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85012 (2004 BY27)
Classification: Main-belt Asteroid          SPK-ID: 2085012
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0812997534647799 5.934e-08  
a 2.213721997333637 9.9564e-09 au
q 2.033746944710852 1.3673e-07 au
i 6.436633881925487 4.8638e-06 deg
node 112.262737612803 4.8897e-05 deg
peri 347.7780016861032 5.941e-05 deg
M 13.77742936211027 3.368e-05 deg
tp 2458954.458576772691
(2020-Apr-14.95857677)
0.00011251 TDB
period 1203.048255679269
3.29
8.1162e-06
2.222e-08
d
yr
n .2992398669800119 2.0188e-09 deg/d
Q 2.393697049956422 1.0766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      9515 days (26.05 yr)  
   first obs. used      1994-01-07  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58493  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:24:49  

Additional Information
 Earth MOID = 1.0511 au 
 Jupiter MOID = 2.69925 au 
 T_jup = 3.643 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457208.5 (2015-Jul-05.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08060468866508178 5.9217e-08  
q 2.03536795715194 1.3636e-07 au
tp 2457750.747930701131
(2016-Dec-28.24793070)
0.00011313 TDB
node 112.3120338217947 4.8922e-05 deg
peri 347.5541252127128 5.9648e-05 deg
i 6.434744315098391 4.8616e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      9515 days (26.05 yr)  
   first obs. used      1994-01-07  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58493  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:24:49  

Additional Information
 Jupiter MOID = 2.69925 au 
 T_jup = 3.643 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.506708101783041E-15 -8.062683847573526E-15 -9.567780538039914E-13 -1.783268510620058E-14 -9.934984640874058E-14 -8.373475037616798E-15
q -8.062683847573526E-15 1.859487944313698E-14 2.164694999224597E-12 4.111680741468567E-14 2.09296451001145E-13 1.934193068714006E-14
tp -9.567780538039914E-13 2.164694999224597E-12 1.279734528189052E-8 6.942554130116728E-11 3.871043214170563E-9 1.127033922469855E-11
node -1.783268510620058E-14 4.111680741468567E-14 6.942554130116728E-11 2.39340398759288E-9 -2.357118589586261E-9 -4.945649021641052E-11
peri -9.934984640874058E-14 2.09296451001145E-13 3.871043214170563E-9 -2.357118589586261E-9 3.55790160356018E-9 5.221047698491561E-11
i -8.373475037616798E-15 1.934193068714006E-14 1.127033922469855E-11 -4.945649021641052E-11 5.221047698491561E-11 2.363560545571775E-11

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 16.8   n/a MPO344887  

85012 (2004 BY27)          Discovered 2004-Jan-18 by NEAT at Palomar
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 2004 BY27 = 1996 VY22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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