2021 TQ9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3733049105 ± 2.25e-05
Semi-major axis (a)0.9279168590 AU ± 2.00e-06
Inclination (i)19.40177690° ± 2.10e-03
Long. of Asc. Node (Ω)201.62151098° ± 3.17e-04
Arg. of Perihelion (ω)331.64848524° ± 4.01e-04
Mean Anomaly (M)81.66241111° ± 3.92e-03
Mean Motion (n)1.1026779195°/day ± 3.57e-06
Perihelion dist (q)0.58152094 AU ± 2.09e-05
Aphelion dist (Q)1.27431278 AU ± 2.11e-05
Orbital Period0.89384785 yr ± 2.90e-06
Physical Parameters
H (abs. magnitude)22.05
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.364″
Uncertainty1
Orbit TypeAten
MOID0.134107 AU
Observations Used120
Oppositions1
Arc Total2021-2021
First Observation Used2021-10-01
Last Observation Used2021-11-15
Observations (120)
Date Type RA Dec Mag Band Observatory
2021-10-01 06:38:53 C 01 03 01.95 +25 58 04.1 V I41
2021-10-01 07:13:28 C 01 02 57.12 +25 56 38.6 V I41
2021-10-04 05:41:40 C 00 53 22.12 +22 46 37.4 V I41
2021-10-04 07:53:04 C 00 53 02.41 +22 40 17.6 V I41
2021-10-08 22:03:10 C 00 36 55.57 +16 45 45.1 o K88
2021-10-08 22:06:01 C 00 36 55.11 +16 45 34.5 o K88
2021-10-08 22:08:51 C 00 36 54.69 +16 45 24.7 o K88
2021-10-08 22:44:31 C 00 36 49.01 +16 43 19.5 o K88
2021-10-08 22:46:51 C 00 36 48.69 +16 43 11.2 o K88
2021-10-08 22:49:13 C 00 36 48.26 +16 43 03.4 o K88
2021-10-08 23:03:15 C 00 36 46.28 +16 42 15.3 V L01
2021-10-08 23:13:13 C 00 36 44.64 +16 41 39.9 V L01
2021-10-08 23:15:46 C 00 36 44.25 +16 41 31.8 V L01
2021-10-08 23:18:18 C 00 36 43.92 +16 41 22.6 V L01
2021-10-08 23:48:30 C 00 36 39.51 +16 39 36.8 V I93
2021-10-08 23:54:11 C 00 36 38.65 +16 39 16.7 V I93
2021-10-09 00:00:25 C 00 36 37.62 +16 38 54.7 V I93
2021-10-09 00:18:53 C 00 36 34.69 +16 37 50.1 X 958
2021-10-09 00:24:17 C 00 36 33.76 +16 37 31.1 X 958
2021-10-09 00:29:40 C 00 36 32.98 +16 37 12.1 X 958
2021-10-09 02:56:37 C 00 36 12.56 +16 28 35.5 u H21
2021-10-09 03:00:39 C 00 36 11.93 +16 28 21.6 u H21
2021-10-09 03:04:40 C 00 36 11.29 +16 28 07.5 u H21
2021-10-09 03:08:42 C 00 36 10.63 +16 27 53.2 u H21
2021-10-09 06:52:25 C 00 35 36.17 +16 14 34.8 X U55
2021-10-09 08:08:06 C 00 35 24.21 +16 10 06.8 X U55
2021-10-09 18:31:56 C 00 33 51.75 +15 32 49.4 V G02
2021-10-09 18:43:30 C 00 33 49.93 +15 32 08.0 V G02
2021-10-09 18:55:02 C 00 33 48.15 +15 31 27.4 V G02
2021-10-09 18:59:57 C 00 33 47.52 +15 31 08.3 V A17
2021-10-09 19:00:26 C 00 33 47.35 +15 31 07.6 V 246
2021-10-09 19:00:50 C 00 33 47.30 +15 31 07.2 V 246
2021-10-09 19:01:15 C 00 33 47.24 +15 31 05.0 V 246
2021-10-09 19:02:04 C 00 33 47.11 +15 31 01.4 V 246
2021-10-09 19:02:28 C 00 33 47.07 +15 31 00.2 V 246
2021-10-09 19:18:40 C 00 33 44.62 +15 30 01.1 V A17
2021-10-09 19:24:49 C 00 33 43.43 +15 29 41.2 o K88
2021-10-09 19:28:39 C 00 33 42.88 +15 29 27.8 o K88
2021-10-09 19:32:32 C 00 33 42.25 +15 29 13.6 o K88
2021-10-09 19:36:08 C 00 33 41.88 +15 28 58.9 V A17
2021-10-09 20:02:06 C 00 33 37.77 +15 27 28.0 V 595
2021-10-09 20:09:53 C 00 33 36.71 +15 27 00.0 V G15
2021-10-09 20:18:05 C 00 33 35.39 +15 26 30.5 V G15
2021-10-09 20:18:41 C 00 33 35.19 +15 26 29.0 V 595
2021-10-09 20:26:21 C 00 33 34.11 +15 26 00.6 V G15
2021-10-09 20:35:15 C 00 33 32.50 +15 25 28.4 V 595
2021-10-09 22:27:15 C 00 33 14.80 +15 18 42.4 V K87
2021-10-09 22:46:52 C 00 33 11.70 +15 17 31.3 V K87
2021-10-09 23:06:30 C 00 33 08.62 +15 16 19.6 V K87
2021-10-10 18:17:35 C 00 30 15.86 +14 05 52.2 V B72