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379152 (2009 PE21)
Classification: Main-belt Asteroid          SPK-ID: 2379152
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 .1921618394018335 1.11e-07  
a 2.423004692209195 5.2517e-08 au
q 1.957395653675002 2.4083e-07 au
i 3.922751616486619 1.4432e-05 deg
node 249.4447071500484 0.00012092 deg
peri 89.34615172625148 0.0001314 deg
M 302.801771473027 6.2361e-05 deg
tp 2459219.381918884767
(2021-Jan-04.88191888)
0.00024449 TDB
period 1377.621175127084
3.77
4.4788e-05
1.226e-07
d
yr
n .2613200250546312 8.4959e-09 deg/d
Q 2.888613730743387 6.2608e-08 au
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      3043 days (8.33 yr)  
   first obs. used      2009-08-15  
   last obs. used      2017-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51832  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:06:29  

Additional Information
 Earth MOID = .953292 au 
 Jupiter MOID = 2.51583 au 
 T_jup = 3.484 
[ 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 17.5   n/a MPO434345  

379152 (2009 PE21)          Discovered 2009-Aug-15 by CSS at Catalina
Reference: Last Updated: 2013-11-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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