101873 (1999 NC5)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3931497744 ± 3.73e-09
Semi-major axis (a)2.0293571213 AU ± 3.43e-09
Inclination (i)45.78984331° ± 5.66e-07
Long. of Asc. Node (Ω)128.77397658° ± 6.22e-07
Arg. of Perihelion (ω)295.27040132° ± 1.00e-06
Mean Anomaly (M)315.94051555° ± 3.89e-06
Mean Motion (n)0.3409373305°/day ± 8.65e-10
Perihelion dist (q)1.23151583 AU ± 7.85e-09
Aphelion dist (Q)2.82719842 AU ± 8.96e-09
Orbital Period2.89093096 yr ± 7.33e-09
Physical Parameters
H (abs. magnitude)16.39
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.016″
Uncertainty0
Orbit TypeAmor
MOID0.437761 AU
Observations Used577
Gaia Obs Used56
Oppositions22
Arc Total1983-2016
First Observation Used1983-01-16
Last Observation Used2025-08-03
Observations (606)
Date Type RA Dec Mag Band Observatory
2015-04-01 02:47:33 C 12 04 25.94 +60 31 25.9 u H21
2015-04-01 02:55:51 C 12 04 25.43 +60 31 26.6 u H21
2015-04-01 03:03:47 C 12 04 24.90 +60 31 26.8 u H21
2015-04-04 09:47:46 C 11 59 49.735 +60 32 33.07 L F51
2015-04-04 10:07:09 C 11 59 48.574 +60 32 32.75 L F51
2015-04-04 10:45:58 C 11 59 46.279 +60 32 31.75 L F51
2015-05-03 07:12:39 C 11 40 48.831 +57 12 15.66 L F51
2015-05-03 07:31:42 C 11 40 48.796 +57 12 06.53 L F51
2015-05-03 07:50:44 C 11 40 48.749 +57 11 57.75 L F51
2015-05-03 08:09:45 C 11 40 48.768 +57 11 48.60 L F51
2015-05-13 06:32:44 C 11 42 49.598 +55 10 20.05 L F51
2015-05-13 06:53:34 C 11 42 49.895 +55 10 08.69 L F51
2015-05-13 07:14:25 C 11 42 50.177 +55 09 57.40 L F51
2015-05-13 07:35:12 C 11 42 50.453 +55 09 46.15 L F51
2016-07-03 06:42:21 C 18 11 32.13 +19 59 19.4 q G96
2016-07-03 06:49:39 C 18 11 31.70 +19 59 16.1 q G96
2016-07-03 06:57:00 C 18 11 31.25 +19 59 14.1 q G96
2016-07-03 07:04:20 C 18 11 30.89 +19 59 09.3 q G96
2016-07-14 04:15:53 C 17 57 56.93 +17 36 20.1 q G96
2016-07-14 04:24:12 C 17 57 56.50 +17 36 14.3 q G96
2016-07-14 04:32:32 C 17 57 56.15 +17 36 09.6 q G96
2016-07-14 04:40:53 C 17 57 55.74 +17 36 04.3 q G96
2016-08-27 07:01:18 C 17 31 11.598 +03 49 57.07 L F51
2016-08-27 07:18:21 C 17 31 11.593 +03 49 43.17 L F51
2017-11-23 21:00:06 C 12 04 03.32 +12 26 31.5 q D29
2017-11-23 21:16:38 C 12 04 04.88 +12 26 38.7 q D29
2017-11-23 21:33:11 C 12 04 06.53 +12 26 46.0 q D29
2017-12-14 12:32:46 C 12 49 43.47 +16 53 33.1 U G96
2017-12-14 12:40:14 C 12 49 44.10 +16 53 37.5 U G96
2017-12-14 12:47:44 C 12 49 44.77 +16 53 42.4 U G96
2017-12-14 12:55:12 C 12 49 45.41 +16 53 47.6 U G96
2017-12-19 12:30:16 C 13 00 10.01 +18 14 46.5 U G96
2017-12-19 12:38:32 C 13 00 10.71 +18 14 52.2 U G96
2017-12-19 12:46:58 C 13 00 11.42 +18 14 57.7 U G96
2017-12-19 12:55:21 C 13 00 12.13 +18 15 04.2 U G96
2017-12-25 12:22:58 C 13 12 17.31 +20 01 42.8 U 703
2017-12-25 12:30:36 C 13 12 17.95 +20 01 48.0 U 703
2017-12-25 12:38:14 C 13 12 18.50 +20 01 54.2 U 703
2017-12-25 12:45:53 C 13 12 19.21 +20 01 59.3 U 703
2017-12-26 12:12:04 C 13 14 15.00 +20 20 25.4 U G96
2017-12-26 12:21:28 C 13 14 15.75 +20 20 32.9 U G96
2017-12-26 12:28:54 C 13 14 16.35 +20 20 38.5 U G96
2017-12-26 12:38:16 C 13 14 17.10 +20 20 45.7 U G96
2018-01-12 11:58:51 C 13 45 22.32 +26 25 34.6 U G96
2018-01-12 12:06:17 C 13 45 22.84 +26 25 41.8 U G96
2018-01-12 12:13:42 C 13 45 23.34 +26 25 49.3 U G96
2018-01-12 12:21:06 C 13 45 23.84 +26 25 56.7 U G96
2018-01-18 10:41:13 C 13 54 55.79 +28 52 13.3 U 703
2018-01-18 10:58:38 C 13 54 56.91 +28 52 35.4 U 703
2018-01-18 11:06:11 C 13 54 57.37 +28 52 43.5 U 703