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134210 (2005 PQ21)
Classification: TransNeptunian Object          SPK-ID: 2134210
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4005017167081292 5.0035e-05  
a 62.73900228227477 0.005937 au
q 37.61192416366849 0.00042764 au
i 6.466607527858653 6.105e-05 deg
node 316.1934933686424 0.00037894 deg
peri 22.24870761335048 0.0016749 deg
M 9.63711764869668 0.0016508 deg
tp 2454341.470912351597
(2007-Aug-28.97091235)
0.31937 TDB
period 181511.789657356
496.95
25.765
0.07054
d
yr
n .001983342242834916 2.8153e-07 deg/d
Q 87.86608040088105 0.0083148 au
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      6613 days (18.11 yr)  
   first obs. used      2001-08-21  
   last obs. used      2019-09-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .75001  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:07:23  

Additional Information
 Earth MOID = 36.6022 au 
 Jupiter MOID = 32.6249 au 
 T_jup = 6.406 
[ 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 7.1   n/a MPO469407  

134210 (2005 PQ21)          Discovered 2005-Aug-09 by Cerro Tololo at Cerro Tololo
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 2005 PQ21 = 2001 QG331 = 2002 PM149 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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