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
2023-05-11 05:52:06 C 15 14 29.362 -07 16 20.06 V W68
2023-05-11 06:00:09 C 15 14 28.829 -07 16 12.00 V W68
2023-05-11 06:09:39 C 15 14 28.171 -07 16 01.56 V W68
2023-05-11 07:00:33 C 15 14 24.698 -07 15 06.70 V W68
2023-05-12 15:07:14 C 15 12 20.59 -06 41 15.7 V D29
2023-05-12 15:27:36 C 15 12 19.21 -06 40 54.1 V D29
2023-05-12 15:47:57 C 15 12 17.83 -06 40 32.5 V D29
2023-05-13 11:16:11 C 15 11 02.220 -06 20 04.02 X F51
2023-05-13 11:34:29 C 15 11 00.972 -06 19 44.86 X F51
2023-05-13 11:52:48 C 15 10 59.726 -06 19 25.68 X F51
2023-05-13 12:11:03 C 15 10 58.486 -06 19 06.53 X F51
2023-05-13 18:35:29 C 15 10 33.69 -06 12 28.4 V D29
2023-05-13 18:57:07 C 15 10 32.24 -06 12 05.8 V D29
2023-05-13 19:18:45 C 15 10 30.83 -06 11 43.1 V D29
2023-05-14 07:19:12 C 15 09 44.731 -05 59 00.96 V W68
2023-05-14 07:23:46 C 15 09 44.414 -05 58 56.96 V W68
2023-05-14 07:31:39 C 15 09 43.882 -05 58 48.76 V W68
2023-05-14 07:52:01 C 15 09 42.581 -05 58 27.88 V W68
2023-05-14 10:08:49 C 15 09 33.901 -05 56 20.98 V 703
2023-05-14 10:12:36 C 15 09 33.620 -05 56 16.66 V 703
2023-05-14 10:16:22 C 15 09 33.325 -05 56 13.49 V 703
2023-05-14 10:20:08 C 15 09 33.178 -05 56 10.28 V 703
2023-05-14 16:18:42 C 15 09 10.72 -05 50 01.2 V D29
2023-05-14 16:39:04 C 15 09 09.33 -05 49 40.2 V D29
2023-05-14 16:59:26 C 15 09 07.95 -05 49 18.7 V D29
2023-05-15 14:53:43 C 15 07 44.90 -05 26 57.6 V D29
2023-05-15 15:14:05 C 15 07 43.54 -05 26 37.2 V D29
2023-05-15 15:34:27 C 15 07 42.19 -05 26 16.4 V D29
2023-05-21 09:55:13 C 14 59 17.583 -03 13 23.33 X F51
2023-05-21 10:13:04 C 14 59 16.483 -03 13 07.15 X F51
2023-05-21 10:30:56 C 14 59 15.383 -03 12 51.01 X F51
2023-05-21 10:48:46 C 14 59 14.287 -03 12 34.92 X F51
2023-05-23 07:23:29 C 14 56 43.285 -02 33 24.95 V G96
2023-05-23 07:31:02 C 14 56 42.839 -02 33 18.50 V G96
2023-05-23 07:38:36 C 14 56 42.392 -02 33 11.88 V G96
2023-05-23 07:46:11 C 14 56 41.950 -02 33 05.44 V G96
2023-05-24 07:35:03 C 14 55 24.766 -02 12 54.41 X F52
2023-05-24 07:51:37 C 14 55 23.818 -02 12 40.65 X F52
2023-05-24 08:08:16 C 14 55 22.862 -02 12 26.75 X F52
2023-05-24 21:35:49 C 14 54 39.523 -02 01 06.82 V M22
2023-05-24 21:40:31 C 14 54 39.257 -02 01 03.14 V M22
2023-05-24 21:48:28 C 14 54 38.825 -02 00 56.12 V M22
2023-05-24 22:03:49 C 14 54 37.901 -02 00 43.78 V M22
2023-05-27 06:45:54 C 14 51 44.500 -01 16 12.94 V 703
2023-05-27 07:01:18 C 14 51 43.600 -01 16 01.31 V 703
2023-05-27 07:09:00 C 14 51 43.243 -01 15 55.76 V 703
2023-06-13 02:35:48 C 14 38 15.766 +02 22 30.04 V W68
2023-06-13 02:39:52 C 14 38 15.689 +02 22 31.55 V W68
2023-06-13 02:47:59 C 14 38 15.502 +02 22 33.24 V W68
2023-06-13 03:02:31 C 14 38 15.238 +02 22 38.14 V W68