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
2013-06-11 08:08:09 C 18 05 30.45 +27 15 57.4 u H21
2013-07-09 07:31:33 C 17 30 37.753 +23 15 36.03 L F51
2013-07-09 07:47:59 C 17 30 36.977 +23 15 26.66 L F51
2013-07-11 04:51:18 C 17 28 34.56 +22 48 48.5 t H21
2013-07-11 05:05:47 C 17 28 33.86 +22 48 39.8 t H21
2013-07-11 05:21:05 C 17 28 33.18 +22 48 30.1 t H21
2014-11-19 11:07:50 C 10 58 34.37 +00 57 49.0 q 703
2014-11-19 11:16:35 C 10 58 35.10 +00 57 54.1 q 703
2014-11-19 11:25:22 C 10 58 35.98 +00 57 59.8 q 703
2014-11-19 11:34:10 C 10 58 36.80 +00 58 04.3 q 703
2014-11-27 11:45:23 C 11 16 07.01 +03 01 46.3 q 703
2014-11-27 11:53:38 C 11 16 07.70 +03 01 51.0 q 703
2014-11-27 12:01:54 C 11 16 08.41 +03 01 57.7 q 703
2014-11-27 12:10:09 C 11 16 09.13 +03 02 03.7 q 703
2014-12-24 11:06:38 C 12 09 31.05 +13 05 10.0 q 703
2014-12-24 11:10:58 C 12 09 31.36 +13 05 14.6 q 703
2014-12-24 11:15:17 C 12 09 31.59 +13 05 19.7 q 703
2014-12-29 12:44:42 C 12 18 15.87 +15 37 33.2 R G45
2014-12-29 12:49:20 C 12 18 16.19 +15 37 39.6 R G45
2014-12-29 12:53:43 C 12 18 16.47 +15 37 45.2 R G45
2014-12-29 12:58:06 C 12 18 16.78 +15 37 51.0 R G45
2014-12-29 13:00:41 C 12 18 16.91 +15 37 54.5 R G45
2014-12-29 14:37:08 C 12 18 23.887 +15 40 01.73 L F51
2014-12-29 14:55:48 C 12 18 25.152 +15 40 26.25 L F51
2014-12-29 15:33:35 C 12 18 27.706 +15 41 15.80 L F51
2014-12-30 12:40:49 C 12 19 55.45 +16 09 06.3 R G45
2014-12-30 12:47:05 C 12 19 55.91 +16 09 14.4 R G45
2014-12-30 12:53:02 C 12 19 56.33 +16 09 23.2 R G45
2014-12-30 12:56:38 C 12 19 56.59 +16 09 26.2 R G45
2015-01-07 12:52:08 C 12 32 25.45 +20 40 29.2 q 448
2015-01-07 13:01:18 C 12 32 25.97 +20 40 43.7 q 448
2015-01-07 13:11:52 C 12 32 26.62 +20 40 59.2 q 448
2015-01-18 08:46:44 C 12 46 30.91 +27 32 52.1 q 703
2015-01-18 08:52:32 C 12 46 31.23 +27 33 00.7 q 703
2015-01-18 08:58:19 C 12 46 31.41 +27 33 11.3 q 703
2015-01-18 09:04:05 C 12 46 31.72 +27 33 21.6 q 703
2015-02-05 10:31:53 C 12 59 57.00 +39 55 23.0 u H21
2015-02-05 10:39:41 C 12 59 57.09 +39 55 35.9 u H21
2015-02-05 10:46:41 C 12 59 57.16 +39 55 47.6 u H21
2015-02-05 10:53:03 C 12 59 57.24 +39 55 58.2 u H21
2015-02-26 10:08:53 C 12 53 47.24 +52 22 02.0 q 703
2015-02-26 10:13:13 C 12 53 47.08 +52 22 06.9 q 703
2015-02-26 10:17:35 C 12 53 46.91 +52 22 11.2 q 703
2015-02-26 10:21:56 C 12 53 46.80 +52 22 16.0 q 703
2015-03-01 13:03:27 C 12 50 38.810 +53 47 41.74 L F51
2015-03-01 13:22:34 C 12 50 37.863 +53 48 02.58 L F51
2015-03-01 13:41:45 C 12 50 36.915 +53 48 23.32 L F51
2015-03-25 06:37:19 C 12 15 03.03 +60 06 24.2 q 703
2015-03-25 06:43:11 C 12 15 02.53 +60 06 26.5 q 703
2015-03-25 06:54:56 C 12 15 01.76 +60 06 30.5 q 703