517681 (2015 DE198)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5824731052 ± 7.13e-09
Semi-major axis (a)2.0638151766 AU ± 2.40e-09
Inclination (i)12.24158619° ± 2.00e-06
Long. of Asc. Node (Ω)33.20634214° ± 3.19e-06
Arg. of Perihelion (ω)218.16964482° ± 4.33e-06
Mean Anomaly (M)183.48642443° ± 4.92e-07
Mean Motion (n)0.3324344885°/day ± 5.79e-10
Perihelion dist (q)0.86169834 AU ± 1.48e-08
Aphelion dist (Q)3.26593201 AU ± 1.52e-08
Orbital Period2.96487373 yr ± 5.17e-09
Physical Parameters
H (abs. magnitude)18.93
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.295″
Uncertainty0
Orbit TypeApollo
MOID0.042036 AU
Observations Used965
Radar Obs Used4
Oppositions47
Arc Total1953-2024
First Observation Used1953-03-08
Last Observation Used2024-10-07
Observations (1458)
Date Type RA Dec Mag Band Observatory
2024-03-24 09:48:21 S 12 41 43.118 +43 34 26.08 V C57
2024-03-24 09:48:21 s 1 -62532.243 0 +143959.04 0.083 C57
2024-03-24 10:08:21 S 12 41 41.770 +43 35 09.56 V C57
2024-03-24 10:08:21 s 1 -63501.168 0 +142392.87 0.704 C57
2024-03-24 10:28:21 S 12 41 40.243 +43 35 53.41 V C57
2024-03-24 10:28:21 s 1 -64465.451 0 +140816.25 0.367 C57
2024-03-24 10:48:21 S 12 41 38.767 +43 36 38.27 V C57
2024-03-24 10:48:21 s 1 -65424.935 0 +139229.09 0.887 C57
2024-03-24 11:08:21 S 12 41 37.260 +43 37 21.90 V C57
2024-03-24 11:08:21 s 1 -66379.432 0 +137631.27 0.028 C57
2024-03-24 11:28:21 S 12 41 35.873 +43 38 07.12 V C57
2024-03-24 11:28:21 s 1 -67328.927 0 +136023.03 0.882 C57
2024-03-24 11:48:21 S 12 41 34.238 +43 38 50.17 V C57
2024-03-24 11:48:21 s 1 -68273.254 0 +134404.31 0.256 C57
2024-03-24 12:08:21 S 12 41 32.830 +43 39 32.80 V C57
2024-03-24 12:08:21 s 1 -69212.216 0 +132774.97 0.911 C57
2024-03-24 12:28:21 S 12 41 31.286 +43 40 17.87 V C57
2024-03-24 12:28:21 s 1 -70145.801 0 +131135.27 0.941 C57
2024-03-24 12:48:21 S 12 41 29.681 +43 41 02.98 V C57
2024-03-24 12:48:21 s 1 -71073.834 0 +129485.14 0.15 C57
2024-03-24 13:08:21 S 12 41 28.116 +43 41 48.73 V C57
2024-03-24 13:08:21 s 1 -71996.108 0 +127824.48 0.291 C57
2024-03-24 13:28:21 S 12 41 26.690 +43 42 31.50 V C57
2024-03-24 13:28:21 s 1 -72912.613 0 +126153.52 0.463 C57
2024-03-24 13:48:21 S 12 41 25.032 +43 43 16.57 V C57
2024-03-24 13:48:21 s 1 -73823.167 0 +124472.22 0.465 C57
2024-03-24 14:08:21 S 12 41 23.546 +43 44 01.00 V C57
2024-03-24 14:08:21 s 1 -74727.551 0 +122780.47 0.043 C57
2024-03-24 14:28:21 S 12 41 21.926 +43 44 46.18 V C57
2024-03-24 14:28:21 s 1 -75625.760 0 +121078.53 0.302 C57
2024-03-24 14:48:21 S 12 41 20.304 +43 45 31.50 V C57
2024-03-24 14:48:21 s 1 -76517.602 0 +119366.34 0.038 C57
2024-03-24 15:08:21 S 12 41 18.734 +43 46 17.15 V C57
2024-03-24 15:08:21 s 1 -77402.847 0 +117643.82 0.988 C57
2024-03-24 15:28:21 S 12 41 17.093 +43 47 01.25 V C57
2024-03-24 15:28:21 s 1 -78281.494 0 +115911.23 0.263 C57
2024-03-24 15:48:21 S 12 41 15.391 +43 47 46.43 V C57
2024-03-24 15:48:21 s 1 -79153.342 0 +114168.53 0.655 C57
2024-03-24 16:08:21 S 12 41 13.903 +43 48 31.82 V C57
2024-03-24 16:08:21 s 1 -80018.151 0 +112415.62 0.895 C57
2024-03-24 16:28:21 S 12 41 12.182 +43 49 18.88 V C57
2024-03-24 16:28:21 s 1 -80875.923 0 +110652.79 0.1 C57
2024-03-24 16:48:21 S 12 41 10.656 +43 50 03.52 V C57
2024-03-24 16:48:21 s 1 -81726.448 0 +108879.99 0.057 C57
2024-03-24 17:08:21 S 12 41 08.856 +43 50 46.32 V C57
2024-03-24 17:08:21 s 1 -82569.474 0 +107097.16 0.492 C57
2024-03-24 17:28:21 S 12 41 07.214 +43 51 38.20 V C57
2024-03-24 17:28:21 s 1 -83405.008 0 +105304.57 0.529 C57
2024-03-24 17:48:21 S 12 41 05.491 +43 52 17.72 V C57
2024-03-24 17:48:21 s 1 -84232.832 0 +103502.20 0.949 C57
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2024-04-12 08:00:00 390922.774 2 Hz 8560 -14 -14
2024-04-13 00:30:00 325842.885 2 Hz 8560 -14 -14
2024-04-13 01:40:00 51160316.43 2 us 8560 -14 -14
2024-04-13 02:30:00 51049208.72 1 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)