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
2002-07-09 08:24:50 C 21 33 24.68 -09 32 28.5 19.5 c 704
2002-07-09 08:42:58 C 21 33 24.19 -09 32 47.0 19.5 c 704
2002-07-14 07:27:18 C 21 30 03.51 -11 36 17.1 19.3 c 704
2002-07-14 07:46:32 C 21 30 02.88 -11 36 37.6 19.9 c 704
2002-07-14 08:05:46 C 21 30 02.16 -11 37 00.0 19.8 c 704
2002-07-14 08:24:59 C 21 30 01.51 -11 37 21.6 19.4 c 704
2002-07-28 11:08:55 C 21 14 59.97 -18 54 05.2 20.0 c 608
2002-07-28 11:24:46 C 21 14 59.08 -18 54 28.2 20.0 c 608
2002-07-28 11:40:32 C 21 14 58.20 -18 54 50.5 21.1 c 608
2002-08-01 02:47:24 C 21 09 49.99 -21 03 21.8 m 859
2002-08-01 02:50:11 C 21 09 49.74 -21 03 25.2 m 859
2002-08-03 02:34:16 C 21 06 49.06 -22 15 45.2 m 859
2002-08-03 02:38:56 C 21 06 48.59 -22 15 51.8 m 859
2002-08-03 02:44:44 C 21 06 48.29 -22 16 00.4 m 859
2002-08-13 05:34:50 C 20 49 46.01 -28 30 38.0 18.0 c 704
2002-08-13 05:57:08 C 20 49 44.32 -28 31 12.3 18.1 c 704
2002-08-13 06:19:28 C 20 49 42.62 -28 31 45.6 18.3 c 704
2002-08-13 06:41:45 C 20 49 40.91 -28 32 19.8 18.2 c 704
2002-08-13 07:04:03 C 20 49 39.19 -28 32 53.5 18.2 c 704
2005-05-21 10:38:18 C 22 10 56.56 -05 53 34.9 r G96
2005-05-21 10:44:47 C 22 10 56.92 -05 53 36.2 r G96
2005-05-21 10:51:05 C 22 10 57.21 -05 53 37.3 r G96
2005-05-21 10:58:34 C 22 10 57.57 -05 53 39.1 r G96
2005-07-11 08:44:31 C 23 05 22.10 -18 37 07.7 o 699
2005-07-11 09:12:10 C 23 05 22.94 -18 37 41.5 o 699
2005-07-11 09:39:47 C 23 05 23.92 -18 38 19.6 o 699
2005-07-11 10:07:26 C 23 05 24.70 -18 38 55.5 o 699
2005-08-13 13:49:21 C 23 17 18.31 -43 15 12.5 r E12
2005-08-13 14:01:01 C 23 17 18.16 -43 15 39.2 r E12
2005-08-13 14:12:52 C 23 17 18.02 -43 16 05.6 r E12
2005-08-28 13:50:50 C 23 08 28.49 -56 10 10.4 r E14
2005-09-04 13:28:11 C 23 00 04.04 -61 17 07.7 r 423
2005-09-04 14:03:10 C 23 00 01.82 -61 18 06.7 r 423
2005-09-04 14:38:11 C 22 59 59.58 -61 19 05.7 r 423
2006-01-01 12:43:54 C 01 50 07.22 -55 07 42.2 r E12
2006-01-01 12:56:18 C 01 50 08.88 -55 07 20.5 r E12
2006-01-01 13:08:41 C 01 50 10.39 -55 06 58.7 r E12
2006-01-01 13:21:02 C 01 50 12.01 -55 06 37.3 r E12
2006-01-27 10:24:14 C 03 05 42.98 -31 55 32.6 r 428
2006-01-27 10:26:47 C 03 05 43.25 -31 55 24.9 r 428
2006-01-30 11:17:13 C 03 13 57.32 -28 37 33.1 r E12
2006-01-30 11:31:31 C 03 13 58.90 -28 36 53.2 r E12
2006-01-30 11:45:48 C 03 14 00.45 -28 36 13.4 r E12
2006-01-30 12:00:06 C 03 14 02.04 -28 35 34.3 r E12
2006-02-01 11:44:45 C 03 19 23.44 -26 23 35.5 r E12
2006-02-01 12:04:24 C 03 19 25.60 -26 22 40.4 r E12
2006-02-01 12:23:25 C 03 19 27.69 -26 21 47.4 r E12
2006-02-25 03:10:28 C 04 21 37.29 -00 36 52.8 r 703
2006-02-25 03:19:43 C 04 21 38.26 -00 36 29.7 r 703
2006-02-25 03:28:59 C 04 21 39.27 -00 36 06.8 r 703