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
2004-04-18 18:20:30 C 20 14 44.00 -20 32 22.0 r E12
2004-04-18 18:33:33 C 20 14 45.13 -20 32 55.8 r E12
2004-04-18 18:46:35 C 20 14 46.17 -20 33 28.5 r E12
2013-05-20 02:02:29 C 08 02 08.89 +62 08 25.7 u H21
2013-05-20 02:06:12 C 08 02 10.81 +62 08 19.1 u H21
2013-05-20 02:09:29 C 08 02 12.49 +62 08 13.0 u H21
2013-06-19 03:54:46 C 11 11 58.23 +23 11 52.7 u 703
2013-06-19 04:01:18 C 11 11 59.02 +23 11 30.1 u 703
2013-06-19 04:07:47 C 11 11 59.85 +23 11 07.4 u 703
2013-06-19 04:14:20 C 11 12 00.64 +23 10 44.4 u 703
2013-06-19 04:20:47 C 11 12 01.22 +23 10 22.5 u 703
2013-06-27 06:36:52 C 11 33 22.959 +12 39 35.61 L F51
2013-06-27 06:44:27 C 11 33 23.691 +12 39 12.81 L F51
2013-06-27 06:52:02 C 11 33 24.418 +12 38 49.79 L F51
2013-06-27 06:59:38 C 11 33 25.144 +12 38 26.50 L F51
2014-02-25 18:33:19 C 23 59 15.80 +25 33 47.6 o B67
2014-02-25 18:42:15 C 23 59 15.92 +25 34 11.5 o B67
2014-02-25 18:51:12 C 23 59 16.04 +25 34 35.0 o B67
2014-05-06 03:06:42 C 15 40 37.32 +88 50 35.1 c A24
2014-05-06 03:07:47 C 15 40 18.21 +88 50 31.9 c A24
2014-05-16 21:31:44 C 11 44 47.70 +65 21 28.0 m 006
2014-05-16 21:39:03 C 11 44 47.34 +65 20 38.3 m 006
2014-05-16 21:48:05 C 11 44 46.70 +65 19 36.3 m 006
2014-05-21 03:35:13 C 11 41 37.49 +53 12 37.7 q I15
2014-05-21 03:36:25 C 11 41 37.44 +53 12 28.6 q I15
2014-05-21 03:37:37 C 11 41 37.39 +53 12 19.0 q I15
2014-05-24 00:55:42 S 11 40 36.893 +44 33 06.01 L C51
2014-05-24 02:02:42 C 11 40 34.89 +44 24 50.0 u H21
2014-05-24 02:06:34 C 11 40 34.80 +44 24 20.6 u H21
2014-05-24 02:10:25 C 11 40 34.72 +44 23 51.4 u H21
2014-05-24 02:14:32 C 11 40 34.64 +44 23 20.5 u H21
2014-05-24 02:18:23 C 11 40 34.57 +44 22 51.4 u H21
2014-05-24 02:21:13 C 11 40 34.52 +44 22 30.0 u H21
2014-05-24 02:24:03 C 11 40 34.45 +44 22 08.7 u H21
2014-05-24 04:05:07 S 11 40 34.862 +44 09 22.93 L C51
2014-05-24 07:14:32 S 11 40 32.90 +43 45 40.1 L C51
2014-05-24 10:23:57 S 11 40 31.03 +43 21 58.2 L C51
2014-05-24 11:58:34 S 11 40 30.09 +43 10 08.5 L C51
2014-05-24 13:33:22 S 11 40 29.17 +42 58 17.0 L C51
2014-05-24 15:07:59 S 11 40 28.28 +42 46 27.8 L C51
2014-05-24 16:42:47 S 11 40 27.42 +42 34 36.7 L C51
2014-05-24 18:17:24 S 11 40 26.56 +42 22 48.2 L C51
2014-05-24 19:52:12 S 11 40 25.72 +42 10 57.8 L C51
2014-05-24 21:26:49 S 11 40 24.907 +41 59 09.35 L C51
2014-05-24 23:01:37 S 11 40 24.08 +41 47 20.0 L C51
2014-05-25 00:36:14 S 11 40 23.27 +41 35 32.5 L C51
2014-05-25 02:11:02 S 11 40 22.49 +41 23 43.3 L C51
2014-05-25 03:45:39 S 11 40 21.73 +41 11 56.6 L C51
2014-05-25 06:55:04 S 11 40 20.24 +40 48 22.0 L C51
2014-05-25 10:04:29 S 11 40 18.804 +40 24 49.21 L C51
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)