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
2023-06-17 08:01:04 C 14 36 58.449 +02 50 50.16 X F51
2023-06-17 08:21:06 C 14 36 58.212 +02 50 54.89 X F51
2023-06-17 08:41:05 C 14 36 57.985 +02 50 59.52 X F51
2023-06-17 09:01:02 C 14 36 57.755 +02 51 04.16 X F51
2023-07-08 04:44:07 C 14 42 05.746 +03 13 19.20 V G96
2023-07-08 04:58:51 C 14 42 06.102 +03 13 17.33 V G96
2023-07-08 05:06:13 C 14 42 06.289 +03 13 16.75 V G96
2025-08-23 14:26:29 C 04 40 41.148 +30 09 45.65 X F52
2025-08-23 14:33:59 C 04 40 42.462 +30 09 43.09 X F52
2025-08-23 14:41:28 C 04 40 43.745 +30 09 40.46 X F52
2025-08-23 14:48:53 C 04 40 45.031 +30 09 37.84 X F52
2025-08-26 14:23:20 C 04 53 19.266 +29 41 00.65 X F52
2025-08-26 14:29:49 C 04 53 20.374 +29 40 57.93 X F52
2025-08-26 14:36:18 C 04 53 21.492 +29 40 55.06 X F52
2025-09-02 14:45:39 C 05 22 31.919 +28 11 47.84 X F52
2025-09-02 14:50:22 C 05 22 32.716 +28 11 44.98 X F52
2025-09-02 14:55:05 C 05 22 33.508 +28 11 42.05 X F52
2025-09-02 14:59:48 C 05 22 34.306 +28 11 39.25 X F52
2025-10-29 11:24:49 C 08 37 02.737 +02 13 58.40 V G96
2025-10-29 11:32:14 C 08 37 03.562 +02 13 47.82 V G96
2025-10-29 11:39:40 C 08 37 04.292 +02 13 37.67 V G96
2025-10-29 11:47:03 C 08 37 05.142 +02 13 27.44 V G96
2025-11-17 03:40:05 C 09 21 35.515 -08 15 14.51 V R17
2025-11-17 04:00:29 C 09 21 37.241 -08 15 43.34 V R17
2025-11-17 04:20:50 C 09 21 38.971 -08 16 10.96 V R17
2025-11-17 04:41:13 C 09 21 40.762 -08 16 39.04 V R17
2025-11-21 01:29:52 C 09 29 43.142 -10 22 42.06 V M22
2025-11-21 01:34:25 C 09 29 43.514 -10 22 48.25 V M22
2025-11-21 01:42:13 C 09 29 44.136 -10 22 59.12 V M22
2025-11-21 01:55:54 C 09 29 45.240 -10 23 18.13 V M22
2025-11-26 07:57:38 C 09 39 59.323 -13 10 55.96 V W68
2025-11-26 08:03:41 C 09 39 59.830 -13 11 03.98 V W68
2025-11-26 08:13:49 C 09 40 00.542 -13 11 17.38 V W68
2025-11-26 08:21:45 C 09 40 01.147 -13 11 28.97 V W68
2025-12-18 14:22:34 C 10 13 55.531 -23 55 33.42 V T08
2025-12-18 14:27:11 C 10 13 55.565 -23 55 37.81 V T08
2025-12-18 14:36:25 C 10 13 56.136 -23 55 50.52 V T08
2025-12-18 14:58:01 C 10 13 56.990 -23 56 11.47 V T08
2025-12-21 10:57:58 C 10 17 00.258 -25 08 25.55 V G96
2025-12-21 11:05:25 C 10 17 00.539 -25 08 33.40 V G96
2025-12-21 11:12:51 C 10 17 00.827 -25 08 39.66 V G96
2025-12-21 11:20:16 C 10 17 01.129 -25 08 48.05 V G96
2025-12-26 13:06:04 C 10 21 38.863 -27 10 58.76 V T05
2025-12-26 13:08:40 C 10 21 38.914 -27 11 02.15 V T05
2025-12-26 13:15:14 C 10 21 39.094 -27 11 08.48 V T05
2025-12-26 13:32:09 C 10 21 39.511 -27 11 24.50 V T05
2026-01-10 07:29:21 C 10 28 19.16 -32 05 07.2 W94
2026-01-10 07:38:15 C 10 28 19.13 -32 05 13.2 W94
2026-01-10 07:47:13 C 10 28 19.15 -32 05 19.6 W94
2026-01-12 00:05:27 C 10 28 22.766 -32 31 48.00 V M22