2021 NB1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5905318160 ± 2.00e+00
Semi-major axis (a)3.0464159697 AU ± 3.00e+00
Inclination (i)30.88405093° ± 4.00e+00
Long. of Asc. Node (Ω)116.27670083° ± 5.00e+00
Arg. of Perihelion (ω)205.27028909° ± 6.00e+00
Mean Anomaly (M)290.71069499° ± 3.87e+00
Mean Motion (n)0.1853653140°/day ± 2.74e-01
Perihelion dist (q)1.24741041 AU ± 6.22e+00
Aphelion dist (Q)4.84542152 AU ± 7.74e+00
Orbital Period5.31720990 yr ± 7.85e+00
Physical Parameters
H (abs. magnitude)21.83
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-13
RMS Residual0.234″
Uncertainty4
Orbit TypeAmor
MOID0.263549 AU
Observations Used26
Oppositions1
Arc Total2021-2021
First Observation Used2021-07-04
Last Observation Used2021-07-08
Observations (26)
Date Type RA Dec Mag Band Observatory
2021-07-04 13:42:40 C 21 32 11.456 -06 20 15.12 U F51
2021-07-04 14:01:40 C 21 32 13.967 -06 21 11.65 U F51
2021-07-04 14:20:42 C 21 32 16.495 -06 22 09.04 U F51
2021-07-05 09:37:38 C 21 35 01.546 -07 21 05.55 V F51
2021-07-05 09:46:48 C 21 35 02.783 -07 21 33.84 V F51
2021-07-05 09:56:04 C 21 35 04.064 -07 22 02.58 V F51
2021-07-05 13:19:13 C 21 35 31.843 -07 32 37.65 V 568
2021-07-05 13:20:38 C 21 35 32.035 -07 32 42.03 V 568
2021-07-05 13:22:03 C 21 35 32.226 -07 32 46.44 V 568
2021-07-05 13:23:29 C 21 35 32.423 -07 32 50.94 V 568
2021-07-05 23:46:14 C 21 37 02.90 -08 05 47.4 V L01
2021-07-05 23:52:58 C 21 37 03.87 -08 06 09.3 V L01
2021-07-05 23:59:42 C 21 37 04.78 -08 06 30.7 V L01
2021-07-06 00:06:49 C 21 37 05.77 -08 06 52.8 V L01
2021-07-06 00:52:21 C 21 37 12.19 -08 09 20.4 V 033
2021-07-06 00:56:26 C 21 37 12.77 -08 09 33.0 V 033
2021-07-06 01:00:30 C 21 37 13.34 -08 09 46.4 V 033
2021-07-06 07:47:23 C 21 38 12.58 -08 31 30.8 u H21
2021-07-06 07:56:43 C 21 38 13.90 -08 32 01.2 u H21
2021-07-07 11:09:31 C 21 42 17.061 -10 01 58.34 U F51
2021-07-07 11:27:23 C 21 42 19.630 -10 02 59.15 U F51
2021-07-07 11:45:14 C 21 42 22.212 -10 03 59.52 U F51
2021-07-07 12:03:06 C 21 42 24.791 -10 05 00.22 U F51
2021-07-08 10:23:31 C 21 45 49.32 -11 22 08.5 V G96
2021-07-08 10:35:44 C 21 45 51.08 -11 22 51.6 V G96
2021-07-08 10:41:52 C 21 45 52.01 -11 23 12.8 V G96