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JPL Small-Body Database Browser
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442579 (2012 BQ87)
Classification: Main-belt Asteroid          SPK-ID: 2442579
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1027833519937221 6.233e-08  
a 3.13292149935124 7.1146e-08 au
q 2.810909326114722 1.9568e-07 au
i 15.49709919441121 9.5769e-06 deg
node 287.7753447791993 3.1946e-05 deg
peri 126.1633500772018 6.9257e-05 deg
M 173.1018128682428 6.1246e-05 deg
tp 2457626.583302251571
(2016-Aug-26.08330225)
0.00032954 TDB
period 2025.455455260327
5.55
6.8995e-05
1.889e-07
d
yr
n .1777378016707507 6.0544e-09 deg/d
Q 3.454933672587758 7.8459e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      5404 days (14.80 yr)  
   first obs. used      2004-08-12  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51311  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:48  

Additional Information
 Earth MOID = 1.85438 au 
 Jupiter MOID = 1.86995 au 
 T_jup = 3.148 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO437721  
diameter diameter 4.431 km 0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.188   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

442579 (2012 BQ87)          Discovered 2010-Jul-23 by WISE at WISE
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2012 BQ87 = 2010 OH52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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