4947 Ninkasi (1988 TJ1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1684400316 ± 2.00e+00
Semi-major axis (a)1.3701127590 AU ± 3.00e+00
Inclination (i)15.65180501° ± 4.00e+00
Long. of Asc. Node (Ω)215.42213933° ± 5.00e+00
Arg. of Perihelion (ω)192.96274282° ± 6.00e+00
Mean Anomaly (M)30.35999586° ± 8.59e-06
Mean Motion (n)0.6145791326°/day ± 2.02e+00
Perihelion dist (q)1.13933092 AU ± 3.71e+00
Aphelion dist (Q)1.60089460 AU ± 4.45e+00
Orbital Period1.60374186 yr ± 5.27e+00
NGA Modelr2
A2-1.97295877e-06 AU/d²
Physical Parameters
H (abs. magnitude)18.07
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.365″
Uncertainty0
Orbit TypeAmor
MOID0.148389 AU
Observations Used954
Oppositions18
Arc Total1978-2026
First Observation Used1978-02-17
Last Observation Used2026-03-26
Observations (999)
Date Type RA Dec Mag Band Observatory
2012-07-19 00:00:30 C 20 51 17.22 +31 02 31.5 c A24
2012-07-19 00:02:34 C 20 51 17.19 +31 02 32.6 c A24
2012-07-19 00:24:06 C 20 51 16.23 +31 02 50.9 c A24
2012-07-19 00:48:53 C 20 51 15.11 +31 03 10.9 c A24
2012-07-19 01:09:42 C 20 51 14.27 +31 03 26.9 c A24
2012-07-19 01:11:47 C 20 51 14.23 +31 03 28.9 c A24
2012-07-23 23:36:05 C 20 46 17.84 +32 30 56.3 c A24
2012-07-23 23:38:10 C 20 46 17.76 +32 30 57.9 c A24
2012-07-23 23:58:46 C 20 46 16.71 +32 31 11.5 c A24
2012-07-24 00:22:39 C 20 46 15.53 +32 31 27.4 c A24
2012-07-24 00:42:33 C 20 46 14.53 +32 31 40.8 c A24
2012-07-24 00:44:38 C 20 46 14.44 +32 31 42.1 c A24
2012-07-26 23:33:12 C 20 42 52.36 +33 15 34.0 c A24
2012-07-26 23:35:17 C 20 42 52.27 +33 15 35.4 c A24
2012-07-26 23:57:14 C 20 42 51.08 +33 15 47.1 c A24
2012-07-27 00:30:57 C 20 42 49.24 +33 16 06.8 c A24
2012-07-27 00:43:43 C 20 42 48.54 +33 16 14.0 c A24
2012-07-27 00:45:47 C 20 42 48.45 +33 16 15.6 c A24
2012-07-27 23:03:21 C 20 41 41.52 +33 28 38.1 u C73
2012-07-27 23:04:31 C 20 41 41.42 +33 28 38.2 u C73
2012-07-27 23:05:40 C 20 41 41.40 +33 28 39.1 u C73
2012-07-27 23:06:50 C 20 41 41.30 +33 28 39.5 u C73
2012-07-27 23:07:59 C 20 41 41.25 +33 28 40.1 u C73
2012-07-27 23:09:09 C 20 41 41.19 +33 28 40.9 u C73
2012-07-27 23:10:18 C 20 41 41.14 +33 28 41.7 u C73
2012-07-27 23:11:28 C 20 41 41.08 +33 28 42.3 u C73
2012-07-27 23:12:36 C 20 41 40.98 +33 28 42.7 u C73
2012-07-27 23:13:47 C 20 41 40.91 +33 28 43.6 u C73
2012-07-27 23:14:55 C 20 41 40.87 +33 28 43.9 u C73
2012-07-27 23:16:05 C 20 41 40.79 +33 28 44.3 u C73
2012-07-27 23:17:14 C 20 41 40.74 +33 28 44.9 u C73
2012-07-27 23:18:24 C 20 41 40.69 +33 28 46.5 u C73
2012-07-27 23:19:33 C 20 41 40.64 +33 28 45.6 u C73
2012-07-27 23:20:43 C 20 41 40.56 +33 28 47.0 u C73
2012-07-27 23:21:52 C 20 41 40.53 +33 28 48.1 u C73
2012-07-27 23:23:02 C 20 41 40.40 +33 28 48.6 u C73
2012-08-06 22:21:52 C 20 28 34.64 +34 54 59.4 c A24
2012-08-06 22:22:54 C 20 28 34.58 +34 54 59.3 c A24
2012-08-06 22:23:57 C 20 28 34.50 +34 54 59.4 c A24
2012-08-06 22:25:00 C 20 28 34.45 +34 54 59.8 c A24
2012-08-06 23:29:19 C 20 28 30.41 +34 55 10.3 c A24
2012-08-06 23:30:21 C 20 28 30.38 +34 55 10.5 c A24
2012-08-06 23:31:24 C 20 28 30.32 +34 55 10.8 c A24
2012-08-06 23:32:26 C 20 28 30.25 +34 55 10.9 c A24
2012-08-08 22:06:13 C 20 25 49.95 +35 01 14.0 c A24
2012-08-08 22:07:17 C 20 25 49.89 +35 01 14.2 c A24
2012-08-08 22:08:19 C 20 25 49.91 +35 01 14.1 c A24
2012-08-08 22:09:21 C 20 25 49.84 +35 01 14.2 c A24
2012-08-08 23:15:06 C 20 25 45.70 +35 01 20.1 c A24
2012-08-08 23:16:09 C 20 25 45.65 +35 01 20.2 c A24