2018 UD1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5999369762 ± 5.14e-06
Semi-major axis (a)2.3690868390 AU ± 3.20e-05
Inclination (i)4.34799018° ± 3.03e-05
Long. of Asc. Node (Ω)150.91459797° ± 1.91e-04
Arg. of Perihelion (ω)309.20102094° ± 1.73e-04
Mean Anomaly (M)323.30068737° ± 1.35e-02
Mean Motion (n)0.2702967389°/day ± 5.47e-06
Perihelion dist (q)0.94778404 AU ± 1.77e-05
Aphelion dist (Q)3.79038963 AU ± 5.26e-05
Orbital Period3.64646014 yr ± 7.38e-05
Physical Parameters
H (abs. magnitude)22.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.280″
Uncertainty2
Orbit TypeApollo
MOID0.029388 AU
Observations Used37
Oppositions1
Arc Total2018-2019
First Observation Used2018-10-17
Last Observation Used2019-03-08
Observations (37)
Date Type RA Dec Mag Band Observatory
2018-10-17 14:03:33 C 03 39 14.063 +02 35 17.22 U F52
2018-10-17 14:22:37 C 03 39 16.536 +02 35 00.38 U F52
2018-10-17 14:41:40 C 03 39 19.024 +02 34 43.71 U F52
2018-10-17 15:00:43 C 03 39 21.546 +02 34 26.36 U F52
2018-10-18 06:41:23 C 03 41 35.25 +02 20 13.8 o 291
2018-10-18 06:50:03 C 03 41 36.42 +02 20 06.2 o 291
2018-10-18 06:58:39 C 03 41 37.59 +02 19 58.2 o 291
2018-10-18 07:33:50 C 03 41 42.33 +02 19 25.8 V I52
2018-10-18 07:42:38 C 03 41 43.49 +02 19 17.6 V I52
2018-10-18 07:47:02 C 03 41 44.08 +02 19 13.5 V I52
2018-10-18 08:01:52 C 03 41 45.40 +02 18 57.0 u H21
2018-10-18 08:13:18 C 03 41 46.93 +02 18 46.1 u H21
2018-10-18 08:27:05 C 03 41 48.79 +02 18 34.1 u H21
2018-10-19 02:53:51 C 03 44 28.06 +02 01 13.7 V L01
2018-10-19 02:57:46 C 03 44 28.61 +02 01 10.2 V L01
2018-10-19 02:58:53 C 03 44 28.77 +02 01 09.1 V L01
2018-10-20 11:56:08 C 03 49 27.20 +01 28 35.8 o 291
2018-10-20 12:09:06 C 03 49 29.13 +01 28 22.9 o 291
2018-11-01 06:08:50 C 04 49 37.37 -05 09 00.8 u 807
2018-11-01 06:14:04 C 04 49 38.80 -05 09 10.8 u 807
2018-11-01 06:19:18 C 04 49 40.26 -05 09 20.7 u 807
2018-11-02 08:08:41 C 04 57 25.03 -05 59 53.6 V I52
2018-11-02 08:09:47 C 04 57 25.31 -05 59 55.8 V I52
2018-11-02 08:10:53 C 04 57 25.67 -05 59 56.9 V I52
2018-11-02 08:11:59 C 04 57 25.96 -05 59 59.8 V I52
2018-11-04 10:19:11 C 05 13 54.57 -07 43 34.0 V G96
2018-11-04 10:26:40 C 05 13 57.09 -07 43 50.0 V G96
2018-11-04 10:34:08 C 05 13 59.61 -07 44 06.3 V G96
2018-11-04 10:41:38 C 05 14 02.12 -07 44 22.7 V G96
2018-11-07 12:32:04 C 05 42 23.22 -10 32 55.6 V I52
2018-11-07 12:32:41 C 05 42 23.44 -10 32 56.7 V I52
2018-11-07 12:33:16 C 05 42 23.72 -10 32 57.8 V I52
2018-11-07 12:33:52 C 05 42 23.93 -10 32 59.7 V I52
2018-12-08 13:35:22 C 11 44 12.046 -20 31 23.83 V T12
2018-12-08 13:40:03 C 11 44 13.253 -20 31 21.22 V T12
2019-03-08 13:09:30 C 14 11 21.700 -06 41 41.74 V T12
2019-03-08 13:17:20 C 14 11 21.256 -06 41 37.08 V T12