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
2008-10-29 01:15:19 C 00 10 09.30 +13 43 38.8 o H55
2008-10-29 01:20:31 C 00 10 09.48 +13 43 31.5 o H55
2008-10-29 07:58:30 C 00 10 23.154 +13 34 05.40 n 645
2008-10-29 07:59:41 C 00 10 23.206 +13 34 03.89 n 645
2008-10-29 08:02:05 C 00 10 23.277 +13 34 00.38 n 645
2008-10-29 08:03:16 C 00 10 23.320 +13 33 58.56 n 645
2008-10-30 07:19:11 C 00 11 16.08 +13 01 57.6 r G96
2008-10-30 07:27:56 C 00 11 16.36 +13 01 46.0 r G96
2008-10-30 07:36:38 C 00 11 16.69 +13 01 34.1 r G96
2008-10-30 07:45:22 C 00 11 16.98 +13 01 22.6 r G96
2008-11-01 02:06:22 C 00 12 53.48 +12 07 15.0 o H55
2008-11-01 02:11:55 C 00 12 53.71 +12 07 07.8 o H55
2008-11-01 02:17:29 C 00 12 53.89 +12 07 01.4 o H55
2008-11-06 03:32:55 C 00 17 28.81 +09 58 03.5 o H55
2008-11-06 03:44:59 C 00 17 29.26 +09 57 52.5 o H55
2008-11-06 03:58:57 C 00 17 29.76 +09 57 39.5 o H55
2008-12-01 06:18:56 C 00 42 23.71 +05 13 29.8 o 291
2008-12-01 06:28:32 C 00 42 24.16 +05 13 28.9 o 291
2008-12-01 06:33:59 C 00 42 24.40 +05 13 27.0 o 291
2010-01-18 08:23:04 C 06 41 09.488 +03 29 52.57 o 568
2010-01-18 09:01:47 C 06 41 07.438 +03 29 56.62 o 568
2010-01-19 06:31:04 C 06 40 01.049 +03 32 12.83 o 568
2010-01-19 06:41:49 C 06 40 00.491 +03 32 13.99 o 568
2013-01-10 10:46:31 C 10 17 53.25 -13 35 17.3 o 695
2013-01-10 10:52:25 C 10 17 53.18 -13 35 20.3 o 695
2013-01-10 10:58:32 C 10 17 53.03 -13 35 22.4 o 695
2013-02-14 05:52:08 C 09 39 09.52 -16 52 19.4 u 807
2013-02-14 06:01:54 C 09 39 08.71 -16 52 18.9 u 807
2013-02-14 06:11:56 C 09 39 07.89 -16 52 18.1 u 807
2013-10-13 07:45:27 C 03 27 44.00 +24 17 26.1 u H21
2013-10-13 07:59:23 C 03 27 42.56 +24 17 12.2 u H21
2013-10-13 08:13:19 C 03 27 41.13 +24 16 58.3 u H21
2013-10-14 10:27:14 C 03 25 01.80 +23 50 32.5 o 691
2013-10-14 10:52:45 C 03 24 59.15 +23 50 06.5 o 691
2013-10-25 04:31:54 C 02 59 09.68 +19 25 04.2 o 691
2013-10-25 04:57:26 C 02 59 07.24 +19 24 39.3 o 691
2013-10-25 05:22:58 C 02 59 04.71 +19 24 12.8 o 691
2013-10-25 10:20:06 C 02 58 35.10 +19 19 10.5 q G96
2013-10-25 10:30:12 C 02 58 34.11 +19 18 59.7 q G96
2013-10-25 10:40:17 C 02 58 33.12 +19 18 49.7 q G96
2013-10-25 10:50:24 C 02 58 32.12 +19 18 39.3 q G96
2013-10-30 08:18:42 C 02 47 37.789 +17 21 32.65 L F51
2013-10-30 08:39:19 C 02 47 35.886 +17 21 12.76 L F51
2013-10-30 11:33:54 C 02 47 19.744 +17 18 23.64 L F51
2013-10-30 11:54:34 C 02 47 17.828 +17 18 03.50 L F51
2013-11-12 04:09:08 C 02 24 06.08 +12 55 09.8 q G96
2013-11-12 04:21:58 C 02 24 05.19 +12 55 00.3 q G96
2013-11-12 04:30:57 C 02 24 04.69 +12 54 53.3 q G96
2013-11-12 04:39:57 C 02 24 04.14 +12 54 46.8 q G96
2018-04-09 13:33:03 S 07 56 05.479 -32 20 32.57 L C51