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
2021-08-15 00:04:45 C 23 23 50.81 -05 51 23.9 V K87
2021-08-15 00:12:00 C 23 23 53.60 -05 51 19.3 V K87
2021-08-15 11:23:16 C 23 28 32.95 -05 42 41.3 V T05
2021-08-15 11:25:54 C 23 28 34.00 -05 42 39.5 V T05
2021-08-15 11:40:29 C 23 28 39.42 -05 42 29.8 V T05
2021-08-15 11:52:52 C 23 28 44.08 -05 42 21.4 V T05
2021-08-16 18:05:22 C 23 41 22.23 -05 21 29.1 q D29
2021-08-16 18:25:43 C 23 41 29.98 -05 21 14.5 q D29
2021-08-16 18:46:05 C 23 41 37.79 -05 21 00.0 q D29
2021-08-17 12:15:50 C 23 49 02.276 -05 07 46.99 U F51
2021-08-17 12:32:58 C 23 49 08.763 -05 07 34.40 U F51
2021-08-17 12:50:09 C 23 49 15.280 -05 07 21.67 U F51
2021-08-17 13:07:23 C 23 49 21.808 -05 07 08.89 U F51
2021-08-18 11:23:38 C 23 58 50.12 -04 50 29.9 V T08
2021-08-18 11:33:34 C 23 58 53.85 -04 50 23.6 V T08
2021-08-18 11:36:14 C 23 58 54.83 -04 50 20.7 V T08
2021-08-18 11:47:27 C 23 58 59.06 -04 50 12.9 V T08
2021-09-04 13:56:36 C 02 19 11.180 -00 17 46.28 U F51
2021-09-04 14:50:10 C 02 19 21.652 -00 17 21.99 U F51
2021-09-05 11:22:03 C 02 24 04.970 -00 08 19.83 U F51
2021-09-05 11:44:32 C 02 24 09.246 -00 08 10.18 U F51
2021-09-05 12:07:01 C 02 24 13.485 -00 08 00.62 U F51
2021-09-05 12:28:46 C 02 24 17.541 -00 07 51.33 U F51
2021-09-10 10:15:20 C 02 46 31.81 +00 35 10.9 V G96
2021-09-10 10:23:27 C 02 46 32.89 +00 35 13.4 V G96
2021-09-10 10:31:33 C 02 46 33.98 +00 35 16.0 V G96
2021-09-10 10:39:40 C 02 46 35.07 +00 35 18.5 V G96
2021-09-14 09:29:40 C 03 00 07.65 +01 01 57.1 U I41
2021-09-14 09:50:48 C 03 00 09.74 +01 02 02.6 U I41
2021-09-14 10:37:31 C 03 00 14.37 +01 02 14.2 U I41
2021-09-14 10:39:32 C 03 00 14.57 +01 02 14.8 U I41
2021-10-03 18:22:38 C 03 27 55.96 +02 17 11.9 V D29
2021-10-03 18:44:16 C 03 27 55.75 +02 17 13.6 V D29
2021-10-15 09:13:59 C 03 24 56.30 +02 51 43.7 o 691
2021-10-15 09:35:04 C 03 24 55.44 +02 51 45.9 o 691
2021-10-15 09:56:10 C 03 24 54.54 +02 51 49.2 o 691
2021-10-17 09:38:20 C 03 23 33.46 +02 59 01.6 o 291
2021-10-17 09:52:24 C 03 23 32.82 +02 59 04.0 o 291
2021-10-17 10:06:24 C 03 23 32.19 +02 59 06.4 o 291
2021-11-01 11:23:23 C 03 09 44.533 +04 11 59.06 U F52
2021-11-01 11:41:09 C 03 09 43.586 +04 12 03.51 U F52
2021-11-01 11:58:48 C 03 09 42.647 +04 12 07.90 U F52
2021-11-01 12:16:20 C 03 09 41.715 +04 12 12.03 U F52