2021 PN23

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4560591380 ± 2.56e-03
Semi-major axis (a)2.1632526567 AU ± 1.14e-02
Inclination (i)5.22191552° ± 2.20e-02
Long. of Asc. Node (Ω)141.35888681° ± 3.31e-04
Arg. of Perihelion (ω)148.52704474° ± 1.63e-02
Mean Anomaly (M)134.03521479° ± 3.92e+00
Mean Motion (n)0.3097785963°/day ± 2.45e-03
Perihelion dist (q)1.17668151 AU ± 8.31e-03
Aphelion dist (Q)3.14982380 AU ± 1.75e-02
Orbital Period3.18171202 yr ± 2.52e-02
Physical Parameters
H (abs. magnitude)25.45
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.194″
Uncertainty4
Orbit TypeAmor
MOID0.166097 AU
Observations Used11
Oppositions1
Arc Total2021-2021
First Observation Used2021-08-08
Last Observation Used2021-08-17
Observations (11)
Date Type RA Dec Mag Band Observatory
2021-08-08 09:13:57 C 20 50 24.046 -13 59 10.88 U F51
2021-08-08 09:31:13 C 20 50 25.736 -13 59 27.60 U F51
2021-08-08 09:48:25 C 20 50 27.393 -13 59 43.61 U F51
2021-08-09 11:27:28 C 20 53 11.989 -14 23 25.14 V 568
2021-08-09 11:28:52 C 20 53 12.127 -14 23 26.52 V 568
2021-08-09 11:30:17 C 20 53 12.254 -14 23 27.74 V 568
2021-08-11 02:52:28 C 20 57 22.15 -14 57 44.9 V 807
2021-08-11 03:04:41 C 20 57 23.32 -14 57 55.8 V 807
2021-08-11 03:16:23 C 20 57 24.41 -14 58 06.1 V 807
2021-08-17 10:05:04 C 21 12 00.490 -16 54 18.40 V 568
2021-08-17 10:15:57 C 21 12 01.341 -16 54 25.63 V 568