2021 TG4

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5837488115 ± 1.72e-07
Semi-major axis (a)2.2027487464 AU ± 6.85e-08
Inclination (i)7.77163927° ± 1.22e-05
Long. of Asc. Node (Ω)46.93558967° ± 8.22e-05
Arg. of Perihelion (ω)216.55025112° ± 1.32e-04
Mean Anomaly (M)141.43971446° ± 1.13e-04
Mean Motion (n)0.3014843910°/day ± 1.41e-08
Perihelion dist (q)0.91689678 AU ± 3.79e-07
Aphelion dist (Q)3.48860071 AU ± 3.93e-07
Orbital Period3.26924482 yr ± 1.52e-07
Physical Parameters
H (abs. magnitude)20.06
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.160″
Uncertainty0
Orbit TypeApollo
MOID0.009718 AU
Observations Used35
Oppositions7
Arc Total2011-2021
First Observation Used2011-02-04
Last Observation Used2021-11-05
Observations (36)
Date Type RA Dec Mag Band Observatory
2011-02-04 10:32:52 C 10 59 42.108 +22 29 31.38 V F51
2011-02-10 13:31:13 C 10 53 59.719 +23 42 13.79 V F51
2011-02-14 09:41:07 C 10 49 30.529 +24 29 58.63 V F51
2011-02-14 10:00:44 C 10 49 29.445 +24 30 09.41 V F51
2011-05-15 06:25:09 C 09 32 08.346 +21 33 03.82 V F51
2011-05-29 06:15:49 C 09 50 39.217 +17 00 58.12 L F51
2011-05-29 06:22:39 C 09 50 39.621 +17 00 52.11 L F51
2011-05-29 06:29:31 C 09 50 40.058 +17 00 45.69 L F51
2011-05-29 06:36:27 C 09 50 40.464 +17 00 39.20 L F51
2011-10-17 07:00:57 C 21 59 39.649 -24 59 31.56 V F51
2011-10-17 07:30:36 C 21 59 41.918 -24 59 00.17 V F51
2021-09-01 13:19:00 C 02 39 55.124 +06 31 59.05 V F52
2021-09-01 13:36:39 C 02 39 54.655 +06 31 58.04 V F52
2021-09-01 13:54:23 C 02 39 54.181 +06 31 57.38 V F52
2021-09-28 10:13:08 C 02 08 32.009 +05 03 26.61 V F52
2021-09-28 10:30:26 C 02 08 30.799 +05 03 23.36 V F52
2021-09-28 10:47:43 C 02 08 29.609 +05 03 20.19 V F52
2021-09-28 11:05:08 C 02 08 28.388 +05 03 16.88 V F52
2021-10-02 10:00:33 C 02 01 56.569 +04 45 11.35 U F52
2021-10-02 10:17:06 C 02 01 55.386 +04 45 08.29 U F52
2021-10-02 10:33:43 C 02 01 54.177 +04 45 05.14 U F52
2021-10-02 13:41:20 C 02 01 40.598 +04 44 29.22 V F51
2021-10-02 13:42:16 C 02 01 40.537 +04 44 28.86 V F51
2021-10-03 13:23:36 C 02 00 00.779 +04 39 57.29 V F51
2021-10-03 13:40:44 C 01 59 59.546 +04 39 54.08 V F51
2021-10-03 13:57:50 C 01 59 58.300 +04 39 50.64 V F51
2021-10-06 10:27:03 C 01 55 08.015 +04 26 51.49 U F51
2021-10-06 11:00:06 C 01 55 05.601 +04 26 45.53 U F51
2021-10-06 11:16:32 C 01 55 04.401 +04 26 42.53 U F51
2021-10-07 10:32:09 C 01 53 25.381 +04 22 21.21 V F51
2021-10-07 10:54:12 C 01 53 23.770 +04 22 18.09 V F51
2021-10-25 03:44:49 C 01 25 15.17 +03 18 08.3 o 291
2021-10-25 04:05:38 C 01 25 13.93 +03 18 06.3 o 291
2021-10-25 04:26:23 C 01 25 12.74 +03 18 03.8 o 291
2021-11-05 02:47:04 C 01 12 06.42 +03 01 08.9 o 291
2021-11-05 03:17:17 C 01 12 05.14 +03 01 08.0 o 291