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315898 (2008 QD4)
Classification: Centaur          SPK-ID: 2315898
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3514855979947873 1.0112e-06  
a 8.408678453296259 1.4087e-05 au
q 5.45314907879354 1.1459e-06 au
i 42.02834965676684 1.5799e-05 deg
node 344.7016167617303 1.5403e-05 deg
peri 68.92303407397836 8.5944e-05 deg
M 79.66561602752319 0.00023947 deg
tp 2455429.627802877812
(2010-Aug-21.12780288)
0.0011148 JED
period 8906.1508131546
24.38
0.022381
6.128e-05
d
yr
n .04042150279650231 1.0158e-07 deg/d
Q 11.36420782779898 1.9039e-05 au
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      2419 days (6.62 yr)  
   first obs. used      2008-08-25  
   last obs. used      2015-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      1  
   fit RMS      .48281  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-05 03:29:28  

Additional Information
 Earth MOID = 4.6941 au 
 Jupiter MOID = 1.46448 au 
 T_jup = 2.387 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.3 mag n/a MPO338977  

315898 (2008 QD4)          Discovered 2008-Aug-25 by La Sagra at La Sagra
Reference: 20120207/Numbers.arcLast Updated: 2012-02-09
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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