 33.59 +37 20 56.2 c 854
2008-10-07 09:27:31 C 23 44 38.86 +37 15 39.1 o 673
2008-10-07 09:37:40 C 23 44 39.60 +37 14 52.4 o 673
2008-10-07 09:47:45 C 23 44 40.33 +37 14 05.6 o 673
2008-10-07 09:57:29 C 23 44 41.08 +37 13 20.4 o 673
2008-10-07 16:26:17 C 23 45 15.59 +36 43 52.6 18.7 r 114
2008-10-07 16:27:42 C 23 45 15.72 +36 43 46.0 18.6 r 114
2008-10-07 16:29:08 C 23 45 15.83 +36 43 40.1 18.6 r 114
2008-10-07 16:30:31 C 23 45 15.97 +36 43 35.4 18.0 r 114
2008-10-07 16:31:47 C 23 45 16.04 +36 43 28.3 19.2 r 114
2008-10-07 19:56:10 C 23 45 31.62 +36 28 07.9 r J95
2008-10-07 19:59:57 C 23 45 31.90 +36 27 51.1 r J95
2008-10-07 20:03:43 C 23 45 32.17 +36 27 34.3 r J95
2008-10-07 22:42:42 C 23 45 44.04 +36 16 01.7 r J51
2008-10-07 22:58:22 C 23 45 45.05 +36 14 52.3 r J51
2008-10-07 23:13:38 C 23 45 46.04 +36 13 44.6 r J51
2008-10-08 05:18:26 C 23 46 13.80 +35 46 52.8 18.2 c 704
2008-10-08 05:36:42 C 23 46 14.98 +35 45 33.1 18.8 c 704
2008-10-08 05:55:08 C 23 46 16.22 +35 44 12.4 18.9 c 704
2008-10-08 06:13:27 C 23 46 17.43 +35 42 51.7 18.9 c 704
2008-10-08 06:31:45 C 23 46 18.59 +35 41 31.6 18.9 c 704
2008-10-08 17:54:23 C 23 47 10.96 +34 52 10.1 r A78
2008-10-08 18:09:36 C 23 47 12.23 +34 51 07.2 r A78
2008-10-08 19:43:01 C 23 47 17.66 +34 44 23.2 18.7 c A70
2008-10-08 19:50:46 C 23 47 18.16 +34 43 51.3 18.7 c A70
2008-10-08 19:59:23 C 23 47 18.78 +34 43 14.2 18.8 c A70
2008-10-09 02:21:09 C 23 47 46.78 +34 16 35.1 o H55
2008-10-09 02:27:28 C 23 47 47.19 +34 16 08.4 o H55
2008-10-09 02:34:01 C 23 47 47.60 +34 15 41.5 o H55
2008-10-09 02:40:33 C 23 47 48.05 +34 15 14.5 o H55
2008-10-10 20:56:24 C 23 50 35.74 +31 26 09.2 c A48
2008-10-10 21:03:35 C 23 50 36.12 +31 25 41.6 c A48
2008-10-10 21:10:46 C 23 50 36.51 +31 25 14.6 c A48
2008-10-11 01:15:39 C 23 50 50.05 +31 09 37.4 v B03
2008-10-11 01:21:18 C 23 50 50.41 +31 09 16.1 v B03
2008-10-11 01:31:00 C 23 50 50.98 +31 08 38.8 v B03
2008-10-11 02:33:05 C 23 50 57.10 +31 04 53.6 o H55
2008-10-11 02:36:51 C 23 50 57.29 +31 04 39.3 o H55
2008-10-11 02:41:23 C 23 50 57.52 +31 04 22.4 o H55
2008-10-11 02:46:11 C 23 50 57.81 +31 04 04.4 o H55
2008-10-11 02:51:12 C 23 50 58.09 +31 03 45.6 o H55