2013 XZ9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3943469845 ± 1.77e-06
Semi-major axis (a)1.5254919989 AU ± 4.89e-06
Inclination (i)21.42867167° ± 3.35e-05
Long. of Asc. Node (Ω)71.25948575° ± 6.78e-06
Arg. of Perihelion (ω)315.02424909° ± 1.85e-04
Mean Anomaly (M)143.20099632° ± 1.12e-02
Mean Motion (n)0.5231152429°/day ± 2.51e-06
Perihelion dist (q)0.92391883 AU ± 4.01e-06
Aphelion dist (Q)2.12706517 AU ± 7.33e-06
Orbital Period1.88414751 yr ± 9.05e-06
Physical Parameters
H (abs. magnitude)22.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.572″
Uncertainty2
Orbit TypeApollo
MOID0.017571 AU
Observations Used54
Radar Obs Used4
Oppositions1
Arc Total2013-2013
First Observation Used2013-12-08
Last Observation Used2013-12-26
Observations (55)
Date Type RA Dec Mag Band Observatory
2013-12-15 06:57:13 C 01 04 01.249 +43 08 00.89 L F51
2013-12-15 07:15:33 C 01 04 05.127 +43 10 07.93 L F51
2013-12-26 03:26:57 C 02 01 15.28 +59 24 56.6 o 926
2013-12-26 03:37:38 C 02 01 17.34 +59 25 15.9 o 926
2013-12-26 03:51:01 C 02 01 19.89 +59 25 39.5 o 926
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2013-12-11 23:30:00 -158324.5807 1 Hz 2380 -1 -1
2013-12-11 23:42:00 -158763.0415 0.1 Hz 2380 -1 -1
2013-12-12 00:07:00 84827443.85 4 us 2380 -1 -1
2013-12-12 00:30:00 84920270.77 0.2 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)