2021 UP1

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7452356000
Semi-major axis (a)2.7503943000 AU
Inclination (i)42.57669000°
Long. of Asc. Node (Ω)222.68792000°
Arg. of Perihelion (ω)67.89887000°
Mean Anomaly (M)338.98029000°
Mean Motion (n)0.2160785400°/day
Perihelion dist (q)0.70070260 AU
Aphelion dist (Q)4.80008600 AU
Orbital Period4.56133990 yr
Physical Parameters
H (abs. magnitude)20.75
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.710″
Uncertainty7
Orbit TypeApollo
MOID0.041619 AU
Observations Used55
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-11-08
Observations (58)
Date Type RA Dec Mag Band Observatory
2021-10-25 09:41:12 C 01 58 17.87 +37 06 45.4 V G96
2021-10-25 09:48:40 C 01 58 17.17 +37 06 13.9 V G96
2021-10-25 09:56:08 C 01 58 16.41 +37 05 42.3 V G96
2021-10-25 10:03:35 C 01 58 15.60 +37 05 11.1 V G96
2021-10-25 11:15:04 C 01 58 08.32 +37 00 07.6 V G96
2021-10-25 11:15:40 C 01 58 08.30 +37 00 05.2 V G96
2021-10-25 11:17:39 C 01 58 08.07 +36 59 56.5 V G96
2021-10-25 11:19:42 C 01 58 07.88 +36 59 48.0 V G96
2021-10-26 03:32:26 C 01 56 36.79 +35 52 11.7 V I52
2021-10-26 03:33:32 C 01 56 36.73 +35 52 07.1 V I52
2021-10-26 05:25:43 C 01 56 25.13 +35 44 24.8 u H21
2021-10-26 05:32:34 C 01 56 24.49 +35 43 56.5 u H21
2021-10-26 20:51:07 C 01 55 01.79 +34 41 12.3 V L06
2021-10-26 20:51:48 C 01 55 01.74 +34 41 09.6 V L06
2021-10-26 20:52:32 C 01 55 01.68 +34 41 06.6 V L06
2021-10-26 23:54:31 C 01 54 44.69 +34 28 49.1 V L01
2021-10-26 23:58:14 C 01 54 44.33 +34 28 33.8 V L01
2021-10-27 00:01:59 C 01 54 43.98 +34 28 18.5 V L01
2021-10-27 00:05:46 C 01 54 43.62 +34 28 03.5 V L01
2021-10-27 00:11:58 C 01 54 43.08 +34 27 38.5 V L01
2021-10-27 05:42:17 C 01 54 14.69 +34 05 29.1 u H21
2021-10-27 05:52:52 C 01 54 13.72 +34 04 46.4 u H21
2021-10-27 05:58:10 C 01 54 13.26 +34 04 25.1 u H21
2021-10-27 06:06:35 C 01 54 13.10 +34 03 52.3 V 654
2021-10-27 06:18:07 C 01 54 12.02 +34 03 06.3 V 654
2021-10-27 07:30:51 C 01 54 06.287 +33 58 16.91 U F52
2021-10-27 07:48:09 C 01 54 04.712 +33 57 07.86 U F52
2021-10-27 08:23:02 C 01 54 01.542 +33 54 48.74 U F52
2021-10-28 03:34:29 C 01 52 26.43 +32 38 38.8 V I52
2021-10-28 03:35:27 C 01 52 26.40 +32 38 36.0 V I52
2021-10-28 03:36:25 C 01 52 26.15 +32 38 31.8 V I52
2021-10-28 05:11:13 C 01 52 18.24 +32 32 23.2 V 291
2021-10-28 05:13:42 C 01 52 18.04 +32 32 13.6 V 291
2021-10-28 05:16:50 C 01 52 17.74 +32 32 01.1 V 291
2021-10-29 02:47:46 C 01 50 38.35 +31 09 00.7 o 691
2021-10-29 02:52:16 C 01 50 37.95 +31 08 42.1 o 691
2021-10-29 02:56:46 C 01 50 37.60 +31 08 25.2 o 691
2021-10-30 10:45:28 C 01 48 19.69 +29 09 59.2 o 691
2021-10-30 10:57:42 C 01 48 18.82 +29 09 14.1 o 691
2021-10-30 11:09:56 C 01 48 17.94 +29 08 29.3 o 691
2021-10-30 18:22:01 C 01 47 49.36 +28 42 25.6 V D29
2021-10-30 18:44:56 C 01 47 47.67 +28 41 02.9 V D29
2021-10-31 06:37:02 C 01 47 03.215 +27 58 46.94 U F51
2021-10-31 06:55:42 C 01 47 01.971 +27 57 39.46 U F51
2021-10-31 07:14:20 C 01 47 00.707 +27 56 33.98 U F51
2021-10-31 07:32:54 C 01 46 59.446 +27 55 28.49 U F51
2021-11-04 05:24:20 C 01 41 50.83 +22 46 43.8 V I52
2021-11-04 05:36:20 C 01 41 50.19 +22 46 07.6 V I52
2021-11-04 05:48:20 C 01 41 49.58 +22 45 31.0 V I52
2021-11-04 05:49:26 C 01 41 49.52 +22 45 27.5 V I52