177049 (2003 EE16)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6142041724 ± 2.07e-08
Semi-major axis (a)1.4177696235 AU ± 3.36e-09
Inclination (i)0.65230956° ± 4.73e-06
Long. of Asc. Node (Ω)127.22507331° ± 2.38e-04
Arg. of Perihelion (ω)259.49557978° ± 2.38e-04
Mean Anomaly (M)238.68979770° ± 1.04e-05
Mean Motion (n)0.5838533487°/day ± 2.08e-09
Perihelion dist (q)0.54696961 AU ± 2.94e-08
Aphelion dist (Q)2.28856964 AU ± 2.99e-08
Orbital Period1.68814016 yr ± 6.01e-09
Physical Parameters
H (abs. magnitude)19.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.461″
Uncertainty0
Orbit TypeApollo
MOID0.000137 AU
Observations Used336
Radar Obs Used2
Oppositions5
Arc Total2002-2025
First Observation Used2002-05-17
Last Observation Used2025-03-31
Observations (351)
Date Type RA Dec Mag Band Observatory
2003-04-22 10:05:06 C 10 29 18.81 +10 23 12.0 c 413
2003-04-22 12:21:46 C 10 29 18.46 +10 23 10.6 c 413
2003-04-23 11:23:34 C 10 29 18.41 +10 22 50.5 c 413
2003-04-27 03:38:36 C 10 29 36.23 +10 19 41.9 c 696
2003-04-27 04:11:26 C 10 29 36.42 +10 19 39.7 c 696
2003-05-22 23:27:06 C 10 42 22.616 +08 56 26.38 o 309
2003-05-22 23:28:39 C 10 42 22.672 +08 56 25.97 o 309
2003-05-22 23:30:11 C 10 42 22.717 +08 56 25.62 o 309
2003-05-22 23:31:45 C 10 42 22.754 +08 56 25.30 o 309
2003-06-19 01:09:03 C 11 08 10.276 +06 12 09.98 o 309
2003-06-19 01:10:35 C 11 08 10.329 +06 12 09.39 o 309
2003-06-19 01:12:07 C 11 08 10.402 +06 12 09.10 o 309
2003-06-19 01:13:39 C 11 08 10.473 +06 12 08.48 o 309
2003-06-19 01:15:26 C 11 08 10.554 +06 12 08.00 o 309
2003-06-19 01:17:01 C 11 08 10.620 +06 12 07.75 o 309
2007-04-26 08:55:50 C 15 23 59.15 -17 23 07.6 o 291
2007-04-26 09:06:27 C 15 23 58.46 -17 23 05.5 o 291
2008-01-10 12:51:09 C 13 58 43.61 -12 14 25.7 o 291
2008-01-10 12:56:58 C 13 58 42.17 -12 14 17.5 o 291
2008-01-10 13:02:23 C 13 58 40.82 -12 14 10.0 o 291
2008-01-30 09:48:38 C 12 09 20.01 -00 18 38.1 r G96
2008-01-30 10:00:47 C 12 09 17.20 -00 18 19.9 r G96
2008-01-30 10:12:42 C 12 09 14.50 -00 18 01.7 r G96
2008-01-30 10:25:00 C 12 09 11.66 -00 17 43.1 r G96
2008-01-30 10:37:20 C 12 09 08.85 -00 17 24.2 r G96
2008-01-30 10:51:03 C 12 09 05.72 -00 17 03.3 r G96
2008-01-30 11:04:35 C 12 09 02.62 -00 16 42.7 r G96
2008-01-30 11:18:17 C 12 08 59.49 -00 16 21.8 r G96
2008-01-31 10:38:45 C 12 03 51.12 +00 18 56.5 r G96
2008-01-31 10:49:03 C 12 03 48.78 +00 19 12.1 r G96
2008-01-31 10:59:18 C 12 03 46.44 +00 19 27.6 r G96
2008-01-31 11:09:41 C 12 03 44.06 +00 19 43.1 r G96
2008-02-01 10:49:53 C 11 58 33.65 +00 55 12.0 o 691
2008-02-01 11:22:18 C 11 58 26.37 +00 56 00.1 o 691
2008-02-09 16:27:13 C 11 17 38.77 +05 30 53.2 r D29
2008-02-09 16:48:24 C 11 17 34.54 +05 31 19.7 r D29
2008-02-09 17:09:13 C 11 17 30.38 +05 31 46.6 r D29
2008-02-09 17:28:42 C 11 17 26.47 +05 32 11.4 r D29
2008-02-10 00:07:24 C 11 16 09.64 +05 40 30.4 o 046
2008-02-10 00:08:51 C 11 16 09.33 +05 40 32.3 o 046
2008-02-10 00:09:55 C 11 16 09.14 +05 40 33.6 o 046
2008-02-10 00:10:59 C 11 16 08.92 +05 40 34.7 o 046
2008-02-10 00:12:04 C 11 16 08.73 +05 40 36.1 o 046
2008-02-10 00:13:07 C 11 16 08.47 +05 40 38.3 o 046
2008-02-11 07:56:54 C 11 10 07.80 +06 19 56.9 19.5 c 704
2008-02-11 08:14:15 C 11 10 04.45 +06 20 19.4 19.9 c 704
2008-02-11 08:16:35 C 11 10 04.09 +06 20 21.3 o 691
2008-02-11 08:31:43 C 11 10 01.06 +06 20 39.8 19.5 c 704
2008-02-11 08:46:57 C 11 09 58.24 +06 20 57.8 o 691
2008-02-11 08:49:06 C 11 09 57.70 +06 21 01.0 19.6 c 704
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2014-07-02 10:06:00 -21057.3895 0.05 Hz 2380 -1 -1
2014-07-02 12:00:00 96696483.11 1 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)