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357727 (2005 QB138)
Classification: Main-belt Asteroid          SPK-ID: 2357727
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06016101814278943 5.7055e-08  
a 3.020692674267199 3.8809e-08 au
q 2.838964727486819 1.8308e-07 au
i 9.062821593279585 6.4618e-06 deg
node 159.910706034381 3.2198e-05 deg
peri 152.8201448651839 5.8247e-05 deg
M 329.9434659174525 4.9296e-05 deg
tp 2459160.601219073984
(2020-Nov-07.10121907)
0.00026381 TDB
period 1917.600968506249
5.25
3.6955e-05
1.012e-07
d
yr
n .1877345735178829 3.6179e-09 deg/d
Q 3.202420621047579 4.1143e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      5001 days (13.69 yr)  
   first obs. used      2005-08-28  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61965  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:32:20  

Additional Information
 Earth MOID = 1.82897 au 
 Jupiter MOID = 2.02868 au 
 T_jup = 3.225 
[ 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 16.2   n/a MPO434257  

357727 (2005 QB138)          Discovered 2005-Aug-28 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2005 QB138 = 2008 CG4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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