2003 BR47

2003 BR₄₇

Discovery
Discovered by	LINEAR
Discovery date	January 31, 2003
Designations
MPC designation	2003 BR47
Minor planet category	Apollo asteroid,[1][2] Earth crosser, Mars crosser
Orbital characteristics[2][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	2.08 yr (758.87 d)
Mean anomaly	104.04713°
Mean motion	0° 28^m 27.811^s /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[2]

2003 BR₄₇, also written 2003 BR47, is an Apollo asteroid but also an Earth crosser and a Mars crosser. It was discovered on January 31, 2003 by the LINEAR program. As of March 19, 2013 its orbit is based on 170 observations spanning a data-arc of 939 days. It is included in the Minor Planet Center list of Potentially Hazardous Asteroids (PHAs) as it comes to within 0.05 AU of Earth periodically.

See also

• 99942 Apophis

Notes

• ^{^} This is assuming an albedo of 0.25–0.05.

References

1. List Of Apollo Minor Planets
2. "2003 BR47". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3147555. Retrieved 30 March 2016.
3. AstDys-2 on 2003 BR47 Retrieved 2013-03-19
4. NEODyS-2 on 2003 BR47 Retrieved 2013-03-19
5. Absolute-magnitude conversion table (H)

External links

• 2003 BR₄₇ data at MPC
• List of Potentially Hazardous Asteroids (PHAs) – MPC
• 2003 BR47 at the JPL Small-Body Database
  
  • Discovery · Orbit diagram · Orbital elements · Physical parameters