2013 UL9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5534679269 ± 2.00e+00
Semi-major axis (a)2.4732207178 AU ± 3.00e+00
Inclination (i)10.24456725° ± 4.00e+00
Long. of Asc. Node (Ω)217.33736698° ± 5.00e+00
Arg. of Perihelion (ω)184.08778387° ± 6.00e+00
Mean Anomaly (M)35.94147227° ± 1.82e-01
Mean Motion (n)0.2534016500°/day ± 4.61e-01
Perihelion dist (q)1.10437270 AU ± 5.12e+00
Aphelion dist (Q)3.84207110 AU ± 6.80e+00
Orbital Period3.88950760 yr ± 7.08e+00
Physical Parameters
H (abs. magnitude)24.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.228″
Uncertainty3
Orbit TypeAmor
MOID0.110983 AU
Observations Used26
Oppositions1
Arc Total2013-2013
First Observation Used
Last Observation Used2013-11-08
Observations (28)
Date Type RA Dec Mag Band Observatory
2013-10-30 06:42:45 C 02 23 54.82 +15 11 27.1 q 703
2013-10-30 06:49:17 C 02 23 56.92 +15 11 05.7 q 703
2013-10-30 06:55:48 C 02 23 59.18 +15 10 42.7 q 703
2013-10-30 07:02:20 C 02 24 01.19 +15 10 21.1 q 703
2013-10-30 20:25:35 C 02 28 40.26 +14 24 47.8 q C43
2013-10-30 21:34:46 C 02 29 03.30 +14 21 00.7 q 595
2013-10-30 21:45:33 C 02 29 06.86 +14 20 23.8 q 595
2013-10-30 21:56:19 C 02 29 10.38 +14 19 47.7 q 595
2013-10-30 22:53:57 C 02 29 30.18 +14 16 33.9 u I93
2013-10-30 23:04:42 C 02 29 33.68 +14 15 58.1 u I93
2013-10-30 23:15:13 C 02 29 37.15 +14 15 22.2 u I93
2013-10-31 05:18:43 C 02 31 44.00 +13 54 55.8 t 673
2013-10-31 05:27:29 C 02 31 46.82 +13 54 26.7 t 673
2013-11-02 04:54:30 C 02 47 48.37 +11 11 02.8 u H21
2013-11-02 05:04:01 C 02 47 51.36 +11 10 29.9 u H21
2013-11-02 05:13:31 C 02 47 54.36 +11 09 57.3 u H21
2013-11-02 05:18:38 C 02 47 57.77 +11 09 48.0 o 926
2013-11-02 05:29:06 C 02 48 01.09 +11 09 12.4 o 926
2013-11-02 05:38:13 C 02 48 03.93 +11 08 40.7 o 926
2013-11-04 03:04:25 C 03 02 53.29 +08 33 25.3 u 807
2013-11-04 03:10:51 C 03 02 55.24 +08 33 03.4 u 807
2013-11-04 03:17:52 C 03 02 57.35 +08 32 39.5 u 807
2013-11-07 05:45:44 C 03 25 40.64 +04 23 55.4 u H21
2013-11-07 06:00:02 C 03 25 44.56 +04 23 09.9 u H21
2013-11-07 06:15:28 C 03 25 48.77 +04 22 20.5 u H21
2013-11-08 07:13:02 C 03 32 56.79 +03 04 14.6 o 926
2013-11-08 07:22:56 C 03 32 59.38 +03 03 44.3 o 926
2013-11-08 07:32:32 C 03 33 01.88 +03 03 14.6 o 926