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
2026-02-19 11:44:21 C 09 54 11.102 -32 11 58.45 V T05
2026-02-19 12:25:38 C 09 54 08.652 -32 11 24.90 V T05
2026-02-19 23:42:22 C 09 53 32.378 -32 01 53.83 V M22
2026-02-19 23:46:16 C 09 53 32.167 -32 01 50.20 V M22
2026-02-20 00:37:02 C 09 53 29.182 -32 01 07.68 V M22
2026-02-20 00:46:10 C 09 53 28.577 -32 00 59.58 V M22
2026-02-21 04:45:30 C 09 51 59.652 -31 36 57.28 V W68
2026-02-21 04:49:02 C 09 51 59.450 -31 36 54.58 V W68
2026-02-21 04:55:52 C 09 51 59.018 -31 36 48.20 V W68
2026-02-21 05:40:45 C 09 51 56.467 -31 36 08.28 V W68
2026-02-25 10:03:40 C 09 46 52.006 -29 59 36.31 V T05
2026-02-25 10:49:00 C 09 46 49.586 -29 58 48.72 V T05
2026-02-25 11:34:07 C 09 46 47.179 -29 58 01.31 V T05
2026-02-25 22:43:48 C 09 46 15.636 -29 46 04.22 V M22
2026-02-25 22:47:49 C 09 46 15.422 -29 46 00.34 V M22
2026-02-25 22:51:10 C 09 46 15.238 -29 45 56.59 V M22
2026-02-25 22:56:22 C 09 46 14.974 -29 45 51.62 V M22
2026-02-27 04:12:04 C 09 44 53.782 -29 14 18.85 V W68
2026-02-27 04:16:05 C 09 44 53.568 -29 14 14.57 V W68
2026-02-27 04:24:21 C 09 44 53.155 -29 14 05.35 V W68
2026-02-27 04:38:15 C 09 44 52.457 -29 13 50.48 V W68
2026-03-06 10:00:24 C 09 38 05.215 -25 46 18.91 V T08
2026-03-06 10:07:40 C 09 38 04.956 -25 46 09.73 V T08
2026-03-06 10:14:55 C 09 38 04.644 -25 45 59.94 V T08
2026-03-06 10:33:24 C 09 38 03.931 -25 45 36.47 V T08
2026-03-08 07:01:19 C 09 36 43.225 -24 47 49.52 V 703
2026-03-08 07:04:43 C 09 36 43.124 -24 47 45.28 V 703
2026-03-08 07:08:06 C 09 36 43.016 -24 47 39.88 V 703
2026-03-08 07:11:29 C 09 36 42.883 -24 47 35.09 V 703
2026-03-10 11:53:50 B 09 35 21.038 -23 37 05.59 q Q73
2026-03-10 11:59:11 B 09 35 20.880 -23 36 58.72 q Q73
2026-03-10 12:04:35 B 09 35 20.722 -23 36 51.44 q Q73
2026-03-11 02:29:54 C 09 35 00.900 -23 17 25.90 q W94
2026-03-11 02:38:55 C 09 35 00.660 -23 17 13.90 q W94
2026-03-11 02:47:50 C 09 35 00.420 -23 17 01.80 q W94
2026-03-18 02:23:15 C 09 32 35.310 -19 26 36.80 q W94
2026-03-18 02:32:11 C 09 32 35.220 -19 26 24.50 q W94
2026-03-18 02:41:08 C 09 32 35.140 -19 26 11.70 q W94
2026-03-22 04:54:07 C 09 32 24.497 -17 11 40.96 V G96
2026-03-22 05:02:14 C 09 32 24.482 -17 11 29.98 V G96
2026-03-22 05:10:21 C 09 32 24.482 -17 11 18.78 V G96
2026-03-22 05:18:29 C 09 32 24.472 -17 11 07.91 V G96
2026-03-24 02:16:41 C 09 32 37.680 -16 10 15.50 q W94
2026-03-24 02:25:35 C 09 32 37.720 -16 10 03.60 q W94
2026-03-24 02:34:28 C 09 32 37.750 -16 09 51.30 q W94
2026-03-26 02:52:08 C 09 33 04.183 -15 05 47.04 V W68
2026-03-26 02:56:51 C 09 33 04.224 -15 05 40.78 V W68
2026-03-26 03:04:46 C 09 33 04.301 -15 05 30.41 V W68
2026-03-26 03:19:55 C 09 33 04.378 -15 05 10.75 V W68