2019 BO

2019 BO is a tiny near-Earth asteroid of the Apollo group. It was first observed by the Catalina Sky Survey at the Mount Lemmon Observatory on 7 January 2019. It passed within 0.18 lunar distances, or 69,192 kilometres (42,994 mi) from Earth.

2019 BO

Discovery[1]
Discovered by	CSS
Discovery site	Mt. Lemmon Obs.
Discovery date	7 January 2019
Designations
MPC designation	2019 BO
Minor planet category	NEO · Apollo [2][1]
Orbital characteristics [2][1]
Epoch 27 April 2019 (JD 2458600.5)
Uncertainty parameter 5
Observation arc	19 days
Aphelion	2.325 AU
Perihelion	0.9457236 AU
Semi-major axis	1.6356032 AU
Eccentricity	0.4217891
Orbital period	2.09 yr (764.2 d)
Mean anomaly	58.82453°
Mean motion	0° 28^m 16.248^s / day
Inclination	2.78881°
Longitude of ascending node	295.63980°
Argument of perihelion	149.97352°
Earth MOID	0.00057 AU
Physical characteristics
Mean diameter	5–18 m (16–59 ft)
Absolute magnitude (H)	28.1[2]

See also

• List of asteroid close approaches to Earth in 2019

References

1. "2019 BO". Minor Planet Center. Retrieved 30 April 2020.
2. "JPL Small-Body Database Browser: (2019 BO)" (2019-02-05 last obs.). Jet Propulsion Laboratory. Retrieved 30 April 2020.

External links

• 2019 BO at NeoDyS-2, Near Earth Objects—Dynamic Site
  • Ephemeris · Obs prediction · Orbital info · MOID · Proper elements · Obs info · Close · Physical info · NEOCC
• 2019 BO at ESA–space situational awareness
  • Ephemerides · Observations · Orbit · Physical Properties · Summary
• 2019 BO at the JPL Small-Body Database
  • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters