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JPL Small-Body Database Browser
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39847 (1998 BU42)
Classification: Main-belt Asteroid          SPK-ID: 2039847
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1872606985068562 3.0812e-08  
a 2.600830743163842 1.0972e-08 au
q 2.113797361500875 7.9149e-08 au
i 1.013832629798655 4.5755e-06 deg
node 185.9308462932931 0.00026977 deg
peri 232.5616496233369 0.0002703 deg
M 65.27490979702051 1.6616e-05 deg
tp 2458322.714008030082
(2018-Jul-23.21400803)
6.9964e-05 TDB
period 1532.027503678528
4.19
9.6946e-06
2.654e-08
d
yr
n .2349827265735175 1.487e-09 deg/d
Q 3.087864124826809 1.3027e-08 au
  Orbit Determination Parameters
   # obs. used (total)      925  
   data-arc span      7794 days (21.34 yr)  
   first obs. used      1997-12-29  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5282  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:08:37  

Additional Information
 Earth MOID = 1.12591 au 
 Jupiter MOID = 2.25318 au 
 T_jup = 3.389 
[ 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 15.4   n/a MPO431949  

39847 (1998 BU42)          Discovered 1998-Jan-20 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

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