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185468 (2007 BR42)
Classification: Main-belt Asteroid          SPK-ID: 2185468
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08741540126453315 5.9326e-08  
a 3.043067997602247 3.0374e-08 au
q 2.777056987516587 1.9576e-07 au
i 11.97554567517572 4.4004e-06 deg
node 137.7875680294152 2.6728e-05 deg
peri 238.4003186613821 3.9873e-05 deg
M 295.2948600538535 3.3774e-05 deg
tp 2459348.999526341308
(2021-May-14.49952634)
0.00018544 TDB
period 1938.946884085098
5.31
2.903e-05
7.948e-08
d
yr
n .1856677988215586 2.7798e-09 deg/d
Q 3.309079007687907 3.3029e-08 au
  Orbit Determination Parameters
   # obs. used (total)      443  
   data-arc span      6404 days (17.53 yr)  
   first obs. used      2002-02-10  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51182  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:05:31  

Additional Information
 Earth MOID = 1.79771 au 
 Jupiter MOID = 2.16535 au 
 T_jup = 3.200 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO264442  
diameter diameter 5.913 km 0.340 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

185468 (2007 BR42)          Discovered 2007-Jan-24 by CSS at Catalina
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 2007 BR42 = 2005 WP184 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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