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
2021-10-28 00:54:44 C 23 32 39.86 -12 56 29.4 u 807
2021-10-28 01:02:24 C 23 32 38.91 -12 56 55.9 u 807
2021-10-28 03:14:57 C 23 32 24.18 -13 05 16.0 V I52
2021-10-28 03:16:03 C 23 32 24.12 -13 05 19.2 V I52
2021-10-28 03:17:09 C 23 32 23.94 -13 05 23.8 V I52
2021-10-28 06:09:25 C 23 32 04.772 -13 15 14.27 U F52
2021-10-28 06:56:10 C 23 31 59.051 -13 17 56.05 U F52
2021-11-04 09:55:26 C 23 15 20.97 -22 01 46.2 V 474
2021-11-04 10:02:14 C 23 15 20.36 -22 02 04.4 V 474
2021-11-04 10:05:38 C 23 15 20.05 -22 02 13.2 V 474
2021-11-04 10:09:02 C 23 15 19.76 -22 02 22.5 V 474
2021-11-05 09:57:02 C 23 13 24.98 -23 04 56.5 V 474
2021-11-05 10:07:13 C 23 13 24.16 -23 05 21.2 V 474
2021-11-05 10:17:24 C 23 13 23.27 -23 05 47.7 V 474
2021-11-09 02:45:48 C 23 07 06.98 -26 38 20.4 o 691
2021-11-09 03:09:09 C 23 07 05.26 -26 39 13.2 o 691
2021-11-09 03:32:28 C 23 07 03.55 -26 40 04.4 o 691
2021-11-15 02:03:21 C 22 59 21.56 -31 22 01.3 V 807
2021-11-15 02:14:19 C 22 59 20.98 -31 22 20.2 V 807
2021-11-15 02:25:16 C 22 59 20.41 -31 22 39.1 V 807