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
2025-05-28 01:33:17 C 09 43 27.01 +53 10 56.3 V Z58
2025-05-28 04:50:16 C 09 44 27.359 +52 59 33.04 V 703
2025-05-28 04:53:45 C 09 44 28.316 +52 59 21.44 V 703
2025-05-28 04:57:13 C 09 44 29.468 +52 59 08.66 V 703
2025-05-28 05:00:41 C 09 44 30.426 +52 58 56.78 V 703
2025-05-28 06:07:54 C 09 44 51.305 +52 55 05.84 V T05
2025-05-28 06:15:49 C 09 44 53.587 +52 54 38.63 V T05
2025-05-28 06:20:26 C 09 44 54.946 +52 54 21.60 V T05
2025-05-28 06:38:24 C 09 45 00.677 +52 53 15.65 V T05
2025-05-28 06:41:45 C 09 45 01.344 +52 53 05.64 V T05
2025-05-28 06:47:42 C 09 45 03.113 +52 52 44.62 V T05
2025-05-28 06:58:14 C 09 45 06.293 +52 52 06.60 V T05
2025-05-28 07:12:51 C 09 45 10.642 +52 51 15.16 V T05
2025-05-30 03:56:53 C 09 58 00.649 +50 09 39.53 V 703
2025-05-30 04:00:13 C 09 58 01.560 +50 09 28.84 V 703
2025-05-30 04:03:33 C 09 58 02.600 +50 09 16.67 V 703
2025-05-30 04:06:53 C 09 58 03.482 +50 09 04.64 V 703
2025-05-30 05:53:37 C 09 58 32.590 +50 02 34.37 V T08
2025-05-30 05:59:34 C 09 58 34.152 +50 02 12.62 V T08
2025-05-30 06:08:13 C 09 58 36.449 +50 01 40.69 V T08
2025-05-30 06:29:36 C 09 58 42.091 +50 00 21.38 V T08
2025-05-30 20:51:06 B 10 02 30.29 +49 06 54.1 V 130
2025-05-30 20:59:40 B 10 02 32.40 +49 06 21.2 V 130
2025-05-30 21:08:00 B 10 02 34.54 +49 05 49.8 V 130
2025-05-30 21:14:16 C 10 02 36.295 +49 05 32.96 V R17
2025-05-30 21:34:39 C 10 02 41.534 +49 04 15.67 V R17
2025-05-30 21:55:00 C 10 02 46.687 +49 02 59.21 V R17
2025-05-30 22:15:23 C 10 02 51.912 +49 01 42.02 V R17
2025-05-31 20:32:19 C 10 08 29.491 +47 37 42.35 W B38
2025-05-31 20:41:04 C 10 08 31.555 +47 37 08.83 W B38
2025-05-31 20:48:48 C 10 08 33.492 +47 36 39.38 W B38
2025-06-01 06:40:25 C 10 10 57.091 +46 59 14.50 V T05
2025-06-01 07:10:05 C 10 11 04.078 +46 57 20.27 V T05
2025-06-01 07:14:46 C 10 11 05.189 +46 57 02.41 V T05
2025-06-01 07:37:55 C 10 11 10.615 +46 55 33.35 V T05
2025-06-03 06:03:02 C 10 21 42.348 +43 56 20.04 V T08
2025-06-03 06:10:26 C 10 21 43.891 +43 55 51.10 V T08
2025-06-03 06:15:04 C 10 21 44.892 +43 55 32.88 V T08
2025-06-03 06:31:51 C 10 21 48.413 +43 54 27.00 V T08
2025-06-04 04:46:41 C 10 26 27.575 +42 27 17.89 V 703
2025-06-04 04:49:35 C 10 26 28.090 +42 27 08.06 V 703
2025-06-04 04:55:25 C 10 26 29.396 +42 26 46.36 V 703
2025-06-05 04:26:03 C 10 31 09.764 +40 54 16.34 V 703
2025-06-05 04:29:07 C 10 31 10.376 +40 54 03.42 V 703
2025-06-05 04:32:10 C 10 31 10.952 +40 53 51.58 V 703
2025-06-05 04:35:14 C 10 31 11.575 +40 53 39.91 V 703
2025-06-05 06:31:24 C 10 31 34.190 +40 46 05.81 V T05
2025-06-05 06:37:20 C 10 31 35.335 +40 45 42.77 V T05
2025-06-05 06:51:47 C 10 31 38.038 +40 44 45.02 V T05
2025-06-05 07:11:39 C 10 31 41.806 +40 43 26.08 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)