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
2025-10-30 09:39:56 C 03 14 56.314 +22 55 28.52 V T05
2025-10-30 10:30:52 C 03 14 53.806 +22 55 21.61 V T05
2025-10-30 10:35:26 C 03 14 53.575 +22 55 20.82 V T05
2025-10-30 13:01:38 C 03 14 46.396 +22 54 59.71 X F51
2025-10-30 13:19:06 C 03 14 45.542 +22 54 57.11 X F51
2025-10-30 13:36:36 C 03 14 44.687 +22 54 54.50 X F51
2025-10-30 13:54:03 C 03 14 43.836 +22 54 51.87 X F51
2025-10-31 11:33:23 C 03 13 41.974 +22 51 42.12 V T05
2025-10-31 12:00:47 C 03 13 40.615 +22 51 37.55 V T05
2025-10-31 12:06:14 C 03 13 40.330 +22 51 36.58 V T05
2025-10-31 12:20:26 C 03 13 39.638 +22 51 34.56 V T05
2025-11-02 05:05:14 C 03 11 39.743 +22 45 09.68 V G96
2025-11-02 05:12:53 C 03 11 39.354 +22 45 08.42 V G96
2025-11-02 05:20:30 C 03 11 38.972 +22 45 06.91 V G96
2025-11-02 05:28:08 C 03 11 38.573 +22 45 05.80 V G96
2025-11-09 11:18:07 C 03 02 23.011 +22 11 57.44 V T08
2025-11-09 11:22:04 C 03 02 22.790 +22 11 56.40 V T08
2025-11-09 11:29:32 C 03 02 22.361 +22 11 55.00 V T08
2025-11-09 11:44:48 C 03 02 21.458 +22 11 51.68 V T08
2025-11-10 11:34:36 C 03 01 01.292 +22 06 35.23 X F52
2025-11-10 11:41:47 C 03 01 00.859 +22 06 33.62 V T05
2025-11-10 11:45:48 C 03 01 00.646 +22 06 32.87 V T05
2025-11-10 11:51:35 C 03 01 00.304 +22 06 31.33 X F52
2025-11-10 11:55:01 C 03 01 00.091 +22 06 30.49 V T05
2025-11-10 12:08:45 C 03 00 59.306 +22 06 27.40 X F52
2025-11-10 12:12:51 C 03 00 59.078 +22 06 26.46 V T05
2025-11-10 12:25:48 C 03 00 58.314 +22 06 23.49 X F52
2025-11-11 10:35:55 C 02 59 43.262 +22 01 20.89 V T05
2025-11-11 10:39:55 C 02 59 43.015 +22 01 20.03 V T05
2025-11-11 10:46:30 C 02 59 42.626 +22 01 18.55 V T05
2025-11-11 10:47:49 C 02 59 42.540 +22 01 18.19 V T05
2025-11-11 10:51:07 C 02 59 42.336 +22 01 18.12 V T05
2025-11-11 11:02:43 C 02 59 41.654 +22 01 14.99 V T05
2025-11-11 11:05:20 C 02 59 41.522 +22 01 14.27 V T05
2025-11-11 11:18:26 C 02 59 40.728 +22 01 11.14 V T05
2025-11-11 13:08:34 C 02 59 34.91 +22 00 43.6 V D29
2025-11-11 13:28:56 C 02 59 33.72 +22 00 38.9 V D29
2025-11-11 13:49:18 C 02 59 32.53 +22 00 34.3 V D29
2025-11-12 12:47:51 C 02 58 13.99 +21 55 10.1 V D29
2025-11-12 13:08:12 C 02 58 12.79 +21 55 05.0 V D29
2025-11-12 13:28:34 C 02 58 11.60 +21 55 00.5 V D29
2025-11-13 17:10:45 C 02 56 35.78 +21 48 18.7 V D29
2025-11-13 17:24:03 C 02 56 35.002 +21 48 22.00 V P07
2025-11-13 17:31:07 C 02 56 34.57 +21 48 13.7 V D29
2025-11-13 17:51:29 C 02 56 33.36 +21 48 08.6 V D29
2025-11-13 17:56:50 C 02 56 33.038 +21 48 14.47 V P07
2025-11-13 18:18:47 C 02 56 31.752 +21 48 08.50 V P07
2025-11-13 18:44:36 C 02 56 30.209 +21 48 02.02 V P07
2025-11-13 19:10:05 C 02 56 28.687 +21 47 54.85 V P07
2025-11-13 19:10:27 C 02 56 28.687 +21 47 54.71 V P07