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
1983-01-16 12:32:13 07 56 30.50 -15 03 42.9 413
1983-01-16 13:32:13 07 56 25.56 -14 59 40.7 413
1999-07-13 07:25:20 C 20 20 13.13 -02 13 59.2 19.7 a 704
1999-07-13 07:43:14 C 20 20 12.05 -02 14 13.0 19.6 a 704
1999-07-13 08:01:07 C 20 20 11.14 -02 14 29.3 20.0 a 704
1999-07-13 08:18:56 C 20 20 10.00 -02 14 42.6 20.1 a 704
1999-07-14 12:57:02 C 20 18 35.87 -02 37 56.8 426
1999-07-14 13:03:59 C 20 18 35.48 -02 38 03.1 426
1999-07-14 13:10:50 C 20 18 35.11 -02 38 08.1 426
1999-07-14 22:12:50 C 20 18 04.65 -02 45 48.2 557
1999-07-14 22:19:44 C 20 18 04.21 -02 45 53.8 557
1999-07-17 13:59:33 C 20 14 24.85 -03 40 34.5 426
1999-07-17 14:04:43 C 20 14 24.59 -03 40 39.6 426
1999-07-17 23:10:19 C 20 13 52.31 -03 48 53.8 557
1999-07-17 23:13:19 C 20 13 52.14 -03 48 56.6 557
1999-07-17 23:16:21 C 20 13 51.95 -03 48 58.5 557
1999-07-18 00:07:04 C 20 13 48.95 -03 49 43.9 d 046
1999-07-18 00:09:24 C 20 13 48.76 -03 49 45.2 d 046
1999-07-18 00:11:40 C 20 13 48.62 -03 49 47.6 d 046
1999-07-18 00:13:14 C 20 13 48.52 -03 49 50.2 d 046
1999-07-18 00:15:04 C 20 13 48.45 -03 49 50.9 d 046
1999-07-18 01:51:19 C 20 13 42.92 -03 51 10.0 z 859
1999-07-18 02:01:53 C 20 13 42.35 -03 51 19.0 z 859
1999-07-18 02:12:48 C 20 13 41.64 -03 51 29.7 z 859
1999-07-23 08:53:05 C 20 05 55.15 -05 50 55.5 848
1999-07-23 09:01:03 C 20 05 54.60 -05 51 03.3 848
1999-07-23 09:06:14 C 20 05 54.32 -05 51 08.6 848
1999-07-23 09:11:13 C 20 05 53.97 -05 51 13.2 848
1999-07-23 14:25:36 C 20 05 34.15 -05 56 24.8 z 402
1999-07-23 14:27:24 C 20 05 34.10 -05 56 25.5 z 402
1999-07-23 14:29:13 C 20 05 33.97 -05 56 27.4 z 402
1999-07-23 14:31:03 C 20 05 33.82 -05 56 28.9 z 402
1999-07-30 15:09:51 C 19 54 36.75 -08 51 15.3 z 402
1999-07-30 15:11:39 C 19 54 36.62 -08 51 16.8 z 402
1999-07-30 15:13:28 C 19 54 36.55 -08 51 18.7 z 402
1999-08-02 07:25:11 C 19 50 22.58 -10 01 13.5 658
1999-08-02 07:28:45 C 19 50 22.26 -10 01 18.6 658
1999-08-02 07:48:19 C 19 50 21.03 -10 01 38.8 658
1999-08-13 13:41:59 C 19 33 06.80 -15 03 17.6 360
1999-08-13 13:49:15 C 19 33 06.35 -15 03 26.1 360
1999-08-21 13:24:42 C 19 22 26.04 -18 32 43.9 413
1999-08-21 13:29:10 C 19 22 25.85 -18 32 48.5 413
2000-02-26 09:56:47 C 01 21 55.51 -23 59 06.8 413
2000-02-26 09:59:20 C 01 21 55.89 -23 59 03.9 413
2000-02-27 10:09:21 C 01 25 32.56 -23 32 43.9 413
2000-02-27 10:11:59 C 01 25 32.98 -23 32 41.1 413
2001-05-17 07:27:49 C 16 12 08.351 +45 16 38.02 e 645
2001-05-17 07:32:49 C 16 12 08.061 +45 16 37.95 22.12 e 645
2002-07-09 07:48:40 C 21 33 25.55 -09 31 52.8 19.6 c 704
2002-07-09 08:06:48 C 21 33 25.10 -09 32 11.0 19.6 c 704