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
2015-05-07 09:31:02 C 19 21 35.46 -04 12 45.4 u H21
2015-05-07 09:34:27 C 19 21 34.83 -04 13 07.0 u H21
2015-05-12 09:28:54 C 18 53 35.62 -19 28 50.1 q H21
2015-05-12 09:30:45 C 18 53 35.03 -19 29 06.8 q H21
2015-05-12 09:32:49 C 18 53 34.37 -19 29 25.3 q H21
2015-05-12 09:34:53 C 18 53 33.72 -19 29 43.9 q H21
2015-05-12 09:37:09 C 18 53 33.00 -19 30 04.2 q H21
2015-05-12 09:40:40 C 18 53 31.89 -19 30 35.7 q H21
2015-05-12 09:43:22 C 18 53 31.04 -19 30 59.7 q H21
2015-05-13 08:48:00 C 18 46 06.00 -23 03 11.1 u H21
2015-05-13 08:52:00 C 18 46 04.59 -23 03 48.8 u H21
2015-05-13 08:55:45 C 18 46 03.26 -23 04 24.2 u H21
2015-05-13 08:59:31 C 18 46 01.93 -23 04 59.5 u H21
2015-05-13 09:03:16 C 18 46 00.61 -23 05 34.8 u H21
2015-05-13 09:09:16 C 18 45 58.49 -23 06 31.5 u H21
2015-05-13 09:13:01 C 18 45 57.17 -23 07 06.6 u H21
2015-05-13 09:16:46 C 18 45 55.84 -23 07 41.9 u H21
2015-05-13 09:20:31 C 18 45 54.52 -23 08 17.2 u H21
2015-05-13 09:24:16 C 18 45 53.19 -23 08 52.5 u H21
2015-05-13 09:27:16 C 18 45 52.13 -23 09 20.7 u H21
2015-07-01 18:46:54 S 10 56 32.460 -54 00 31.50 L C51
2015-07-01 23:30:23 S 10 56 29.448 -53 59 20.15 L C51
2015-07-02 01:04:49 S 10 56 28.522 -53 58 56.75 L C51
2015-07-02 13:40:50 S 10 56 21.636 -53 55 55.38 L C51
2015-07-02 16:49:42 S 10 56 20.062 -53 55 10.20 L C51
2016-02-05 04:45:28 C 18 35 15.32 +15 29 59.9 q 160
2016-02-05 04:48:06 C 18 35 15.36 +15 29 57.3 q 160
2016-02-05 04:50:41 C 18 35 15.51 +15 29 55.0 q 160
2016-02-06 04:50:40 C 18 35 52.77 +15 09 13.2 q 160
2016-02-06 04:53:28 C 18 35 52.73 +15 09 10.1 q 160
2016-03-27 03:00:48 C 19 36 23.54 -07 02 39.4 q 160
2016-03-27 03:03:54 C 19 36 23.63 -07 02 43.8 q 160
2016-03-27 03:06:35 C 19 36 23.78 -07 02 47.6 q 160
2016-04-13 07:50:10 C 20 08 54.49 -19 16 57.3 q Y00
2016-04-13 08:03:40 C 20 08 55.67 -19 17 26.6 q Y00
2016-04-21 09:10:02 S 20 27 44.770 -26 49 18.48 L C51
2016-04-21 12:18:54 S 20 28 04.88 -26 57 22.0 L C51
2016-04-21 15:27:35 S 20 28 25.03 -27 05 26.7 L C51
2016-04-21 18:36:27 S 20 28 45.30 -27 13 33.1 L C51
2016-04-21 21:45:08 S 20 29 05.62 -27 21 41.2 L C51
2016-04-21 23:19:34 S 20 29 15.775 -27 25 45.48 L C51
2016-04-22 00:54:00 S 20 29 26.00 -27 29 49.6 L C51
2016-04-22 02:28:15 S 20 29 36.21 -27 33 54.4 L C51
2016-04-22 05:37:07 S 20 29 56.707 -27 42 05.90 L C51
2016-04-22 07:11:22 S 20 30 06.938 -27 46 12.18 L C51
2016-04-22 08:45:48 S 20 30 17.239 -27 50 18.82 L C51
2016-04-22 11:54:29 S 20 30 37.83 -27 58 32.0 L C51
2016-04-22 11:54:41 S 20 30 37.85 -27 58 34.2 L C51
2016-04-22 18:12:03 S 20 31 19.298 -28 15 04.43 L C51
2016-04-30 03:57:12 S 20 53 05.066 -36 40 12.50 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)