2017 TD4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6577108677 ± 1.64e-05
Semi-major axis (a)2.4364570780 AU ± 1.07e-04
Inclination (i)12.88904909° ± 2.21e-04
Long. of Asc. Node (Ω)6.87335286° ± 2.13e-04
Arg. of Perihelion (ω)333.59360484° ± 3.34e-04
Mean Anomaly (M)57.23623781° ± 5.09e-02
Mean Motion (n)0.2591636744°/day ± 1.71e-05
Perihelion dist (q)0.83397278 AU ± 5.43e-05
Aphelion dist (Q)4.03894138 AU ± 1.82e-04
Orbital Period3.80310352 yr ± 2.51e-04
Physical Parameters
H (abs. magnitude)20.11
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.289″
Uncertainty2
Orbit TypeApollo
MOID0.087532 AU
Observations Used56
Oppositions1
Arc Total2017-2017
First Observation Used2017-10-10
Last Observation Used2017-12-08
Observations (59)
Date Type RA Dec Mag Band Observatory
2017-10-10 11:25:45 C 08 43 16.93 +40 35 19.5 U G96
2017-10-10 11:37:36 C 08 43 15.11 +40 35 51.1 U G96
2017-10-10 11:44:26 C 08 43 14.11 +40 36 10.2 U G96
2017-10-10 11:51:12 C 08 43 13.11 +40 36 28.2 U G96
2017-10-10 12:16:13 C 08 43 09.21 +40 37 36.1 U G96
2017-10-10 12:17:50 C 08 43 09.02 +40 37 40.7 U G96
2017-10-10 12:19:26 C 08 43 08.76 +40 37 45.3 U G96
2017-10-10 12:21:04 C 08 43 08.52 +40 37 49.5 U G96
2017-10-11 09:56:25 C 08 40 06.17 +41 33 24.2 U G96
2017-10-11 10:00:56 C 08 40 05.59 +41 33 35.4 U G96
2017-10-11 10:02:32 C 08 40 05.28 +41 33 39.9 U G96
2017-10-11 10:04:08 C 08 40 05.06 +41 33 44.5 U G96
2017-10-11 11:15:14 C 08 39 54.54 +41 36 49.3 U H01
2017-10-11 11:20:15 C 08 39 53.79 +41 37 02.3 U H01
2017-10-11 11:37:07 C 08 39 51.27 +41 37 45.8 U H01
2017-10-11 11:46:41 C 08 39 49.86 +41 38 10.3 U H01
2017-10-12 11:32:01 C 08 36 32.25 +42 36 26.6 U G96
2017-10-12 11:34:27 C 08 36 31.88 +42 36 32.7 U G96
2017-10-12 11:37:01 C 08 36 31.50 +42 36 38.9 U G96
2017-10-12 11:39:32 C 08 36 31.18 +42 36 45.1 U G96
2017-10-13 12:03:44 C 08 33 10.94 +43 33 46.7 o 926
2017-10-13 12:07:39 C 08 33 10.31 +43 33 55.7 o 926
2017-10-13 12:11:34 C 08 33 09.74 +43 34 05.0 o 926
2017-10-14 12:00:34 C 08 29 57.19 +44 27 03.6 U G96
2017-10-14 12:05:47 C 08 29 56.38 +44 27 15.6 U G96
2017-10-14 12:08:23 C 08 29 56.05 +44 27 20.9 U G96
2017-10-14 12:17:08 C 08 29 54.81 +44 27 41.1 o 926
2017-10-14 12:21:03 C 08 29 54.25 +44 27 49.5 o 926
2017-10-14 12:24:57 C 08 29 53.70 +44 27 58.4 o 926
2017-10-15 02:21:29 C 08 28 02.16 +44 57 38.4 19.2 o K88
2017-10-15 02:24:37 C 08 28 01.70 +44 57 45.3 19.1 o K88
2017-10-15 02:27:44 C 08 28 01.27 +44 57 52.1 19.2 o K88
2017-10-15 02:30:52 C 08 28 00.85 +44 57 58.7 19.2 o K88
2017-10-15 02:34:02 C 08 28 00.40 +44 58 05.6 19.3 o K88
2017-10-15 03:44:26 C 08 27 50.88 +45 00 36.3 U 204
2017-10-15 03:59:39 C 08 27 48.72 +45 01 09.1 U 204
2017-10-15 04:14:52 C 08 27 46.56 +45 01 41.8 U 204
2017-10-18 23:53:00 S 08 15 36.850 +47 59 22.20 L C51
2017-10-19 09:18:30 S 08 14 22.025 +48 15 59.65 L C51
2017-10-20 10:38:03 C 08 11 02.95 +48 59 29.4 U I52
2017-10-20 10:39:09 C 08 11 02.71 +48 59 30.3 U I52
2017-10-20 10:40:15 C 08 11 02.54 +48 59 32.4 U I52
2017-10-20 10:41:20 C 08 11 02.38 +48 59 34.6 U I52
2017-10-20 11:42:07 C 08 10 53.72 +49 01 20.3 o 926
2017-10-20 11:45:37 C 08 10 53.19 +49 01 26.6 o 926
2017-10-20 11:49:10 C 08 10 52.69 +49 01 32.6 o 926
2017-11-05 08:55:21 C 07 12 52.84 +56 43 34.2 o 926
2017-11-05 09:07:31 C 07 12 50.59 +56 43 44.2 o 926
2017-11-05 09:19:41 C 07 12 48.33 +56 43 54.1 o 926
2017-11-10 06:50:34 C 06 51 07.30 +58 00 54.3 U G96