2023 FW13

2023 FW13 is an asteroid that was spotted on March 28, 2023, from the Pan-STARRS telescope at Hawaii, United States. It circles the sun in sync with Earth in such a way that it appears to orbit Earth, but well outside Earth's Hill sphere, making it a quasi-satellite.

2023 FW13
Discovery
Discovered byPan-STARRS
Discovery siteHaleakala Observatory
Discovery date28 March 2023
Designations
MPC designation
2023 FW13
Minor planet category
  • NEO
  • Apollo
  • Earth quasi-satellite
Orbital characteristics
Epoch 26 February 2023 (JD 2460000.5)
Uncertainty parameter 0
Observation arc10.86 yr (3,967 d)
Aphelion1.1781 AU
Perihelion0.8225 AU
Semi-major axis
1.0003 AU
Eccentricity0.1777
Orbital period (sidereal)
1.0005 yr (365.42 days)
Mean anomaly
73.09°
Mean motion
0° 59m 6.601s / day
Inclination2.7441°
Longitude of ascending node
70.557°
354.40°
Earth MOID.0454762 AU (6,803,140 km; 17.6979 LD)
Physical characteristics
  • 26.01
  • 26.10
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