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JPL Small-Body Database Browser
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20108 (1995 QZ9)
Classification: TransNeptunian Object          SPK-ID: 2020108
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1467968229549341 0.00017582  
a 39.31187691199446 0.01235 au
q 33.54101827691824 0.0047716 au
i 19.57098219647027 0.00046048 deg
node 188.0343957544754 0.00023164 deg
peri 141.3498129485796 0.062074 deg
M 64.98859259557987 0.072614 deg
tp 2442348.054176712383
(1974-Oct-27.55417671)
10.84 TDB
period 90029.34611606719
246.49
42.423
0.1161
d
yr
n .003998696153317415 1.8842e-06 deg/d
Q 45.08273554707068 0.014162 au
  Orbit Determination Parameters
   # obs. used (total)      32  
   data-arc span      4864 days (13.32 yr)  
   first obs. used      1995-08-29  
   last obs. used      2008-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .44435  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-05 23:57:53  

Additional Information
 Earth MOID = 32.5524 au 
 Jupiter MOID = 28.6717 au 
 T_jup = 5.256 
[ 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 7.7   n/a MPO234941  

20108 (1995 QZ9)          Discovered 1995-Aug-29 by Jewitt, D. C., Chen, J. at Mauna Kea
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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