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(2012 BL173)
Classification: Asteroid          SPK-ID: 54011304
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4016165254589731 1.0096e-05  
a 5.342783618291764 0.00010477 au
q 3.197033425234306 1.304e-05 au
i 14.22320456631026 5.4896e-05 deg
node 139.4322668542552 7.0307e-05 deg
peri 64.65917033570705 0.0024027 deg
M 218.6643824307908 0.0061765 deg
tp 2460771.419930064328
(2025-Apr-05.91993006)
0.12903 TDB
period 4510.760880999951
12.35
0.13268
0.0003633
d
yr
n .0798091518254443 2.3475e-06 deg/d
Q 7.488533811349223 0.00014685 au
  Orbit Determination Parameters
   # obs. used (total)      26  
   data-arc span      514 days (1.41 yr)  
   first obs. used      2012-01-21  
   last obs. used      2013-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .45356  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-19 18:51:28  

Additional Information
 Earth MOID = 2.22995 au 
 Jupiter MOID = .218325 au 
 T_jup = 2.773 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.606   .32967 2 autocmod 2.8

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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