18736 (1998 NU)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4911399789 ± 8.50e-09
Semi-major axis (a)2.3496959498 AU ± 1.22e-09
Inclination (i)2.80616050° ± 8.43e-07
Long. of Asc. Node (Ω)297.42195380° ± 1.66e-05
Arg. of Perihelion (ω)222.90480980° ± 1.67e-05
Mean Anomaly (M)309.18689309° ± 6.93e-07
Mean Motion (n)0.2736495723°/day ± 2.12e-10
Perihelion dist (q)1.19566633 AU ± 2.00e-08
Aphelion dist (Q)3.50372557 AU ± 2.01e-08
Orbital Period3.60178266 yr ± 2.80e-09
Physical Parameters
H (abs. magnitude)15.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.233″
Uncertainty0
Orbit TypeAmor
MOID0.207942 AU
Observations Used1910
Oppositions52
Arc Total1954-2026
First Observation Used1954-05-25
Last Observation Used2026-01-12
Observations (2071)
Date Type RA Dec Mag Band Observatory
2019-02-28 21:05:29 C 08 01 27.98 +13 21 28.4 d L34
2019-02-28 21:06:44 C 08 01 28.07 +13 21 27.6 d L34
2019-02-28 21:08:17 C 08 01 28.17 +13 21 26.6 d L34
2019-02-28 21:10:10 C 08 01 28.28 +13 21 25.5 d L34
2019-03-01 04:37:47 C 08 02 01.24 +13 16 54.8 V 703
2019-03-01 04:46:34 C 08 02 01.81 +13 16 49.4 V 703
2019-03-01 04:55:21 C 08 02 02.38 +13 16 44.0 V 703
2019-03-01 05:04:08 C 08 02 02.95 +13 16 38.7 V 703
2019-03-01 13:14:28 C 08 02 39.44 +13 12 12.6 q 323
2019-03-01 14:04:45 C 08 02 42.76 +13 11 41.6 q 323
2019-03-01 19:36:54 C 08 03 08.46 +13 07 39.6 q 006
2019-03-01 19:38:54 C 08 03 08.60 +13 07 38.4 q 006
2019-03-01 19:40:54 C 08 03 08.74 +13 07 37.0 q 006
2019-03-01 19:42:55 C 08 03 08.87 +13 07 36.0 q 006
2019-03-01 19:44:55 C 08 03 09.04 +13 07 34.4 q 006
2019-03-01 19:46:54 C 08 03 09.15 +13 07 33.4 q 006
2019-03-01 19:48:54 C 08 03 09.28 +13 07 32.3 q 006
2019-03-01 19:50:54 C 08 03 09.42 +13 07 31.0 q 006
2019-03-02 18:37:51 C 08 04 54.30 +12 53 29.9 q 006
2019-03-02 18:40:52 C 08 04 54.50 +12 53 28.0 q 006
2019-03-02 18:43:51 C 08 04 54.68 +12 53 26.8 q 006
2019-03-02 18:46:51 C 08 04 54.94 +12 53 24.7 q 006
2019-03-02 18:49:52 C 08 04 55.14 +12 53 22.7 q 006
2019-03-02 18:52:51 C 08 04 55.37 +12 53 20.8 q 006
2019-03-02 18:55:51 C 08 04 55.58 +12 53 19.0 q 006
2019-03-02 18:58:52 C 08 04 55.79 +12 53 17.4 q 006
2019-03-02 19:56:04 C 08 04 59.64 +12 52 41.3 a 233
2019-03-02 20:02:11 C 08 05 00.08 +12 52 37.6 a 233
2019-03-02 20:07:43 C 08 05 00.47 +12 52 34.1 a 233
2019-03-02 20:13:17 C 08 05 00.87 +12 52 30.8 a 233
2019-03-02 20:18:50 C 08 05 01.27 +12 52 27.5 a 233
2019-03-03 08:49:52 C 08 05 59.61 +12 44 56.4 V T08
2019-03-03 09:13:32 C 08 06 01.28 +12 44 41.5 V T08
2019-03-03 09:22:21 C 08 06 01.91 +12 44 35.9 V T08
2019-03-03 09:40:15 C 08 06 03.18 +12 44 24.6 V T08
2019-03-04 13:37:14 C 08 08 20.24 +12 26 58.1 q D29
2019-03-04 13:57:36 C 08 08 21.76 +12 26 45.3 q D29
2019-03-04 14:17:57 C 08 08 23.28 +12 26 32.6 q D29
2019-03-04 21:49:12 C 08 09 00.43 +12 21 44.9 t 073
2019-03-04 22:10:08 C 08 09 02.08 +12 21 31.5 t 073
2019-03-04 22:31:04 C 08 09 03.71 +12 21 18.2 t 073
2019-03-04 22:41:31 C 08 09 04.54 +12 21 11.6 t 073
2019-03-05 21:36:36 C 08 11 02.92 +12 07 00.7 15.0 q J43
2019-03-05 21:48:52 C 08 11 03.89 +12 06 52.9 14.9 q J43
2019-03-05 22:01:08 C 08 11 04.85 +12 06 45.4 14.6 q J43
2019-03-05 22:13:25 C 08 11 05.81 +12 06 37.6 14.8 q J43
2019-03-06 18:58:48 C 08 12 55.59 +11 53 31.2 q K73
2019-03-06 19:02:58 C 08 12 55.90 +11 53 28.3 q K73
2019-03-06 19:08:50 C 08 12 56.39 +11 53 25.2 q K73
2019-03-06 19:14:53 C 08 12 57.00 +11 53 22.1 q K73