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
2026-01-12 00:10:15 C 10 28 22.740 -32 31 51.13 V M22
2026-01-12 00:15:27 C 10 28 22.730 -32 31 55.38 V M22
2026-01-12 00:24:33 C 10 28 22.615 -32 32 01.57 V M22
2026-01-14 11:33:38 C 10 28 10.591 -33 08 05.42 V T05
2026-01-14 11:36:15 C 10 28 10.572 -33 08 07.51 V T05
2026-01-14 11:40:50 C 10 28 10.512 -33 08 10.10 V T05
2026-01-14 11:55:20 C 10 28 10.375 -33 08 18.78 V T05
2026-01-15 01:39:39 C 10 28 04.087 -33 15 53.35 V M22
2026-01-15 02:14:50 C 10 28 03.754 -33 16 12.43 V M22
2026-01-15 02:20:05 C 10 28 03.650 -33 16 15.49 V M22
2026-01-15 02:28:04 C 10 28 03.497 -33 16 19.92 V M22
2026-01-20 23:02:00 C 10 26 02.234 -34 22 51.64 V M22
2026-01-20 23:45:02 C 10 26 01.157 -34 23 09.02 V M22
2026-01-20 23:47:38 C 10 26 01.126 -34 23 09.85 V M22
2026-01-20 23:52:11 C 10 26 00.970 -34 23 11.04 V M22
2026-01-22 05:12:14 C 10 25 21.391 -34 33 51.23 V W68
2026-01-22 05:35:18 C 10 25 20.731 -34 33 59.80 V W68
2026-01-22 05:39:16 C 10 25 20.594 -34 34 01.38 V W68
2026-01-22 05:43:58 C 10 25 20.479 -34 34 02.93 V W68
2026-01-23 23:11:57 C 10 24 16.116 -34 47 03.48 V M22
2026-01-23 23:14:36 C 10 24 15.972 -34 47 03.98 V M22
2026-01-23 23:32:21 C 10 24 15.422 -34 47 08.99 V M22
2026-01-23 23:40:12 C 10 24 15.209 -34 47 11.29 V M22
2026-01-28 04:46:45 C 10 21 00.343 -35 08 23.35 V W68
2026-01-28 05:02:02 C 10 20 59.758 -35 08 25.08 V W68
2026-01-28 05:06:20 C 10 20 59.544 -35 08 25.73 V W68
2026-01-28 05:11:39 C 10 20 59.354 -35 08 26.88 V W68
2026-01-30 01:03:45 C 10 19 18.521 -35 12 43.49 V M22
2026-01-30 01:08:18 C 10 19 18.281 -35 12 44.17 V M22
2026-01-30 01:15:44 C 10 19 18.034 -35 12 43.92 V M22
2026-01-30 01:44:14 C 10 19 16.728 -35 12 45.18 V M22
2026-02-06 10:48:23 C 10 11 12.670 -34 57 33.01 V T05
2026-02-06 10:50:20 C 10 11 12.583 -34 57 32.18 V T05
2026-02-06 10:52:56 C 10 11 12.466 -34 57 31.93 V T05
2026-02-06 10:56:14 C 10 11 12.281 -34 57 31.57 V T05
2026-02-06 10:56:53 C 10 11 12.242 -34 57 31.32 V T05
2026-02-06 11:05:49 C 10 11 11.738 -34 57 29.16 V T05
2026-02-06 11:08:29 C 10 11 11.527 -34 57 29.12 V T05
2026-02-11 01:20:12 C 10 05 21.506 -34 19 27.62 V M22
2026-02-11 01:28:11 C 10 05 21.050 -34 19 24.17 V M22
2026-02-11 01:33:31 C 10 05 20.729 -34 19 21.83 V M22
2026-02-13 10:15:20 C 10 02 14.196 -33 51 24.01 V T05
2026-02-13 10:17:17 C 10 02 14.107 -33 51 22.90 V T05
2026-02-13 10:24:34 C 10 02 13.656 -33 51 19.66 V T05
2026-02-13 10:43:38 C 10 02 12.470 -33 51 08.39 V T05
2026-02-14 04:38:39 C 10 01 12.81 -33 40 47.9 W94
2026-02-14 04:47:40 C 10 01 12.26 -33 40 42.1 W94
2026-02-14 04:56:40 C 10 01 11.66 -33 40 37.2 W94
2026-02-19 10:53:12 C 09 54 14.177 -32 12 40.25 V T05
2026-02-19 10:58:28 C 09 54 13.843 -32 12 36.50 V T05