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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1921618214777122 1.1622e-07  
a 2.42300467307814 5.4346e-08 au
q 1.957395681650436 2.5878e-07 au
i 3.92275763245816 1.6332e-05 deg
node 249.4445125024395 0.00017384 deg
peri 89.34631876915904 0.00018154 deg
M 302.8018016635654 6.2437e-05 deg
tp 2459219.381800761562
(2021-Jan-04.88180076)
0.00024469 TDB
period 1377.621158811383
3.77
4.6348e-05
1.269e-07
d
yr
n .2613200281495454 8.7918e-09 deg/d
Q 2.888613664505844 6.4789e-08 au
  Orbit Determination Parameters
   # obs. used (total)      90  
   data-arc span      3026 days (8.28 yr)  
   first obs. used      2009-08-15  
   last obs. used      2017-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5494  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Dec-07 18:36:48  

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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