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JPL Small-Body Database Browser
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442254 (2011 PL2)
Classification: Main-belt Asteroid          SPK-ID: 2442254
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08079892049100643 6.6867e-08  
a 2.63401033811458 3.6628e-08 au
q 2.421185146232771 1.7692e-07 au
i 10.28071543830522 1.2337e-05 deg
node 286.6713415174039 4.0365e-05 deg
peri 277.6492783592684 9.8344e-05 deg
M 46.8165092209723 8.8577e-05 deg
tp 2458397.441503075753
(2018-Oct-05.94150308)
0.00038535 TDB
period 1561.43762337543
4.27
3.257e-05
8.917e-08
d
yr
n .2305567603922415 4.8091e-09 deg/d
Q 2.846835529996389 3.9588e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      6295 days (17.23 yr)  
   first obs. used      2000-12-23  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54986  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:46:26  

Additional Information
 Earth MOID = 1.44281 au 
 Jupiter MOID = 2.24248 au 
 T_jup = 3.371 
[ 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 17.0   n/a MPO437720  

442254 (2011 PL2)          Discovered 2004-Dec-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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