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JPL Small-Body Database Browser
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357728 (2005 QB139)
Classification: Main-belt Asteroid          SPK-ID: 2357728
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09199170749557008 5.9877e-08  
a 2.99518010999259 4.2313e-08 au
q 2.719648377417602 1.7346e-07 au
i 9.929278343127383 6.1353e-06 deg
node 163.7877475154445 3.804e-05 deg
peri 288.0931944701387 5.4012e-05 deg
M 142.2346238404426 4.3263e-05 deg
tp 2457852.441315417031
(2017-Apr-08.94131542)
0.00022257 TDB
period 1893.358446618233
5.18
4.0122e-05
1.098e-07
d
yr
n .1901383230645013 4.0292e-09 deg/d
Q 3.270711842567578 4.6206e-08 au
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      6844 days (18.74 yr)  
   first obs. used      2000-10-07  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56244  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:43:01  

Additional Information
 Earth MOID = 1.75675 au 
 Jupiter MOID = 1.9083 au 
 T_jup = 3.226 
[ 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 16.2   n/a MPO437510  

357728 (2005 QB139)          Discovered 2005-Aug-28 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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