2021 NP5

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4906983259 ± 7.98e-04
Semi-major axis (a)2.1297548635 AU ± 3.40e-03
Inclination (i)8.02741040° ± 8.98e-03
Long. of Asc. Node (Ω)282.17588288° ± 1.43e-03
Arg. of Perihelion (ω)340.94199367° ± 5.88e-03
Mean Anomaly (M)154.10165182° ± 1.24e+00
Mean Motion (n)0.3171157761°/day ± 7.59e-04
Perihelion dist (q)1.08468772 AU ± 2.43e-03
Aphelion dist (Q)3.17482201 AU ± 5.34e-03
Orbital Period3.10809603 yr ± 7.44e-03
Physical Parameters
H (abs. magnitude)25.73
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.166″
Uncertainty4
Orbit TypeAmor
MOID0.075902 AU
Observations Used18
Oppositions1
Arc Total2021-2021
First Observation Used2021-07-09
Last Observation Used2021-07-13
Observations (18)
Date Type RA Dec Mag Band Observatory
2021-07-09 10:56:08 C 20 01 40.440 -11 07 11.86 U F51
2021-07-09 11:12:08 C 20 01 42.100 -11 06 15.94 U F51
2021-07-09 11:28:06 C 20 01 43.750 -11 05 19.86 U F51
2021-07-10 08:01:21 C 20 04 18.518 -09 55 08.27 V 568
2021-07-10 08:02:46 C 20 04 18.666 -09 55 03.69 V 568
2021-07-10 08:04:10 C 20 04 18.809 -09 54 59.07 V 568
2021-07-10 08:05:35 C 20 04 18.954 -09 54 54.49 V 568
2021-07-10 08:07:14 C 20 04 19.121 -09 54 49.01 V 568
2021-07-10 11:22:23 C 20 04 38.121 -09 44 11.33 V F51
2021-07-10 11:43:33 C 20 04 40.117 -09 43 01.62 V F51
2021-07-10 11:44:44 C 20 04 40.235 -09 42 57.71 V F51
2021-07-10 12:07:50 C 20 04 42.402 -09 41 42.22 V F51
2021-07-10 12:09:00 C 20 04 42.528 -09 41 37.86 V F51
2021-07-10 12:29:31 C 20 04 44.476 -09 40 30.41 V F51
2021-07-10 12:30:42 C 20 04 44.598 -09 40 25.96 V F51
2021-07-10 12:31:53 C 20 04 44.711 -09 40 22.26 V F51
2021-07-13 11:22:13 C 20 12 05.913 -06 11 03.28 V F51
2021-07-13 11:38:17 C 20 12 07.070 -06 10 20.21 V F51