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442574 (2012 BH74)
Classification: Main-belt Asteroid          SPK-ID: 2442574
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1841642130818391 6.9281e-08  
a 3.025853384410993 5.6596e-08 au
q 2.468599476969923 2.436e-07 au
i 4.332703785837133 7.692e-06 deg
node 147.2083557235587 7.4732e-05 deg
peri 266.5658995909561 8.1128e-05 deg
M 265.7862326194444 4.0536e-05 deg
tp 2459503.632205922055
(2021-Oct-16.13220592)
0.00022728 TDB
period 1922.517262262906
5.26
5.3939e-05
1.477e-07
d
yr
n .1872544954817523 5.2537e-09 deg/d
Q 3.583107291852063 6.7019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      6734 days (18.44 yr)  
   first obs. used      2002-02-20  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55327  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 00:52:53  

Additional Information
 Earth MOID = 1.48461 au 
 Jupiter MOID = 1.8045 au 
 T_jup = 3.214 
[ 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 16.4   n/a MPO440833  

442574 (2012 BH74)          Discovered 2002-Feb-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2012 BH74 = 2007 BE65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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