388945 (2008 TZ3)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3916765282 ± 4.84e-09
Semi-major axis (a)1.5924880899 AU ± 1.14e-09
Inclination (i)8.68659676° ± 8.75e-07
Long. of Asc. Node (Ω)43.91266942° ± 9.07e-07
Arg. of Perihelion (ω)219.78765982° ± 2.11e-06
Mean Anomaly (M)257.93909135° ± 9.27e-07
Mean Motion (n)0.4904536678°/day ± 5.28e-10
Perihelion dist (q)0.96874788 AU ± 7.74e-09
Aphelion dist (Q)2.21622830 AU ± 7.87e-09
Orbital Period2.00962160 yr ± 2.16e-09
NGA Modelr2
A26.32926936e-14 ± 6.41e-15 AU/d²
Physical Parameters
H (abs. magnitude)20.45
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.320″
Uncertainty0
Orbit TypeApollo
MOID0.016589 AU
Observations Used2213
Radar Obs Used7
Oppositions8
Arc Total2008-2024
First Observation Used2008-10-06
Last Observation Used2024-10-08
Observations (2791)
Date Type RA Dec Mag Band Observatory
2008-10-06 07:59:02 C 01 49 11.38 +00 19 26.6 r G96
2008-10-06 08:16:52 C 01 49 09.73 +00 19 25.7 r G96
2008-10-06 08:34:40 C 01 49 08.14 +00 19 25.4 r G96
2008-10-06 08:52:30 C 01 49 06.49 +00 19 26.2 r G96
2008-10-06 10:06:09 C 01 48 59.79 +00 19 23.5 r G96
2008-10-06 10:26:03 C 01 48 57.99 +00 19 22.9 r G96
2008-10-06 10:45:52 C 01 48 56.23 +00 19 22.2 r G96
2008-10-06 11:05:41 C 01 48 54.39 +00 19 22.1 r G96
2008-10-07 07:17:30 C 01 47 08.77 +00 18 55.5 r G96
2008-10-07 07:28:52 C 01 47 07.72 +00 18 54.9 r G96
2008-10-07 07:40:15 C 01 47 06.68 +00 18 54.8 r G96
2008-10-07 07:52:01 C 01 47 05.60 +00 18 54.8 r G96
2008-10-07 07:52:32 C 01 47 05.53 +00 18 55.1 o 291
2008-10-07 07:59:52 C 01 47 04.86 +00 18 54.9 o 291
2008-10-07 08:05:47 C 01 47 04.35 +00 18 54.9 o 291
2008-10-08 11:13:11 C 01 44 41.26 +00 18 27.6 o 291
2008-10-08 11:18:57 C 01 44 40.74 +00 18 27.3 o 291
2008-10-08 11:25:07 C 01 44 40.15 +00 18 27.6 o 291
2008-10-09 08:14:49 C 01 42 52.433 +00 18 15.79 o 568
2008-10-09 08:17:39 C 01 42 52.175 +00 18 15.77 o 568
2008-10-09 08:20:30 C 01 42 51.915 +00 18 15.75 o 568
2008-10-09 08:23:22 C 01 42 51.666 +00 18 15.71 o 568
2008-10-09 08:43:11 C 01 42 49.21 +00 18 13.1 o 291
2008-10-09 09:02:04 C 01 42 47.53 +00 18 12.6 o 291
2008-10-09 09:08:06 C 01 42 46.99 +00 18 12.8 o 291
2008-10-10 05:22:08 C 01 41 02.14 +00 18 03.6 o H55
2008-10-10 05:32:02 C 01 41 01.16 +00 18 03.6 o H55
2008-10-10 05:43:29 C 01 41 00.21 +00 18 03.7 o H55
2008-10-17 04:38:36 C 01 27 05.53 +00 21 05.1 o 291
2008-10-17 04:44:01 C 01 27 04.93 +00 21 05.1 o 291
2008-10-17 04:49:28 C 01 27 04.67 +00 21 05.5 o 291
2008-10-20 03:33:40 C 01 21 37.08 +00 24 41.0 o H55
2008-10-20 03:47:02 C 01 21 36.02 +00 24 42.0 o H55
2008-10-20 04:04:44 C 01 21 34.63 +00 24 43.0 o H55
2008-10-20 04:45:41 C 01 21 31.52 +00 24 45.1 o H55
2008-10-21 07:29:08 C 01 19 32.85 +00 26 32.3 o 291
2008-10-21 07:34:46 C 01 19 32.45 +00 26 32.7 o 291
2008-10-21 07:40:10 C 01 19 32.04 +00 26 33.0 o 291
2008-10-22 07:10:55 C 01 17 50.57 +00 28 16.0 o 291
2008-10-22 07:17:08 C 01 17 50.07 +00 28 17.8 o 291
2008-10-26 03:23:42 C 01 11 37.84 +00 36 40.1 o 291
2008-10-26 03:29:53 C 01 11 37.48 +00 36 40.3 o 291
2008-10-26 03:35:46 C 01 11 37.05 +00 36 40.8 o 291
2008-10-28 07:12:02 C 01 08 26.19 +00 42 30.2 v H01
2008-10-28 07:14:07 C 01 08 26.07 +00 42 30.4 v H01
2008-10-28 07:19:54 C 01 08 25.71 +00 42 31.0 v H01
2008-10-28 07:27:55 C 01 08 25.21 +00 42 32.1 v H01
2008-10-29 02:59:34 C 01 07 17.44 +00 44 56.6 o H55
2008-10-29 03:21:46 C 01 07 16.11 +00 44 59.6 o H55
2008-10-29 03:44:10 C 01 07 14.76 +00 45 01.9 o H55
Radar Observations (7)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2018-05-03 03:00:00 484985.031 0.25 Hz 8560 -14 -14
2018-05-03 03:30:00 36766333.83 20 us 8560 -14 -14
2020-04-28 02:41:00 66289905.62 0.5 us 2380 -1 -1
2024-05-20 23:10:00 115460.105 0.2 Hz 8560 -14 -14
2024-05-24 21:30:00 29048.116 0.4 Hz 8560 -14 -14
2024-05-24 23:20:00 74788003.816 10 us 8560 -14 -14
2024-05-28 00:30:00 -66898.512 0.4 Hz 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)