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
2022-01-02 18:23:55 s 1 +161866.98 4 +254802.06 2190.0 C57
2022-01-02 18:33:55 S 07 13 47.254 +67 24 36.90 V C57
2022-01-02 18:33:55 s 1 +161668.36 7 +255347.36 3380.0 C57
2022-01-02 18:43:55 S 07 13 44.618 +67 24 40.79 V C57
2022-01-02 18:43:55 s 1 +161468.95 2 +255891.43 1460.0 C57
2022-01-02 18:53:55 S 07 13 41.770 +67 24 47.45 V C57
2022-01-02 18:53:55 s 1 +161268.74 3 +256434.26 6440.0 C57
2022-01-02 19:03:55 S 07 13 39.962 +67 24 49.86 V C57
2022-01-02 19:03:55 s 1 +161067.74 2 +256975.86 8340.0 C57
2022-01-02 19:23:55 S 07 13 34.498 +67 25 02.53 V C57
2022-01-02 19:23:55 s 1 +160663.38 1 +258055.34 2950.0 C57
2022-01-02 19:33:55 S 07 13 32.618 +67 25 07.28 V C57
2022-01-02 19:33:55 s 1 +160460.02 7 +258593.24 5680.0 C57
2022-01-02 19:43:55 S 07 13 30.492 +67 25 15.20 V C57
2022-01-02 19:43:55 s 1 +160255.89 6 +259129.91 5400.0 C57
2022-01-02 19:53:55 S 07 13 27.806 +67 25 15.38 V C57
2022-01-02 19:53:55 s 1 +160050.99 0 +259665.34 2100.0 C57
2022-01-02 20:03:55 S 07 13 26.186 +67 25 21.54 V C57
2022-01-02 20:03:55 s 1 +159845.31 4 +260199.55 5800.0 C57
2022-01-02 20:13:55 S 07 13 23.539 +67 25 26.94 V C57
2022-01-02 20:13:55 s 1 +159638.87 0 +260732.53 6520.0 C57
2022-01-02 20:23:55 S 07 13 21.852 +67 25 32.70 V C57
2022-01-02 20:23:55 s 1 +159431.66 1 +261264.29 4270.0 C57
2022-01-02 20:43:55 S 07 13 16.932 +67 25 36.88 V C57
2022-01-02 20:43:55 s 1 +159014.96 4 +262324.13 920.0 C57
2022-01-02 20:53:55 S 07 13 15.259 +67 25 49.40 V C57
2022-01-02 20:53:55 s 1 +158805.48 2 +262852.22 9850.0 C57
2022-01-02 21:03:55 S 07 13 12.514 +67 25 48.47 V C57
2022-01-02 21:03:55 s 1 +158595.24 9 +263379.08 5860.0 C57
2022-01-02 21:13:55 S 07 13 10.421 +67 25 55.27 V C57
2022-01-02 21:13:55 s 1 +158384.26 8 +263904.73 8970.0 C57
2022-01-02 21:23:55 S 07 13 07.862 +67 26 03.08 V C57
2022-01-02 21:23:55 s 1 +158172.54 2 +264429.16 9190.0 C57
2022-01-02 21:33:55 S 07 13 05.599 +67 26 05.96 V C57
2022-01-02 21:33:55 s 1 +157960.07 3 +264952.38 6540.0 C57
2022-01-02 22:03:55 S 07 12 59.162 +67 26 18.02 V C57
2022-01-02 22:03:55 s 1 +157318.25 0 +266514.73 1470.0 C57
2022-01-02 22:13:55 S 07 12 57.398 +67 26 24.94 V C57
2022-01-02 22:13:55 s 1 +157102.84 6 +267033.09 7450.0 C57
2022-01-02 22:23:55 S 07 12 54.622 +67 26 28.07 V C57
2022-01-02 22:23:55 s 1 +156886.71 6 +267550.24 630.0 C57
2022-01-02 22:33:55 S 07 12 52.402 +67 26 37.46 V C57
2022-01-02 22:33:55 s 1 +156669.86 3 +268066.18 1010.0 C57
2022-01-02 22:43:55 S 07 12 49.999 +67 26 36.78 V C57
2022-01-02 22:43:55 s 1 +156452.29 0 +268580.92 8600.0 C57
2022-01-02 23:03:55 S 07 12 44.818 +67 26 45.31 V C57
2022-01-02 23:03:55 s 1 +156014.99 6 +269606.76 5500.0 C57
2022-01-02 23:23:55 S 07 12 40.908 +67 26 56.98 V C57
2022-01-02 23:23:55 s 1 +155574.85 9 +270627.80 1410.0 C57
2022-01-02 23:53:55 S 07 12 34.200 +67 27 10.51 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)