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
1998-04-26 01:01:29 C 15 07 51.80 -07 18 08.2 118
1998-04-26 01:06:31 C 15 07 50.45 -07 18 01.0 118
1998-04-27 07:01:14 C 14 59 53.12 -06 32 48.4 z 683
1998-04-27 07:06:42 C 14 59 51.49 -06 32 39.6 z 683
1998-04-27 07:17:34 C 14 59 48.16 -06 32 22.1 z 683
1998-04-27 22:39:10 C 14 55 12.99 -06 06 55.0 557
1998-04-27 22:41:00 C 14 55 12.43 -06 06 52.4 557
1998-04-27 22:44:43 C 14 55 11.28 -06 06 45.6 557
1998-04-28 15:38:00 C 14 49 43.03 -05 35 49.7 360
1998-04-28 15:42:00 C 14 49 41.58 -05 35 41.9 360
1998-04-28 15:45:30 C 14 49 40.33 -05 35 35.6 360
1998-04-30 05:16:33 C 14 35 49.68 -04 17 17.7 z 683
1998-04-30 05:22:43 C 14 35 47.22 -04 17 04.4 z 683
1998-04-30 05:32:41 C 14 35 42.83 -04 16 40.6 z 683
1998-04-30 22:29:53 C 14 28 28.24 -03 36 23.8 046
1998-04-30 22:32:57 C 14 28 26.81 -03 36 15.3 046
1998-04-30 22:34:07 C 14 28 26.22 -03 36 13.2 046
1998-04-30 22:35:11 C 14 28 25.75 -03 36 10.4 046
1998-04-30 22:36:14 C 14 28 25.25 -03 36 07.3 046
1998-05-01 22:07:40 C 14 17 19.47 -02 33 25.6 557
1998-05-01 22:09:02 C 14 17 18.80 -02 33 22.1 557
1998-05-01 22:10:23 C 14 17 18.07 -02 33 17.8 557
1998-05-02 06:25:31 C 14 13 04.88 -02 09 04.5 z 700
1998-05-02 06:30:46 C 14 13 02.12 -02 08 50.2 z 700
1998-05-02 06:49:25 C 14 12 51.52 -02 07 56.4 z 700
1998-05-02 06:56:40 C 14 12 47.58 -02 07 33.5 z 700
1998-05-03 05:41:09 C 14 00 10.25 -00 55 52.1 z 683
1998-05-03 05:48:50 C 14 00 05.56 -00 55 26.6 z 683
1998-05-03 05:59:36 C 13 59 58.81 -00 54 50.0 z 683
1998-05-03 20:46:45 C 13 50 55.31 -00 04 07.2 557
1998-05-03 20:48:27 C 13 50 54.19 -00 04 01.0 557
1998-05-03 20:51:50 C 13 50 51.98 -00 03 48.4 557
1998-05-04 15:51:21 C 13 38 04.33 +01 08 02.2 z 402
1998-05-04 15:53:21 C 13 38 02.88 +01 08 09.7 z 402
1998-05-04 15:55:22 C 13 38 01.38 +01 08 17.7 z 402
1998-05-05 04:42:12 C 13 28 52.29 +02 00 01.4 z 700
1998-05-05 04:49:34 C 13 28 46.55 +02 00 32.2 z 700
1998-05-05 04:59:53 C 13 28 38.28 +02 01 15.1 z 700
1998-05-05 06:12:41 C 13 27 41.56 +02 06 27.6 z 683
1998-05-05 06:17:39 C 13 27 37.64 +02 06 48.9 z 683
1998-05-05 06:22:54 C 13 27 33.55 +02 07 10.8 z 683
1998-05-09 21:19:29 C 11 41 33.78 +11 09 37.5 046
1998-05-09 21:20:46 C 11 41 32.36 +11 09 43.5 046
1998-05-09 21:22:52 C 11 41 29.80 +11 09 55.3 046
1998-05-09 21:23:49 C 11 41 28.71 +11 09 59.4 046
1998-05-09 21:24:46 C 11 41 27.68 +11 10 03.4 046
1998-05-09 21:25:44 C 11 41 26.53 +11 10 08.9 046
1998-05-11 04:06:55 C 11 06 13.09 +13 39 15.1 z 683
1998-05-11 04:09:18 C 11 06 09.97 +13 39 26.3 z 683
1998-05-11 04:11:27 C 11 06 07.53 +13 39 36.1 z 683
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)