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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 
[ show covariance matrix ]

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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