163696 (2003 EB50)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5189164089 ± 5.62e-09
Semi-major axis (a)1.5710103633 AU ± 8.42e-10
Inclination (i)29.50238450° ± 1.44e-06
Long. of Asc. Node (Ω)65.60551846° ± 5.61e-07
Arg. of Perihelion (ω)278.95596979° ± 8.51e-07
Mean Anomaly (M)49.35443266° ± 1.24e-06
Mean Motion (n)0.5005456613°/day ± 4.02e-10
Perihelion dist (q)0.75578731 AU ± 8.85e-09
Aphelion dist (Q)2.38623342 AU ± 8.93e-09
Orbital Period1.96910364 yr ± 1.58e-09
Physical Parameters
H (abs. magnitude)16.53
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.454″
Uncertainty0
Orbit TypeApollo
MOID0.052853 AU
Observations Used5959
Radar Obs Used14
Gaia Obs Used95
Oppositions7
Arc Total2003-2017
First Observation Used2003-03-10
Last Observation Used2026-01-01
Observations (8774)
Date Type RA Dec Mag Band Observatory
2021-11-02 13:53:57 s 1 -98431.573 0 +324940.28 1540.0 C57
2021-11-02 14:13:57 S 09 08 12.120 +17 50 24.25 V C57
2021-11-02 14:13:57 s 1 -99061.859 0 +324280.03 1730.0 C57
2021-11-02 15:03:56 S 09 08 13.190 +17 52 20.68 V C57
2021-11-02 15:03:56 s 1 -100631.04 7 +322608.81 2180.0 C57
2021-11-02 15:23:57 S 09 08 13.834 +17 53 18.56 V C57
2021-11-02 15:23:57 s 1 -101256.07 2 +321932.06 2190.0 C57
2021-11-02 15:43:57 S 09 08 14.088 +17 54 09.65 V C57
2021-11-02 15:43:57 s 1 -101879.56 1 +321250.59 6330.0 C57
2021-11-02 16:03:56 S 09 08 14.998 +17 54 46.08 V C57
2021-11-02 16:03:56 s 1 -102501.49 9 +320564.37 4520.0 C57
2021-11-02 16:23:56 S 09 08 15.406 +17 55 47.28 V C57
2021-11-02 16:23:56 s 1 -103121.87 1 +319873.41 6720.0 C57
2021-11-02 16:33:56 S 09 08 15.629 +17 56 09.35 V C57
2021-11-02 16:33:56 s 1 -103431.46 5 +319526.15 550.0 C57
2021-11-02 17:13:57 S 09 08 16.982 +17 57 49.14 V C57
2021-11-02 17:13:57 s 1 -104665.85 2 +318125.20 630.0 C57
2021-11-02 17:53:56 S 09 08 17.832 +17 59 34.30 V C57
2021-11-02 17:53:56 s 1 -105893.76 1 +316705.15 5950.0 C57
2021-11-02 18:03:56 S 09 08 17.782 +17 59 58.81 V C57
2021-11-02 18:03:56 s 1 -106199.71 2 +316347.15 5860.0 C57
2021-11-02 18:23:57 S 09 08 18.370 +18 00 45.94 V C57
2021-11-02 18:23:57 s 1 -106810.36 9 +315627.54 930.0 C57
2021-11-02 19:03:56 S 09 08 19.555 +18 02 23.68 V C57
2021-11-02 19:03:56 s 1 -108026.64 5 +314173.91 1850.0 C57
2021-11-02 19:13:56 S 09 08 19.915 +18 02 54.24 V C57
2021-11-02 19:13:56 s 1 -108329.65 3 +313807.49 530.0 C57
2021-11-02 19:23:56 S 09 08 20.153 +18 03 19.30 V C57
2021-11-02 19:23:56 s 1 -108632.23 3 +313439.86 7580.0 C57
2021-11-02 19:43:56 S 09 08 20.796 +18 04 06.46 V C57
2021-11-02 19:43:56 s 1 -109236.09 9 +312700.99 6750.0 C57
2021-11-02 20:03:56 S 09 08 21.720 +18 05 02.47 V C57
2021-11-02 20:03:56 s 1 -109838.22 6 +311957.27 9300.0 C57
2021-11-02 20:23:56 S 09 08 21.744 +18 05 49.99 V C57
2021-11-02 20:23:56 s 1 -110438.60 0 +311208.71 5160.0 C57
2021-11-02 20:33:56 S 09 08 21.722 +18 06 09.54 V C57
2021-11-02 20:33:56 s 1 -110738.12 3 +310832.61 570.0 C57
2021-11-02 20:43:56 S 09 08 22.562 +18 06 45.50 V C57
2021-11-02 20:43:56 s 1 -111037.20 2 +310455.30 4290.0 C57
2021-11-02 20:53:56 S 09 08 22.294 +18 07 02.78 V C57
2021-11-02 20:53:56 s 1 -111335.83 3 +310076.76 6300.0 C57
2021-11-02 21:13:56 S 09 08 22.934 +18 07 54.84 V C57
2021-11-02 21:13:56 s 1 -111931.74 7 +309316.04 5200.0 C57
2021-11-02 21:23:57 S 09 08 23.114 +18 08 16.15 V C57
2021-11-02 21:23:57 s 1 -112229.02 6 +308933.85 2060.0 C57
2021-11-02 21:33:56 S 09 08 23.309 +18 08 44.84 V C57
2021-11-02 21:33:56 s 1 -112525.84 8 +308550.44 7200.0 C57
2021-11-02 21:43:56 S 09 08 23.424 +18 09 03.20 V C57
2021-11-02 21:43:56 s 1 -112822.21 4 +308165.81 590.0 C57
2021-11-02 21:53:56 S 09 08 23.614 +18 09 27.22 V C57
Radar Observations (14)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-11-29 04:30:00 29690.493 1 Hz 8560 -14 -14
2015-12-03 05:00:00 -516645.45 1 Hz 8560 -14 -14
2015-12-03 05:50:00 135344787.04 10 us 8560 -14 -14
2015-12-03 06:50:00 135567345.78 3 us 8560 -14 -14
2015-12-04 23:45:00 -192751.0704 0.1 Hz 2380 -1 -1
2015-12-05 00:08:00 146143531.01 4 us 2380 -1 -1
2015-12-05 23:18:00 -215805.2279 0.1 Hz 2380 -1 -1
2015-12-05 23:50:00 153531055.91 0.5 us 2380 -1 -1
2015-12-08 01:00:00 171291146.51 1 us 2380 -1 -1
2015-12-09 01:00:00 180935553.24 1 us 2380 -1 -1
2017-11-16 10:20:00 551171.3 0.2 Hz 8560 -14 -14
2017-11-17 09:40:00 463067.169 0.2 Hz 8560 -14 -14
2017-11-17 10:40:00 102430712.59 10 us 8560 -14 -14
2017-11-17 11:00:00 102367215.7 3 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)