2019 BO

2019 BODiscovery[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
|{{{apsis}}}|helion}}| 2.325 AU
|{{{apsis}}}|helion}}| 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° 28m 16.248s / day
Inclination| 2.78881°
Longitude of ascending node| 295.63980°

|{{{apsis}}}|helion}}

| 149.97352°
Earth MOID| 0.00057 AU
Physical characteristics
Mean diameter| 5–18 m (16–59 ft)
Absolute magnitude (H)| 28.1[2]

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.

## See also

* List of asteroid close approaches to Earth in 2019

## References

1. ↑ 1.0 1.1 1.2 "2019 BO". Minor Planet Center. https://minorplanetcenter.net/db_search/show_object?object_id=2019+BO. Retrieved 30 April 2020.
2. ↑ 2.0 2.1 2.2 "JPL Small-Body Database Browser: (2019 BO)". Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2019+BO;cad=1#cad. 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

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