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85563 (1998 BF7)
Classification: Inner Main-belt Asteroid          SPK-ID: 2085563
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1212183353257369 3.5907e-08  
a 1.944914314333347 7.9882e-09 au
q 1.709155038798661 7.0365e-08 au
i 23.80199390074226 4.8585e-06 deg
node 131.6861054995836 9.8726e-06 deg
peri 260.3608467443321 2.5505e-05 deg
M 167.7428786520864 2.6386e-05 deg
tp 2458538.873505311736
(2019-Feb-24.37350531)
7.2166e-05 TDB
period 990.715906530127
2.71
6.1036e-06
1.671e-08
d
yr
n .3633735944150329 2.2387e-09 deg/d
Q 2.180673589868032 8.9565e-09 au
  Orbit Determination Parameters
   # obs. used (total)      846  
   data-arc span      8188 days (22.42 yr)  
   first obs. used      1997-12-29  
   last obs. used      2020-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48523  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:17:02  

Additional Information
 Earth MOID = .816206 au 
 Jupiter MOID = 3.19127 au 
 T_jup = 3.786 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457544.5 (2016-Jun-05.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1210863416841814 3.5927e-08  
q 1.709586417601934 7.0407e-08 au
tp 2457547.591672018941
(2016-Jun-08.09167202)
7.1633e-05 TDB
node 131.7239945097787 9.8718e-06 deg
peri 260.2107941971467 2.5521e-05 deg
i 23.80208829027121 4.8586e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      846  
   data-arc span      8188 days (22.42 yr)  
   first obs. used      1997-12-29  
   last obs. used      2020-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48523  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:17:02  

Additional Information
 Jupiter MOID = 3.19127 au 
 T_jup = 3.786 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.290745184347913E-15 -2.516911842308471E-15 -1.523276980703184E-13 -3.144932207161956E-15 -6.454660747363779E-14 1.223973217129381E-14
q -2.516911842308471E-15 4.957193068236774E-15 3.267841172752058E-13 5.7415801096522E-15 1.35600164010625E-13 -2.333158762210568E-14
tp -1.523276980703184E-13 3.267841172752058E-13 5.131266421450552E-9 1.906390278816926E-11 1.697376639495923E-9 -1.12816317587856E-11
node -3.144932207161956E-15 5.7415801096522E-15 1.906390278816926E-11 9.745279220685366E-11 -8.197022829656832E-11 3.125873274198358E-12
peri -6.454660747363779E-14 1.35600164010625E-13 1.697376639495923E-9 -8.197022829656832E-11 6.51342898024177E-10 -6.969813274857042E-12
i 1.223973217129381E-14 -2.333158762210568E-14 -1.12816317587856E-11 3.125873274198358E-12 -6.969813274857042E-12 2.36058116971895E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO449531  

85563 (1998 BF7)          Discovered 1998-Jan-24 by NEAT at Haleakala
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 BF7 = 1999 NS2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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