2021 NW8

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4901314966 ± 2.95e-04
Semi-major axis (a)2.1046265535 AU ± 1.32e-03
Inclination (i)8.23460986° ± 3.50e-03
Long. of Asc. Node (Ω)119.04617833° ± 4.81e-04
Arg. of Perihelion (ω)179.32898651° ± 1.18e-03
Mean Anomaly (M)151.19755605° ± 4.84e-01
Mean Motion (n)0.3228120278°/day ± 3.03e-04
Perihelion dist (q)1.07308279 AU ± 9.16e-04
Aphelion dist (Q)3.13617032 AU ± 2.06e-03
Orbital Period3.05325142 yr ± 2.87e-03
Physical Parameters
H (abs. magnitude)24.95
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.148″
Uncertainty3
Orbit TypeAmor
MOID0.055394 AU
Observations Used23
Oppositions1
Arc Total2021-2021
First Observation Used2021-07-14
Last Observation Used2021-08-03
Observations (24)
Date Type RA Dec Mag Band Observatory
2021-07-14 06:37:17 C 16 31 04.004 -02 37 28.25 U F51
2021-07-14 06:57:30 C 16 31 07.674 -02 38 47.11 U F51
2021-07-14 07:17:44 C 16 31 11.347 -02 40 05.75 U F51
2021-07-14 07:37:56 C 16 31 15.027 -02 41 24.76 U F51
2021-07-15 06:12:54 C 16 36 13.673 -04 12 45.52 V 568
2021-07-15 06:14:19 C 16 36 13.959 -04 12 51.51 V 568
2021-07-15 06:15:43 C 16 36 14.236 -04 12 57.35 V 568
2021-07-15 06:17:09 C 16 36 14.526 -04 13 03.44 V 568
2021-07-16 04:16:53 C 16 41 26.82 -05 48 40.0 V 654
2021-07-16 04:51:36 C 16 41 34.52 -05 51 15.6 V 654
2021-07-16 06:36:19 C 16 41 57.87 -05 59 05.0 V 654
2021-07-16 07:07:04 C 16 42 04.82 -06 01 22.7 V 654
2021-07-16 07:54:16 C 16 42 15.64 -06 04 54.6 V 654
2021-07-16 08:21:32 C 16 42 21.97 -06 06 57.0 V 654
2021-07-17 04:22:10 C 16 47 40.18 -07 40 13.4 V 654
2021-07-17 04:52:52 C 16 47 47.61 -07 42 40.6 V 654
2021-07-17 05:25:16 C 16 47 55.51 -07 45 16.4 V 654
2021-07-17 05:58:08 C 16 48 03.55 -07 47 54.0 V 654
2021-08-03 00:33:19 C 20 21 49.99 -44 19 22.7 u 807
2021-08-03 00:37:48 C 20 21 52.95 -44 19 36.5 u 807
2021-08-03 00:42:14 C 20 21 55.97 -44 19 50.5 u 807
2021-08-03 11:52:40 C 20 29 40.33 -44 48 22.6 V 474
2021-08-03 12:00:34 C 20 29 45.49 -44 48 41.3 V 474
2021-08-03 12:03:11 C 20 29 47.28 -44 48 48.1 V 474