5381 Sekhmet (1991 JY)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2964299671 ± 2.00e+00
Semi-major axis (a)0.9474332968 AU ± 3.00e+00
Inclination (i)48.96621448° ± 4.00e+00
Long. of Asc. Node (Ω)58.52927849° ± 5.00e+00
Arg. of Perihelion (ω)37.43105872° ± 6.00e+00
Mean Anomaly (M)266.61835665° ± 2.39e-04
Mean Motion (n)1.0687824424°/day ± 5.08e+00
Perihelion dist (q)0.66658568 AU ± 2.84e+00
Aphelion dist (Q)1.22828092 AU ± 4.33e+00
Orbital Period0.92219543 yr ± 4.38e+00
NGA Modelr2
A2-2.04447511e-06 AU/d²
Physical Parameters
H (abs. magnitude)16.72
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.372″
Uncertainty0
Orbit TypeAten
MOID0.111844 AU
Observations Used656
Gaia Obs Used162
Oppositions2
Arc Total1991-2017
First Observation Used1991-05-14
Last Observation Used2025-07-27
Observations (686)
Date Type RA Dec Mag Band Observatory
1991-07-11 11:04:22 A 11 26 44.69 -46 50 15.7 474
1992-04-30 16:04:24 A 20 31 42.17 -31 19 09.5 17.7 474
1992-04-30 16:25:30 A 20 31 43.99 -31 20 28.9 474
1992-05-02 17:02:25 A 20 36 20.41 -34 25 02.4 18.2 474
1992-05-02 17:23:46 A 20 36 22.46 -34 26 25.7 474
1992-05-03 18:58:54 20 38 55.76 -36 07 21.6 413
1992-05-30 13:03:50 A 00 10 55.33 -79 57 59.0 17.6 474
1992-05-30 13:23:00 A 00 11 17.63 -79 58 46.2 474
1992-06-09 20:06:29 C 05 44 11.75 -79 30 47.7 413
1992-06-10 15:53:39 C 05 58 37.40 -78 55 10.2 413
1992-06-10 15:58:05 C 05 58 40.59 -78 55 02.4 413
1992-06-19 08:45:42 C 07 22 35.22 -72 40 35.1 413
1992-06-19 08:49:44 C 07 22 36.08 -72 40 28.6 413
1994-06-20 19:52:26 C 03 42 34.46 -35 59 17.6 413
1994-06-20 19:56:42 C 03 42 35.12 -35 59 14.0 413
1995-03-22 18:48:37 C 21 13 41.55 -38 13 38.1 413
1995-03-22 18:51:49 C 21 13 42.18 -38 13 39.6 413
2001-05-21 21:39:21 C 07 59 44.01 +60 16 14.5 012
2001-05-21 21:43:57 C 07 59 46.03 +60 16 07.7 012
2001-05-21 21:46:15 C 07 59 47.30 +60 16 03.6 012
2001-05-21 21:48:29 C 07 59 48.39 +60 15 59.5 012
2002-04-22 09:10:20 C 00 38 51.09 +72 20 11.2 649
2002-04-22 09:14:48 C 00 38 51.69 +72 20 23.0 649
2002-04-22 09:19:14 C 00 38 52.28 +72 20 34.6 649
2002-04-25 09:54:31 C 00 50 35.00 +75 32 37.1 649
2002-04-25 10:00:31 C 00 50 36.28 +75 32 53.8 649
2002-04-25 10:06:31 C 00 50 37.57 +75 33 10.6 649
2002-05-17 22:25:14 C 10 59 34.39 +64 28 26.5 c 198
2002-05-17 22:34:26 C 10 59 35.86 +64 27 31.0 c 198
2002-05-17 22:41:13 C 10 59 36.91 +64 26 51.5 c 198
2002-05-21 03:47:09 C 11 09 43.89 +56 27 06.8 16.3 c 704
2002-05-21 04:08:28 C 11 09 45.94 +56 24 49.7 16.6 c 704
2002-05-21 04:30:02 C 11 09 48.02 +56 22 30.6 16.7 c 704
2002-05-21 04:51:28 C 11 09 50.06 +56 20 12.5 16.5 c 704
2002-05-21 05:13:03 C 11 09 52.18 +56 17 52.7 16.9 c 704
2002-05-21 23:46:31 C 11 11 44.62 +54 18 02.1 c 611
2002-05-21 23:47:25 C 11 11 44.68 +54 17 55.8 c 611
2002-05-21 23:48:27 C 11 11 44.75 +54 17 49.3 c 611
2002-05-22 03:55:16 C 11 12 09.32 +53 51 24.4 16.7 c 704
2002-05-22 04:16:24 C 11 12 11.10 +53 49 06.1 16.9 c 704
2002-05-22 04:38:24 C 11 12 13.06 +53 46 42.3 16.9 c 704
2002-05-22 05:00:07 C 11 12 14.88 +53 44 21.4 17.0 c 704
2002-05-22 05:20:47 C 11 12 16.69 +53 42 05.6 16.7 c 704
2002-05-23 04:26:56 C 11 14 22.23 +51 11 26.3 c 670
2002-05-23 05:27:46 C 11 14 27.00 +51 04 45.8 c 670
2002-05-23 06:45:40 C 11 14 32.98 +50 56 11.2 c 670
2002-05-31 21:14:36 C 11 27 20.32 +28 45 43.1 c 621
2002-05-31 21:16:28 C 11 27 20.41 +28 45 31.8 c 621
2002-05-31 21:18:19 C 11 27 20.46 +28 45 20.4 c 621
2002-05-31 21:20:12 C 11 27 20.57 +28 45 09.0 c 621
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-05-03 09:34:00 244483008.78 1 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)