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JPL Small-Body Database Browser
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185699 (1998 BF39)
Classification: Main-belt Asteroid          SPK-ID: 2185699
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06335221571901285 5.298e-08  
a 2.690122991466684 2.336e-08 au
q 2.51969773940061 1.4328e-07 au
i 1.224011064975851 7.5644e-06 deg
node 334.4444330711216 0.00027026 deg
peri 87.672163612093 0.00027798 deg
M 75.86819133818778 6.2985e-05 deg
tp 2458660.863887489963
(2019-Jun-26.36388749)
0.00028234 TDB
period 1611.59767152733
4.41
2.0992e-05
5.747e-08
d
yr
n .2233808141822541 2.9096e-09 deg/d
Q 2.860548243532757 2.484e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      9440 days (25.85 yr)  
   first obs. used      1994-03-04  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61243  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 22:35:40  

Additional Information
 Earth MOID = 1.53286 au 
 Jupiter MOID = 2.3289 au 
 T_jup = 3.369 
[ show covariance matrix ]

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 MPO470003  

185699 (1998 BF39)          Discovered 1998-Jan-29 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 1998 BF39 = 2001 YE31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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