18109 (2000 NG11)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3676360803 ± 9.98e-09
Semi-major axis (a)1.8810913770 AU ± 5.43e-10
Inclination (i)0.80744478° ± 8.25e-07
Long. of Asc. Node (Ω)59.54383303° ± 5.38e-05
Arg. of Perihelion (ω)319.24950409° ± 5.39e-05
Mean Anomaly (M)270.31029565° ± 1.30e-06
Mean Motion (n)0.3820299725°/day ± 1.65e-10
Perihelion dist (q)1.18953432 AU ± 1.88e-08
Aphelion dist (Q)2.57264844 AU ± 1.88e-08
Orbital Period2.57997109 yr ± 1.12e-09
Physical Parameters
H (abs. magnitude)17.19
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.239″
Uncertainty0
Orbit TypeAmor
MOID0.189712 AU
Observations Used1458
Oppositions45
Arc Total1951-2025
First Observation Used1951-11-08
Last Observation Used2025-05-15
Observations (1590)
Date Type RA Dec Mag Band Observatory
2005-12-28 02:09:55 C 23 50 41.25 -01 13 10.4 19.7 c 704
2005-12-28 02:29:27 C 23 50 44.06 -01 12 49.8 20.2 c 704
2007-03-13 10:58:24 C 14 10 32.13 -12 20 57.3 o 691
2007-03-13 11:23:48 C 14 10 31.43 -12 20 54.0 o 691
2007-03-13 11:49:12 C 14 10 30.87 -12 20 51.8 o 691
2007-03-17 11:23:03 C 14 08 04.75 -12 07 50.2 o 691
2007-03-17 12:10:28 C 14 08 03.38 -12 07 43.2 o 691
2007-03-26 09:41:04 C 14 00 59.18 -11 29 57.0 r G96
2007-03-26 09:50:43 C 14 00 58.78 -11 29 54.6 r G96
2007-03-26 09:57:01 C 14 00 58.51 -11 29 53.3 o 691
2007-03-26 10:00:09 C 14 00 58.39 -11 29 53.0 r G96
2007-03-26 10:09:37 C 14 00 58.03 -11 29 50.9 r G96
2007-03-26 10:22:23 C 14 00 57.54 -11 29 47.9 o 691
2007-03-26 10:47:45 C 14 00 56.54 -11 29 42.2 o 691
2007-04-07 08:41:09 C 13 48 37.51 -10 23 01.3 r G96
2007-04-07 08:48:27 C 13 48 37.11 -10 22 58.6 r G96
2007-04-07 08:55:42 C 13 48 36.75 -10 22 57.2 r G96
2007-04-07 09:02:53 C 13 48 36.43 -10 22 55.2 r G96
2007-04-08 04:58:16 C 13 47 39.93 -10 17 43.9 o 691
2007-04-08 05:23:38 C 13 47 38.74 -10 17 37.6 o 691
2007-04-08 06:03:53 C 13 47 36.72 -10 17 27.2 o 691
2007-04-18 06:55:53 C 13 35 44.55 -09 11 48.6 r G96
2007-04-18 07:07:05 C 13 35 43.98 -09 11 45.5 r G96
2007-04-18 07:18:27 C 13 35 43.40 -09 11 42.1 r G96
2007-04-18 07:29:34 C 13 35 42.82 -09 11 39.1 r G96
2007-05-09 05:45:27 C 13 12 51.01 -07 02 53.0 r G96
2007-05-09 05:59:53 C 13 12 50.58 -07 02 50.7 r G96
2007-05-09 06:07:03 C 13 12 50.18 -07 02 48.4 r G96
2008-10-17 11:55:52 C 09 25 33.17 +15 41 23.2 o 691
2008-10-17 12:13:59 C 09 25 34.69 +15 41 16.4 o 691
2008-10-17 12:32:06 C 09 25 36.20 +15 41 09.2 o 691
2008-10-19 11:18:29 C 09 29 34.93 +15 23 08.6 o 691
2008-10-19 11:36:37 C 09 29 36.44 +15 23 01.2 o 691
2008-10-19 11:54:44 C 09 29 37.96 +15 22 53.3 o 691
2008-10-26 11:30:38 C 09 43 13.66 +14 19 12.3 o 691
2008-10-26 11:48:50 C 09 43 15.05 +14 19 06.3 o 691
2008-10-26 12:07:00 C 09 43 16.46 +14 18 58.6 o 691
2008-12-01 12:07:49 C 10 35 39.46 +09 50 02.2 o 691
2008-12-01 12:25:57 C 10 35 40.19 +09 49 58.5 o 691
2008-12-01 12:44:04 C 10 35 40.90 +09 49 54.6 o 691
2009-01-16 11:21:06 C 10 44 35.58 +09 27 09.3 o 691
2009-01-16 11:52:06 C 10 44 34.62 +09 27 15.5 o 691
2009-01-16 12:18:30 C 10 44 33.86 +09 27 20.7 o 691
2009-01-18 08:11:17 C 10 43 13.02 +09 36 35.0 19.4 c 704
2009-01-18 08:29:34 C 10 43 12.29 +09 36 37.3 20.0 c 704
2009-01-18 08:47:58 C 10 43 11.64 +09 36 41.4 19.9 c 704
2009-01-18 09:06:29 C 10 43 11.00 +09 36 46.0 19.7 c 704
2009-01-18 09:24:43 C 10 43 10.44 +09 36 49.8 20.0 c 704
2009-01-20 12:17:36 C 10 41 25.79 +09 48 24.0 o 691
2009-01-20 12:43:41 C 10 41 24.79 +09 48 30.0 o 691