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117119 (2004 PE21)
Classification: Main-belt Asteroid          SPK-ID: 2117119
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .111187787370343 4.5243e-08  
a 2.769555457194221 1.8026e-08 au
q 2.461614713909337 1.2387e-07 au
i .7765288946281328 4.8992e-06 deg
node 331.7561756537447 0.00030324 deg
peri 358.8040717478215 0.00030382 deg
M 159.6449510253724 2.0442e-05 deg
tp 2458253.937428861192
(2018-May-15.43742886)
9.3916e-05 TDB
period 1683.501569474982
4.61
1.6436e-05
4.5e-08
d
yr
n .2138400144837821 2.0878e-09 deg/d
Q 3.077496200479105 2.0031e-08 au
  Orbit Determination Parameters
   # obs. used (total)      514  
   data-arc span      8857 days (24.25 yr)  
   first obs. used      1995-10-25  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58342  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:43:13  

Additional Information
 Earth MOID = 1.4507 au 
 Jupiter MOID = 2.23559 au 
 T_jup = 3.329 
[ 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 15.8   n/a MPO453641  

117119 (2004 PE21)          Discovered 2004-Aug-07 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2004 PE21 = 1995 UG81 = 2002 CW266 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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