326290 Akhenaten (1998 HE3)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4401385382 ± 2.00e+00
Semi-major axis (a)0.8790667601 AU ± 3.00e+00
Inclination (i)3.37799050° ± 4.00e+00
Long. of Asc. Node (Ω)53.40057444° ± 5.00e+00
Arg. of Perihelion (ω)309.39257452° ± 6.00e+00
Mean Anomaly (M)63.58150125° ± 1.71e-05
Mean Motion (n)1.1958576563°/day ± 6.12e+00
Perihelion dist (q)0.49215560 AU ± 2.43e+00
Aphelion dist (Q)1.26597792 AU ± 4.66e+00
Orbital Period0.82420034 yr ± 4.22e+00
NGA Modelr2
A2-2.60026679e-06 AU/d²
Physical Parameters
H (abs. magnitude)21.82
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.516″
Uncertainty0
Orbit TypeAten
MOID0.003420 AU
Observations Used336
Oppositions7
Arc Total1993-2025
First Observation Used1993-04-13
Last Observation Used2025-02-08
Observations (349)
Date Type RA Dec Mag Band Observatory
1993-04-13 04:57:12 C 11 31 57.76 +13 10 33.9 a 691
1993-04-13 05:08:21 C 11 31 55.78 +13 10 39.3 a 691
1993-04-13 05:19:58 C 11 31 53.72 +13 10 45.4 a 691
1998-04-21 06:36:44 C 15 29 58.09 -09 23 43.1 z 683
1998-04-21 07:09:02 C 15 29 52.84 -09 23 15.3 z 683
1998-04-21 07:41:45 C 15 29 47.61 -09 22 47.2 z 683
1998-04-21 10:25:57 C 15 29 20.79 -09 20 25.4 z 683
1998-04-21 10:48:48 C 15 29 17.10 -09 20 05.1 z 683
1998-04-21 11:12:26 C 15 29 13.27 -09 19 43.8 z 683
1998-04-21 21:15:27 C 15 27 45.23 -09 10 53.1 z 104
1998-04-21 21:21:19 C 15 27 44.31 -09 10 48.0 z 104
1998-04-21 21:26:35 C 15 27 43.52 -09 10 43.8 z 104
1998-04-21 23:16:54 C 15 27 24.69 -09 09 08.3 046
1998-04-21 23:31:39 C 15 27 22.15 -09 08 55.4 046
1998-04-21 23:40:56 C 15 27 20.52 -09 08 46.4 046
1998-04-21 23:42:32 C 15 27 20.32 -09 08 44.8 046
1998-04-21 23:44:11 C 15 27 20.08 -09 08 43.2 046
1998-04-22 00:01:35 C 15 27 17.01 -09 08 27.7 557
1998-04-22 00:03:55 C 15 27 16.66 -09 08 26.5 557
1998-04-22 00:16:07 C 15 27 14.68 -09 08 15.4 557
1998-04-22 00:21:10 C 15 27 13.65 -09 08 10.2 557
1998-04-22 09:34:22 C 15 25 43.21 -08 59 18.3 z 683
1998-04-22 09:44:23 C 15 25 41.33 -08 59 09.0 z 683
1998-04-22 10:10:26 C 15 25 36.63 -08 58 43.5 z 683
1998-04-22 11:12:22 C 15 25 25.52 -08 57 43.2 z 683
1998-04-22 11:23:01 C 15 25 23.51 -08 57 32.6 z 683
1998-04-22 23:17:25 C 15 23 23.95 -08 46 02.0 557
1998-04-22 23:19:45 C 15 23 23.57 -08 45 59.2 557
1998-04-23 01:22:12 C 15 23 00.12 -08 43 54.0 118
1998-04-23 01:25:26 C 15 22 59.54 -08 43 51.0 118
1998-04-23 01:31:52 C 15 22 58.32 -08 43 44.4 118
1998-04-23 01:48:13 C 15 22 55.36 -08 43 27.9 046
1998-04-23 01:49:56 C 15 22 54.99 -08 43 26.3 046
1998-04-23 01:51:56 C 15 22 54.56 -08 43 23.7 046
1998-04-23 06:47:58 C 15 22 04.13 -08 38 04.4 z 683
1998-04-23 06:52:47 C 15 22 03.13 -08 38 00.1 z 683
1998-04-23 07:02:17 C 15 22 01.30 -08 37 49.4 z 683
1998-04-23 08:30:59 C 15 21 43.41 -08 36 20.2 18.6 a 704
1998-04-23 08:58:06 C 15 21 37.99 -08 35 52.0 18.3 a 704
1998-04-23 09:25:11 C 15 21 32.56 -08 35 23.8 18.9 a 704
1998-04-23 09:53:09 C 15 21 26.84 -08 34 51.8 18.5 a 704
1998-04-24 00:35:02 C 15 18 39.00 -08 19 01.6 557
1998-04-24 00:37:24 C 15 18 38.46 -08 18 59.2 557
1998-04-24 01:15:15 C 15 18 30.49 -08 18 15.3 046
1998-04-24 01:16:58 C 15 18 29.96 -08 18 13.6 118
1998-04-24 01:17:09 C 15 18 30.06 -08 18 13.1 046
1998-04-24 01:18:52 C 15 18 29.71 -08 18 11.4 046
1998-04-24 01:19:30 C 15 18 29.43 -08 18 10.5 118
1998-04-24 01:20:47 C 15 18 29.34 -08 18 09.5 046
1998-04-24 01:22:36 C 15 18 28.75 -08 18 06.9 118
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2012-05-10 00:45:00 32195741.68 0.3 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)