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
2024-03-23 21:28:21 S 12 42 29.830 +43 08 11.29 V C57
2024-03-23 21:28:21 s 1 -24332.526 0 +194510.41 0.573 C57
2024-03-24 01:48:21 S 12 42 14.904 +43 17 13.20 V C57
2024-03-24 01:48:21 s 1 -38152.932 0 +178375.24 0.902 C57
2024-03-24 02:08:21 S 12 42 13.615 +43 17 57.48 V C57
2024-03-24 02:08:21 s 1 -39202.717 0 +177061.96 0.974 C57
2024-03-24 02:28:21 S 12 42 12.521 +43 18 37.44 V C57
2024-03-24 02:28:21 s 1 -40250.231 0 +175738.38 0.438 C57
2024-03-24 02:48:21 S 12 42 11.244 +43 19 21.29 V C57
2024-03-24 02:48:21 s 1 -41295.375 0 +174404.40 0.151 C57
2024-03-24 03:08:21 S 12 42 09.965 +43 20 04.16 V C57
2024-03-24 03:08:21 s 1 -42338.030 0 +173059.86 0.932 C57
2024-03-24 03:28:21 S 12 42 08.722 +43 20 44.56 V C57
2024-03-24 03:28:21 s 1 -43378.164 0 +171704.97 0.841 C57
2024-03-24 03:48:21 S 12 42 07.562 +43 21 28.08 V C57
2024-03-24 03:48:21 s 1 -44415.669 0 +170339.62 0.729 C57
2024-03-24 04:08:21 S 12 42 06.214 +43 22 09.41 V C57
2024-03-24 04:08:21 s 1 -45450.420 0 +168963.67 0.408 C57
2024-03-24 04:28:21 S 12 42 05.040 +43 22 53.26 V C57
2024-03-24 04:28:21 s 1 -46482.388 0 +167577.31 0.941 C57
2024-03-24 04:48:21 S 12 42 03.756 +43 23 38.11 V C57
2024-03-24 04:48:21 s 1 -47511.457 0 +166180.46 0.175 C57
2024-03-24 05:08:21 S 12 42 02.347 +43 24 17.78 V C57
2024-03-24 05:08:21 s 1 -48537.495 0 +164772.95 0.916 C57
2024-03-24 05:28:21 S 12 42 01.171 +43 25 02.06 V C57
2024-03-24 05:28:21 s 1 -49560.473 0 +163355.01 0.229 C57
2024-03-24 05:48:21 S 12 41 59.808 +43 25 44.22 V C57
2024-03-24 05:48:21 s 1 -50580.270 0 +161926.54 0.955 C57
2024-03-24 06:08:21 S 12 41 58.546 +43 26 26.84 V C57
2024-03-24 06:08:21 s 1 -51596.746 0 +160487.38 0.895 C57
2024-03-24 06:28:21 S 12 41 57.163 +43 27 10.51 V C57
2024-03-24 06:28:21 s 1 -52609.873 0 +159037.75 0.118 C57
2024-03-24 06:48:21 S 12 41 55.786 +43 27 55.73 V C57
2024-03-24 06:48:21 s 1 -53619.524 0 +157577.57 0.458 C57
2024-03-24 07:08:21 S 12 41 54.410 +43 28 37.09 V C57
2024-03-24 07:08:21 s 1 -54625.548 0 +156106.68 0.711 C57
2024-03-24 07:28:21 S 12 41 53.054 +43 29 21.16 V C57
2024-03-24 07:28:21 s 1 -55627.923 0 +154625.31 0.947 C57
2024-03-24 07:48:21 S 12 41 51.588 +43 30 03.64 V C57
2024-03-24 07:48:21 s 1 -56626.512 0 +153133.37 0.999 C57
2024-03-24 08:08:21 S 12 41 50.215 +43 30 46.33 V C57
2024-03-24 08:08:21 s 1 -57621.157 0 +151630.71 0.653 C57
2024-03-24 08:28:21 S 12 41 48.936 +43 31 29.96 V C57
2024-03-24 08:28:21 s 1 -58611.835 0 +150117.57 0.984 C57
2024-03-24 08:48:21 S 12 41 47.431 +43 32 13.78 V C57
2024-03-24 08:48:21 s 1 -59598.404 0 +148593.85 0.818 C57
2024-03-24 09:08:21 S 12 41 46.061 +43 32 58.45 V C57
2024-03-24 09:08:21 s 1 -60580.697 0 +147059.42 0.936 C57
2024-03-24 09:28:21 S 12 41 44.554 +43 33 41.54 V C57
2024-03-24 09:28:21 s 1 -61558.693 0 +145514.51 0.417 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)