2021 TF8

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6070296779
Semi-major axis (a)2.9396441361 AU
Inclination (i)13.42826969°
Long. of Asc. Node (Ω)197.56782703°
Arg. of Perihelion (ω)185.09724893°
Mean Anomaly (M)16.20388272°
Mean Motion (n)0.2506027400°/day
Perihelion dist (q)1.05568800 AU
Aphelion dist (Q)3.92751800 AU
Orbital Period3.93294860 yr
Physical Parameters
H (abs. magnitude)24.12
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual2.932″
Uncertainty
Orbit TypeAmor
MOID0.156602 AU
Observations Used43
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-10-25
Observations (43)
Date Type RA Dec Mag Band Observatory
2021-10-08 17:35:50 C 21 53 38.05 +05 01 45.7 o K88
2021-10-08 17:38:41 C 21 53 39.55 +05 01 29.9 o K88
2021-10-08 17:41:32 C 21 53 41.12 +05 01 15.3 o K88
2021-10-09 03:34:03 C 21 59 19.90 +04 07 23.6 V G96
2021-10-09 03:42:17 C 21 59 24.48 +04 06 37.0 V G96
2021-10-09 03:50:31 C 21 59 29.03 +04 05 51.5 V G96
2021-10-09 03:58:46 C 21 59 33.59 +04 05 05.5 V G96
2021-10-09 05:48:29 C 22 00 34.61 +03 54 50.3 V G96
2021-10-09 05:49:04 C 22 00 34.94 +03 54 47.0 V G96
2021-10-09 05:49:40 C 22 00 35.27 +03 54 43.6 V G96
2021-10-09 18:09:05 C 22 08 00.71 +02 43 56.0 X 595
2021-10-09 18:34:37 C 22 08 15.64 +02 41 27.5 X 595
2021-10-09 18:34:50 C 22 08 15.66 +02 41 21.0 V 246
2021-10-09 18:35:37 C 22 08 15.96 +02 41 17.7 V 246
2021-10-09 18:36:00 C 22 08 16.17 +02 41 15.0 V 246
2021-10-09 18:36:22 C 22 08 16.48 +02 41 12.3 V 246
2021-10-09 18:37:30 C 22 08 17.08 +02 41 06.4 V 246
2021-10-09 18:47:57 C 22 08 23.39 +02 40 10.3 X 595
2021-10-09 19:31:30 C 22 08 49.99 +02 35 47.9 V J95
2021-10-09 19:36:25 C 22 08 51.60 +02 35 28.8 V L01
2021-10-09 19:38:39 C 22 08 52.94 +02 35 15.9 V L01
2021-10-09 19:40:09 C 22 08 53.85 +02 35 06.4 V L01
2021-10-09 19:41:39 C 22 08 54.73 +02 34 57.4 V L01
2021-10-09 19:43:32 C 22 08 57.04 +02 34 38.2 V J95
2021-10-09 19:44:50 C 22 08 56.59 +02 34 38.6 V L01
2021-10-09 21:17:02 C 22 09 50.24 +02 25 33.4 V G02
2021-10-09 21:22:20 C 22 09 53.23 +02 25 02.8 V G02
2021-10-09 21:28:02 C 22 09 56.72 +02 24 29.4 V G02
2021-10-09 23:43:24 C 22 11 18.11 +02 11 21.5 V I93
2021-10-09 23:51:38 C 22 11 22.98 +02 10 31.8 V I93
2021-10-09 23:59:59 C 22 11 27.99 +02 09 43.2 V I93
2021-10-11 00:39:10 C 22 27 10.10 -00 17 20.7 u 807
2021-10-11 00:44:46 C 22 27 13.59 -00 17 55.8 u 807
2021-10-11 00:50:23 C 22 27 17.02 -00 18 31.0 u 807
2021-10-14 00:44:19 C 23 17 08.54 -08 01 13.8 u 807
2021-10-14 00:49:48 C 23 17 12.40 -08 01 48.6 u 807
2021-10-14 00:55:26 C 23 17 16.28 -08 02 25.4 u 807
2021-10-14 23:58:05 C 23 34 07.91 -10 29 04.1 u 807
2021-10-15 00:00:19 C 23 34 09.55 -10 29 18.5 u 807
2021-10-15 00:02:32 C 23 34 11.06 -10 29 32.5 u 807
2021-10-25 04:08:06 C 02 07 21.07 -26 10 20.2 u 807
2021-10-25 04:17:23 C 02 07 24.99 -26 10 33.9 u 807
2021-10-25 04:26:43 C 02 07 28.93 -26 10 47.7 u 807