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
2025-06-06 05:01:01 C 10 35 48.199 +39 17 10.90 V 703
2025-06-06 05:03:55 C 10 35 48.700 +39 16 58.58 V 703
2025-06-06 05:06:50 C 10 35 49.182 +39 16 48.76 V 703
2025-06-06 05:09:44 C 10 35 49.589 +39 16 36.62 V 703
2025-06-06 21:18:26 C 10 38 45.070 +38 12 49.39 V R17
2025-06-06 21:39:09 C 10 38 48.686 +38 11 27.28 V R17
2025-06-06 21:59:45 C 10 38 52.260 +38 10 05.09 V R17
2025-06-06 22:20:30 C 10 38 55.870 +38 08 42.47 V R17
2025-06-07 05:13:21 C 10 40 08.609 +37 41 28.14 V 703
2025-06-07 05:16:44 C 10 40 09.217 +37 41 14.78 V 703
2025-06-07 05:20:08 C 10 40 09.797 +37 41 00.10 V 703
2025-06-07 05:23:32 C 10 40 10.337 +37 40 48.25 V 703
2025-06-07 06:04:59 C 10 40 17.914 +37 38 10.03 V T08
2025-06-07 06:10:58 C 10 40 18.948 +37 37 46.24 V T08
2025-06-07 06:21:39 C 10 40 20.741 +37 37 04.51 V T08
2025-06-07 06:42:23 C 10 40 24.288 +37 35 41.21 V T08
2025-06-07 08:15:11 C 10 40 40.169 +37 29 31.60 V T05
2025-06-07 08:19:14 C 10 40 40.879 +37 29 14.93 V T05
2025-06-07 08:40:43 C 10 40 44.587 +37 27 50.15 V T05
2025-06-07 08:49:26 C 10 40 46.080 +37 27 14.90 V T05
2025-06-08 04:58:11 C 10 44 11.872 +36 07 36.77 V 703
2025-06-08 05:01:07 C 10 44 12.404 +36 07 26.33 V 703
2025-06-08 05:04:02 C 10 44 12.887 +36 07 15.46 V 703
2025-06-09 07:05:31 C 10 48 26.810 +34 24 44.14 V T08
2025-06-09 07:09:34 C 10 48 27.442 +34 24 27.94 V T08
2025-06-09 07:17:42 C 10 48 28.699 +34 23 56.00 V T08
2025-06-09 07:34:24 C 10 48 31.306 +34 22 50.05 V T08
2025-06-09 13:12:48 C 10 49 24.67 +34 00 37.2 V D29
2025-06-09 13:27:49 C 10 49 26.99 +33 59 37.6 V D29
2025-06-09 13:42:51 C 10 49 29.35 +33 58 38.4 V D29
2025-06-10 04:53:30 C 10 51 49.892 +32 59 07.26 V 703
2025-06-10 04:56:44 C 10 51 50.332 +32 58 54.70 V 703
2025-06-10 05:03:13 C 10 51 51.354 +32 58 26.51 V 703
2025-06-13 04:49:53 C 11 02 06.004 +28 20 39.12 V 703
2025-06-13 04:53:08 C 11 02 06.400 +28 20 25.87 V 703
2025-06-13 04:56:22 C 11 02 06.806 +28 20 15.25 V 703
2025-06-13 04:59:37 C 11 02 07.184 +28 20 01.97 V 703
2025-06-13 06:20:50 C 11 02 18.341 +28 14 56.44 V T08
2025-06-13 06:25:29 C 11 02 18.986 +28 14 38.18 V T08
2025-06-13 06:33:44 C 11 02 20.059 +28 14 06.76 V T08
2025-06-13 06:47:52 C 11 02 21.905 +28 13 12.72 V T08
2025-06-14 04:37:17 C 11 05 13.675 +26 50 17.88 V 703
2025-06-14 04:40:32 C 11 05 14.082 +26 50 04.52 V 703
2025-06-14 04:43:47 C 11 05 14.464 +26 49 52.25 V 703
2025-06-14 04:47:01 C 11 05 14.888 +26 49 40.01 V 703
2025-06-15 04:23:34 C 11 08 14.154 +25 21 03.20 V 703
2025-06-15 04:26:51 C 11 08 14.608 +25 20 50.24 V 703
2025-06-15 04:30:08 C 11 08 14.964 +25 20 37.43 V 703
2025-06-15 04:33:24 C 11 08 15.407 +25 20 25.33 V 703
2025-06-15 06:31:32 C 11 08 30.142 +25 13 08.33 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)