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
2021-10-28 22:43:57 S 09 04 36.511 +13 12 06.48 V C57
2021-10-28 22:43:57 s 1 +130626.52 4 +304533.61 2170.0 C57
2021-10-28 22:53:57 S 09 04 36.799 +13 12 35.42 V C57
2021-10-28 22:53:57 s 1 +130342.24 0 +304924.18 8420.0 C57
2021-10-28 23:03:57 S 09 04 37.219 +13 12 56.95 V C57
2021-10-28 23:03:57 s 1 +130057.46 1 +305313.56 3060.0 C57
2021-10-28 23:13:57 S 09 04 37.721 +13 13 25.28 V C57
2021-10-28 23:13:57 s 1 +129772.18 7 +305701.77 6090.0 C57
2021-10-28 23:23:57 S 09 04 38.059 +13 13 47.50 V C57
2021-10-28 23:23:57 s 1 +129486.42 2 +306088.80 7520.0 C57
2021-10-28 23:43:57 S 09 04 38.834 +13 14 37.82 V C57
2021-10-28 23:43:57 s 1 +128913.42 5 +306859.33 5590.0 C57
2021-10-28 23:53:57 S 09 04 39.173 +13 15 02.63 V C57
2021-10-28 23:53:57 s 1 +128626.19 6 +307242.83 2250.0 C57
2021-10-29 00:03:57 S 09 04 39.722 +13 15 27.47 V C57
2021-10-29 00:03:57 s 1 +128338.48 5 +307625.16 7340.0 C57
2021-10-29 00:13:57 S 09 04 39.989 +13 15 53.42 V C57
2021-10-29 00:13:57 s 1 +128050.29 2 +308006.31 860.0 C57
2021-10-29 00:33:57 S 09 04 40.860 +13 16 46.45 V C57
2021-10-29 00:33:57 s 1 +127472.47 1 +308765.11 3230.0 C57
2021-10-29 00:43:57 S 09 04 41.194 +13 17 08.09 V C57
2021-10-29 00:43:57 s 1 +127182.84 8 +309142.75 2100.0 C57
2021-10-29 00:53:57 S 09 04 41.587 +13 17 32.28 V C57
2021-10-29 00:53:57 s 1 +126892.75 1 +309519.22 9420.0 C57
2021-10-29 01:03:57 S 09 04 42.211 +13 18 00.00 V C57
2021-10-29 01:03:57 s 1 +126602.18 3 +309894.52 5220.0 C57
2021-10-29 01:13:57 S 09 04 42.406 +13 18 22.00 V C57
2021-10-29 01:13:57 s 1 +126311.14 6 +310268.65 9490.0 C57
2021-10-29 01:23:57 S 09 04 42.946 +13 18 45.83 V C57
2021-10-29 01:23:57 s 1 +126019.64 3 +310641.62 2240.0 C57
2021-10-29 01:53:57 S 09 04 44.038 +13 20 03.55 V C57
2021-10-29 01:53:57 s 1 +125142.35 3 +311753.53 1470.0 C57
2021-10-29 02:03:57 S 09 04 44.227 +13 20 27.17 V C57
2021-10-29 02:03:57 s 1 +124849.00 2 +312121.83 8220.0 C57
2021-10-29 02:23:57 S 09 04 44.981 +13 21 15.30 V C57
2021-10-29 02:23:57 s 1 +124260.93 4 +312854.96 7290.0 C57
2021-10-29 02:33:57 S 09 04 45.463 +13 21 41.36 V C57
2021-10-29 02:33:57 s 1 +123966.22 0 +313219.78 9610.0 C57
2021-10-29 02:43:57 S 09 04 45.854 +13 22 09.59 V C57
2021-10-29 02:43:57 s 1 +123671.05 5 +313583.44 480.0 C57
2021-10-29 02:53:57 S 09 04 46.066 +13 22 36.52 V C57
2021-10-29 02:53:57 s 1 +123375.44 2 +313945.95 9880.0 C57
2021-10-29 03:03:57 S 09 04 46.752 +13 22 56.21 V C57
2021-10-29 03:03:57 s 1 +123079.38 1 +314307.29 7840.0 C57
2021-10-29 03:13:57 S 09 04 47.026 +13 23 21.26 V C57
2021-10-29 03:13:57 s 1 +122782.87 6 +314667.48 4360.0 C57
2021-10-29 03:23:57 S 09 04 47.374 +13 23 49.31 V C57
2021-10-29 03:23:57 s 1 +122485.92 8 +315026.51 9440.0 C57
2021-10-29 03:33:57 S 09 04 47.714 +13 24 11.59 V C57
2021-10-29 03:33:57 s 1 +122188.54 0 +315384.38 3090.0 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)