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(2012 BP61)
Classification: Outer Main-belt Asteroid          SPK-ID: 3596614
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .540536955475412 0.00013405  
a 3.56734655425383 0.0014914 au
q 1.639063908691763 0.0002306 au
i 2.849556484556619 0.0012549 deg
node 334.4311322528292 0.0041185 deg
peri 135.2932137603796 0.023529 deg
M 120.5561762984718 0.31772 deg
tp 2458376.355540708786
(2018-Sep-14.85554071)
1.6552 TDB
period 2461.027003795227
6.74
1.5433
0.004225
d
yr
n .1462803940975994 9.1732e-05 deg/d
Q 5.495629199815897 0.0022975 au
  Orbit Determination Parameters
   # obs. used (total)      30  
   data-arc span      43 days  
   first obs. used      2012-01-04  
   last obs. used      2012-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .34586  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 05:57:10  

Additional Information
 Earth MOID = .657134 au 
 Jupiter MOID = .0394287 au 
 T_jup = 2.850 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455953.5 (2012-Jan-27.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5428448697981079 0.00011984  
q 1.62586017253333 0.00030739 au
tp 2455921.880150162078
(2011-Dec-26.38015016)
0.029333 TDB
node 334.6409283285826 0.0060037 deg
peri 134.8328702209119 0.026967 deg
i 2.85183979841909 0.0012685 deg
  Orbit Determination Parameters
   # obs. used (total)      30  
   data-arc span      43 days  
   first obs. used      2012-01-04  
   last obs. used      2012-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .34586  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 05:57:10  

Additional Information
 Jupiter MOID = .0394287 au 
 T_jup = 2.850 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.436091875106328E-8 3.298806374699314E-8 2.064087428858271E-6 -6.047574142363525E-7 2.288263274932043E-6 1.366018570044723E-7
q 3.298806374699314E-8 9.448716421661564E-8 7.981763642170042E-6 -1.814516020722576E-6 7.854489767379513E-6 3.888536178671296E-7
tp 2.064087428858271E-6 7.981763642170042E-6 .0008604229850025928 -.0001606555353260835 .0007803797887384846 3.262952218548146E-5
node -6.047574142363525E-7 -1.814516020722576E-6 -.0001606555353260835 3.604421460399463E-5 -.000156372286877136 -7.544772175524236E-6
peri 2.288263274932043E-6 7.854489767379513E-6 .0007803797887384846 -.000156372286877136 .0007272053066951904 3.227303551623155E-5
i 1.366018570044723E-7 3.888536178671296E-7 3.262952218548146E-5 -7.544772175524236E-6 3.227303551623155E-5 1.609053411795909E-6

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 19.4   n/a MPO223031  

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