2021 NY4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2907128585 ± 7.85e-06
Semi-major axis (a)1.4829922027 AU ± 1.80e-05
Inclination (i)2.12318893° ± 4.49e-05
Long. of Asc. Node (Ω)140.92079273° ± 3.30e-05
Arg. of Perihelion (ω)200.90447284° ± 8.58e-05
Mean Anomaly (M)121.22066873° ± 1.52e-02
Mean Motion (n)0.5457628560°/day ± 9.93e-06
Perihelion dist (q)1.05186730 AU ± 1.73e-05
Aphelion dist (Q)1.91411711 AU ± 2.60e-05
Orbital Period1.80596073 yr ± 3.29e-05
Physical Parameters
H (abs. magnitude)24.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.244″
Uncertainty2
Orbit TypeAmor
MOID0.042567 AU
Observations Used88
Oppositions1
Arc Total2021-2021
First Observation Used2021-07-09
Last Observation Used2021-11-01
Observations (93)
Date Type RA Dec Mag Band Observatory
2021-07-09 10:56:08 C 20 07 59.275 -10 52 39.98 U F51
2021-07-09 11:12:08 C 20 08 00.385 -10 52 36.03 U F51
2021-07-09 11:28:06 C 20 08 01.477 -10 52 31.83 U F51
2021-07-10 08:08:58 C 20 09 53.555 -10 47 04.16 V 568
2021-07-10 08:11:47 C 20 09 53.770 -10 47 03.50 V 568
2021-07-10 08:13:12 C 20 09 53.881 -10 47 03.20 V 568
2021-07-11 10:38:15 C 20 12 16.235 -10 40 17.89 V 568
2021-07-11 10:39:40 C 20 12 16.341 -10 40 17.54 V 568
2021-07-11 10:41:05 C 20 12 16.451 -10 40 17.20 V 568
2021-07-11 10:43:55 C 20 12 16.661 -10 40 16.51 V 568
2021-07-11 10:45:20 C 20 12 16.767 -10 40 16.15 V 568
2021-08-02 11:20:20 C 21 38 50.410 -08 20 05.10 U F51
2021-08-02 11:36:32 C 21 38 54.240 -08 19 59.47 U F51
2021-08-02 11:52:45 C 21 38 58.082 -08 19 53.76 U F51
2021-08-02 12:08:58 C 21 39 01.934 -08 19 47.95 U F51
2021-08-05 16:26:41 C 22 01 16.21 -07 51 31.7 q D29
2021-08-05 16:49:35 C 22 01 22.62 -07 51 20.3 q D29
2021-08-05 17:12:30 C 22 01 28.99 -07 51 10.5 q D29
2021-08-06 10:45:12 C 22 07 04.964 -07 43 26.69 U F51
2021-08-06 11:11:32 C 22 07 12.519 -07 43 15.58 U F51
2021-08-06 11:25:12 C 22 07 16.431 -07 43 09.76 U F51
2021-08-07 17:12:15 C 22 17 07.96 -07 30 18.5 q D29
2021-08-07 17:13:31 C 22 17 08.32 -07 30 17.6 q D29
2021-08-07 17:32:37 C 22 17 14.15 -07 30 09.0 q D29
2021-08-07 17:33:53 C 22 17 14.56 -07 30 08.4 q D29
2021-08-07 17:54:16 C 22 17 20.76 -07 29 59.0 q D29
2021-08-10 10:45:49 C 22 40 33.43 -06 57 04.6 V T08
2021-08-10 10:48:28 C 22 40 34.39 -06 57 03.0 V T08
2021-08-10 11:07:31 C 22 40 40.74 -06 56 52.3 V T08
2021-08-10 11:15:29 C 22 40 43.41 -06 56 48.4 V T08
2021-08-12 01:03:28 C 22 55 08.13 -06 36 22.6 o K88
2021-08-12 01:04:25 C 22 55 08.44 -06 36 21.4 o K88
2021-08-12 01:05:21 C 22 55 08.81 -06 36 21.6 o K88
2021-08-12 10:58:49 C 22 59 05.94 -06 29 34.1 V T05
2021-08-12 11:03:26 C 22 59 07.63 -06 29 31.5 V T05
2021-08-12 11:28:39 C 22 59 16.50 -06 29 16.6 V T05
2021-08-12 11:33:57 C 22 59 18.39 -06 29 13.2 V T05
2021-08-12 11:34:16 C 22 59 18.509 -06 29 13.17 U F51
2021-08-12 12:10:10 C 22 59 31.215 -06 28 51.62 U F51
2021-08-14 00:59:45 C 23 14 19.70 -06 06 43.6 V K87
2021-08-14 01:07:09 C 23 14 22.50 -06 06 38.7 V K87
2021-08-14 01:14:33 C 23 14 25.28 -06 06 33.8 V K87
2021-08-14 10:57:42 C 23 18 27.38 -05 59 09.6 V T08
2021-08-14 11:01:42 C 23 18 28.83 -05 59 07.0 V T08
2021-08-14 11:09:07 C 23 18 31.61 -05 59 01.2 V T08
2021-08-14 11:50:21 C 23 18 46.79 -05 58 34.7 V T08
2021-08-14 22:43:46 C 23 23 19.56 -05 52 16.6 V A17
2021-08-14 23:00:48 C 23 23 26.21 -05 52 05.6 V A17
2021-08-14 23:17:47 C 23 23 32.79 -05 51 54.0 V A17
2021-08-14 23:57:27 C 23 23 48.00 -05 51 28.7 V K87