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
2013-02-11 02:37:18 C 04 40 19.64 +22 33 17.8 q 448
2013-02-11 02:46:28 C 04 40 24.98 +22 33 28.5 q 448
2013-02-11 02:55:41 C 04 40 30.32 +22 33 39.6 q 448
2013-03-12 03:34:52 C 07 36 38.70 +22 15 19.4 u G96
2013-03-12 03:48:38 C 07 36 40.17 +22 15 16.5 u G96
2013-03-12 04:02:27 C 07 36 41.65 +22 15 12.5 u G96
2013-03-12 04:16:07 C 07 36 43.09 +22 15 09.2 u G96
2014-05-27 09:36:21 C 19 53 06.60 -19 33 22.5 q G96
2014-05-27 09:51:18 C 19 53 07.89 -19 33 18.3 q G96
2014-05-27 09:58:48 C 19 53 08.52 -19 33 16.2 q G96
2014-06-12 12:26:28 C 20 41 47.355 -16 26 50.02 L F51
2014-06-12 12:41:49 C 20 41 50.142 -16 26 37.27 L F51
2014-06-12 12:57:06 C 20 41 52.916 -16 26 24.67 L F51
2014-06-12 13:12:28 C 20 41 55.646 -16 26 12.52 L F51
2014-06-22 14:00:15 C 21 55 49.280 -10 08 38.38 L F51
2014-06-22 14:07:51 C 21 55 52.909 -10 08 16.65 L F51
2014-06-22 14:15:28 C 21 55 56.513 -10 07 55.28 L F51
2014-06-22 14:23:03 C 21 56 00.211 -10 07 33.54 L F51
2014-06-23 01:51:40 C 22 01 50.01 -09 34 15.1 q C23
2014-06-23 01:57:54 C 22 01 53.30 -09 33 55.5 q C23
2014-06-24 12:38:38 C 22 21 35.121 -07 36 07.77 L F51
2014-06-24 12:56:30 C 22 21 45.763 -07 35 01.57 L F51
2014-06-24 13:13:16 C 22 21 55.902 -07 33 58.24 L F51
2014-06-24 13:30:05 C 22 22 06.140 -07 32 54.34 L F51
2014-06-29 23:24:43 S 00 12 28.459 +04 14 37.32 L C51
2014-06-30 00:59:32 S 00 14 11.611 +04 25 35.26 L C51
2018-02-25 03:24:59 C 03 00 22.40 +17 00 54.1 U G96
2018-02-25 03:32:20 C 03 00 24.97 +17 01 05.5 U G96
2018-02-25 03:39:42 C 03 00 27.60 +17 01 17.4 U G96
2018-02-25 03:47:05 C 03 00 30.26 +17 01 28.3 U G96
2019-06-09 10:43:19 C 16 51 38.24 -20 51 35.1 V T08
2019-06-09 10:47:21 C 16 51 37.58 -20 51 33.9 V T08
2019-06-09 11:07:14 C 16 51 34.61 -20 51 29.1 V T08
2019-06-09 11:14:35 C 16 51 33.48 -20 51 26.7 V T08
2019-06-22 21:25:57 C 15 56 07.65 -18 40 29.5 V C95
2019-06-22 21:46:19 C 15 56 03.56 -18 40 17.4 V C95
2019-07-01 08:16:30 C 15 14 40.787 -16 23 15.47 U F51
2019-07-01 08:33:42 C 15 14 37.074 -16 23 02.00 U F51
2019-07-01 08:50:48 C 15 14 33.380 -16 22 48.52 U F51
2019-07-03 06:41:43 C 15 04 59.513 -15 46 31.33 U F51
2019-07-03 06:58:05 C 15 04 55.964 -15 46 18.08 U F51
2019-07-03 07:14:26 C 15 04 52.419 -15 46 04.81 U F51
2019-07-03 07:30:53 C 15 04 48.857 -15 45 51.36 U F51
2019-07-09 14:57:11 S 14 33 28.774 -13 35 31.67 L C51
2019-07-09 18:05:30 S 14 32 50.338 -13 32 41.93 L C51
2020-03-01 07:16:49 C 13 00 41.56 -05 26 36.0 u H21
2020-03-01 07:23:42 C 13 00 41.10 -05 26 32.8 u H21
2020-03-01 07:31:22 C 13 00 40.50 -05 26 30.3 u H21
2024-05-19 07:05:38 C 16 14 36.917 -19 50 50.10 V G96
2024-05-19 07:13:11 C 16 14 36.186 -19 50 47.58 V G96
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)