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
2016-05-06 17:29:30 C 21 17 28.17 -45 02 50.9 q Q60
2016-05-06 17:43:20 C 21 17 30.57 -45 03 37.5 q Q60
2016-05-06 17:57:12 C 21 17 32.91 -45 04 23.9 q Q60
2016-06-11 10:39:06 C 04 13 45.20 -73 32 48.8 q W88
2016-06-11 10:41:09 C 04 13 46.36 -73 32 47.0 q W88
2016-06-25 12:35:59 S 06 21 58.682 -67 28 48.50 L C51
2016-06-25 15:44:40 S 06 22 42.475 -67 25 21.04 L C51
2016-06-25 18:53:21 S 06 23 26.491 -67 21 53.24 L C51
2016-06-25 22:02:02 S 06 24 09.895 -67 18 25.88 L C51
2016-06-26 07:28:05 S 06 26 18.33 -67 08 07.4 L C51
2016-06-26 10:36:46 S 06 27 00.47 -67 04 42.9 L C51
2016-06-26 13:45:27 S 06 27 42.38 -67 01 18.4 L C51
2016-06-26 15:20:04 S 06 28 03.22 -66 59 35.8 L C51
2016-06-26 16:54:08 S 06 28 24.06 -66 57 54.5 L C51
2016-06-26 18:28:45 S 06 28 44.66 -66 56 12.1 L C51
2016-06-26 21:37:26 S 06 29 25.84 -66 52 48.6 L C51
2016-06-27 00:46:08 S 06 30 06.74 -66 49 25.6 L C51
2016-06-27 03:54:59 S 06 30 47.34 -66 46 03.2 L C51
2016-06-27 07:03:40 S 06 31 27.494 -66 42 40.97 L C51
2016-06-27 10:12:21 S 06 32 07.745 -66 39 18.97 L C51
2017-03-16 07:59:17 C 19 30 46.78 -21 23 56.0 q W88
2017-03-16 08:20:59 C 19 30 49.15 -21 24 20.9 q W88
2017-03-16 08:45:35 C 19 30 51.88 -21 24 49.4 q W88
2024-06-02 22:19:12 C 08 11 06.053 +52 14 14.06 V Z80
2024-06-02 22:30:30 C 08 11 10.226 +52 13 59.66 V Z80
2024-06-02 22:45:11 C 08 11 15.754 +52 13 41.99 V Z80
2024-06-08 03:50:05 C 08 55 07.086 +49 02 35.70 V 703
2024-06-08 03:53:04 C 08 55 07.986 +49 02 30.41 V 703
2024-06-08 03:56:03 C 08 55 09.037 +49 02 25.30 V 703
2024-06-08 03:59:02 C 08 55 09.887 +49 02 20.58 V 703
2024-06-12 03:53:41 C 09 24 52.261 +45 51 27.14 V 703
2024-06-12 03:59:31 C 09 24 53.744 +45 51 13.79 V 703
2024-06-12 04:02:26 C 09 24 54.630 +45 51 07.34 V 703
2024-06-15 04:07:33 C 09 44 53.912 +43 08 00.28 V 703
2024-06-15 04:10:52 C 09 44 54.910 +43 07 52.32 V 703
2024-06-15 04:17:29 C 09 44 56.540 +43 07 34.18 V 703
2024-06-17 03:56:02 C 09 57 06.188 +41 12 31.90 V 703
2024-06-17 03:58:58 C 09 57 06.923 +41 12 24.19 V 703
2024-06-17 04:01:53 C 09 57 07.722 +41 12 16.20 V 703
2024-06-17 04:04:49 C 09 57 08.334 +41 12 10.40 V 703
2024-06-25 06:15:13 C 10 39 07.860 +32 45 59.80 V T05
2024-06-25 06:19:48 C 10 39 08.729 +32 45 45.79 V T05
2024-06-25 06:27:36 C 10 39 10.202 +32 45 24.77 V T05
2024-06-25 06:44:06 C 10 39 13.272 +32 44 40.63 V T05
2024-06-26 06:51:18 C 10 43 42.230 +31 39 29.12 V T08
2024-06-26 06:56:01 C 10 43 43.102 +31 39 16.96 V T08
2024-06-26 07:04:02 C 10 43 44.534 +31 38 54.74 V T08
2024-06-26 07:18:43 C 10 43 47.182 +31 38 14.64 V T08
2024-07-03 06:10:28 C 11 11 21.223 +24 06 49.43 V T05
2024-07-03 06:15:01 C 11 11 21.900 +24 06 37.15 V T05
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)