2021 PG9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3026022901 ± 1.19e-03
Semi-major axis (a)1.4374858976 AU ± 2.44e-03
Inclination (i)9.14486297° ± 2.67e-02
Long. of Asc. Node (Ω)315.54915885° ± 3.13e-03
Arg. of Perihelion (ω)311.62016956° ± 2.48e-02
Mean Anomaly (M)201.03923296° ± 2.36e+00
Mean Motion (n)0.5718826053°/day ± 1.45e-03
Perihelion dist (q)1.00249937 AU ± 2.41e-03
Aphelion dist (Q)1.87247242 AU ± 3.60e-03
Orbital Period1.72347659 yr ± 4.38e-03
Physical Parameters
H (abs. magnitude)25.88
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.434″
Uncertainty4
Orbit TypeApollo
MOID0.047345 AU
Observations Used14
Oppositions1
Arc Total2021-2021
First Observation Used2021-08-10
Last Observation Used2021-08-13
Observations (14)
Date Type RA Dec Mag Band Observatory
2021-08-10 09:34:43 C 20 16 28.667 -17 33 37.93 U F51
2021-08-10 09:46:56 C 20 16 29.975 -17 32 30.75 U F51
2021-08-10 09:59:10 C 20 16 31.283 -17 31 23.55 U F51
2021-08-10 21:23:37 C 20 18 09.091 -16 30 22.32 V J04
2021-08-10 21:41:18 C 20 18 11.076 -16 28 51.17 V J04
2021-08-10 22:01:52 C 20 18 13.296 -16 27 03.81 V J04
2021-08-12 09:57:28 C 20 22 33.239 -13 31 29.15 V F51
2021-08-12 10:12:22 C 20 22 34.516 -13 30 22.16 V F51
2021-08-12 10:43:45 C 20 22 37.261 -13 27 57.66 V F51
2021-08-13 03:44:24 C 20 24 32.14 -12 11 47.2 V 807
2021-08-13 03:48:46 C 20 24 32.51 -12 11 28.7 V 807
2021-08-13 03:52:51 C 20 24 32.92 -12 11 11.6 V 807
2021-08-13 10:16:59 C 20 25 12.389 -11 45 37.79 V F51
2021-08-13 10:43:00 C 20 25 14.462 -11 43 49.61 V F51