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
2018-01-13 13:40:15 C 11 03 15.974 -31 29 06.49 U F51
2018-01-13 14:11:53 C 11 03 16.348 -31 29 26.78 U F51
2018-01-13 14:27:41 C 11 03 16.532 -31 29 36.87 U F51
2018-02-17 02:49:31 C 10 46 07.17 -33 47 45.0 q Y00
2018-02-17 03:06:42 C 10 46 06.16 -33 47 37.4 q Y00
2018-02-17 03:23:39 C 10 46 05.16 -33 47 29.9 q Y00
2018-03-08 09:03:48 C 10 21 35.577 -27 15 37.64 U F51
2018-03-08 09:17:47 C 10 21 34.862 -27 15 21.05 U F51
2018-03-08 09:31:45 C 10 21 34.144 -27 15 04.40 U F51
2018-03-22 05:41:47 C 10 10 23.73 -19 54 44.7 U G96
2018-03-22 05:49:51 C 10 10 23.55 -19 54 33.5 U G96
2018-03-22 05:57:54 C 10 10 23.35 -19 54 22.4 U G96
2018-03-22 06:05:58 C 10 10 23.17 -19 54 11.1 U G96
2018-04-08 04:58:33 C 10 10 04.77 -10 58 35.7 U 703
2018-04-08 05:06:10 C 10 10 04.87 -10 58 26.2 U 703
2018-04-08 05:13:46 C 10 10 04.97 -10 58 17.3 U 703
2018-04-08 05:21:22 C 10 10 05.08 -10 58 08.3 U 703
2018-04-11 04:43:02 C 10 11 28.55 -09 36 11.8 U 703
2018-04-11 04:51:11 C 10 11 28.73 -09 36 02.6 U 703
2018-04-11 04:59:19 C 10 11 28.85 -09 35 55.6 U 703
2018-04-11 05:07:28 C 10 11 28.95 -09 35 45.3 U 703
2018-04-12 09:30:05 C 10 12 08.22 -09 04 27.7 U T08
2018-04-12 09:45:03 C 10 12 08.50 -09 04 11.3 U T08
2018-04-12 10:00:52 C 10 12 08.88 -09 03 54.1 U T08
2018-04-12 10:16:02 C 10 12 09.16 -09 03 36.9 U T08
2018-04-13 08:16:20 C 10 12 42.80 -08 39 57.7 U T05
2018-04-13 08:28:58 C 10 12 43.04 -08 39 44.1 U T05
2018-04-13 08:41:53 C 10 12 43.32 -08 39 30.1 U T05
2018-04-13 08:54:31 C 10 12 43.65 -08 39 17.0 U T05
2018-04-16 04:55:55 C 10 14 39.74 -07 29 12.8 U G96
2018-04-16 05:03:21 C 10 14 39.94 -07 29 05.2 U G96
2018-04-16 05:10:45 C 10 14 40.14 -07 28 57.9 U G96
2018-04-16 05:18:12 C 10 14 40.36 -07 28 50.5 U G96
2018-04-22 05:40:37 C 10 19 47.24 -05 15 39.3 U G96
2018-04-22 05:48:40 C 10 19 47.54 -05 15 32.6 U G96
2018-04-22 05:56:41 C 10 19 47.84 -05 15 26.1 U G96
2018-04-22 06:04:44 C 10 19 48.11 -05 15 18.7 U G96
2018-04-23 03:46:29 C 10 20 41.25 -04 57 09.3 U G96
2018-04-23 03:53:57 C 10 20 41.54 -04 57 03.0 U G96
2018-04-23 04:01:24 C 10 20 41.83 -04 56 56.7 U G96
2018-04-23 04:08:53 C 10 20 42.11 -04 56 50.7 U G96
2020-05-24 13:30:19 C 20 18 27.997 +05 52 22.86 U F51
2020-05-24 13:31:19 C 20 18 28.027 +05 52 23.91 U F51
2020-05-24 13:46:37 C 20 18 28.524 +05 52 40.89 U F51
2020-05-24 13:47:38 C 20 18 28.555 +05 52 41.94 U F51
2020-05-24 14:02:59 C 20 18 29.050 +05 52 59.03 U F51
2020-05-24 14:04:00 C 20 18 29.085 +05 52 59.95 U F51
2020-05-24 14:19:26 C 20 18 29.578 +05 53 17.15 U F51
2020-05-24 14:20:28 C 20 18 29.612 +05 53 18.14 U F51
2020-05-26 08:28:52 C 20 19 55.94 +06 39 58.4 U I41