astro.wikisort.org - Asteroid

2003 BR₄₇ is a sub-kilometer asteroid classified as near-Earth object and potentially hazardous asteroid of the Apollo group. It was discovered on 31 January 2003 by the LINEAR program. As of 19 March 2013^[update], its orbit is based on 170 observations spanning a data-arc of 939 days.

2003 BR₄₇

Discovery
Discovered by	LINEAR
Discovery site	Lincoln Lab ETS
Discovery date	31 January 2003
Designations
MPC designation	2003 BR47
Minor planet category	NEO · Apollo · PHA[1][2] Earth crosser, Mars crosser
Orbital characteristics[1][3][4]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 2
Observation arc	939 days (2.57 yr)
Aphelion	2.4425608 AU (365.40189 Gm)
Perihelion	0.81386474 AU (121.752432 Gm)
Semi-major axis	1.6282128 AU (243.57717 Gm)
Eccentricity	0.5001484
Orbital period (sidereal)	2.08 yr (758.87 d)
Mean anomaly	104.04713°
Mean motion	0° 28m 27.811s /day
Inclination	4.420487°
Longitude of ascending node	314.56267°
Argument of perihelion	112.52106°
Earth MOID	0.00791964 AU (1,184,761 km)
Jupiter MOID	2.90786 AU (435.010 Gm)
Physical characteristics
Dimensions	300-600 m[a][5]
Absolute magnitude (H)	21.4[1]

It comes to within 0.05 AU of Earth periodically. It is also an Earth crosser and a Mars crosser.

See also

• 99942 Apophis

Notes

References

External links

• 2003 BR₄₇ data at MPC
• List of Potentially Hazardous Asteroids (PHAs) – MPC
• 2003 BR47 at NeoDyS-2, Near Earth Objects—Dynamic Site
  • Ephemeris · Obs prediction · Orbital info · MOID · Proper elements · Obs info · Close · Physical info · NEOCC
• 2003 BR47 at ESA–space situational awareness
  • Ephemerides · Observations · Orbit · Physical Properties · Summary
• 2003 BR47 at the JPL Small-Body Database
  • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters

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