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JPL Small-Body Database Browser
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442222 (2011 JA29)
Classification: Main-belt Asteroid          SPK-ID: 2442222
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1123878923291546 7.9684e-08  
a 2.331962744724525 2.1825e-08 au
q 2.069878366854826 1.8546e-07 au
i 6.359105459772218 5.5724e-06 deg
node 88.98196905736745 6.2205e-05 deg
peri 159.2504886788071 7.0805e-05 deg
M 76.63772754455411 3.4038e-05 deg
tp 2458323.601274670907
(2018-Jul-24.10127467)
0.00012127 TDB
period 1300.711076806411
3.56
1.826e-05
4.999e-08
d
yr
n .276771687747824 3.8855e-09 deg/d
Q 2.594047122594225 2.4278e-08 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      5106 days (13.98 yr)  
   first obs. used      2005-10-31  
   last obs. used      2019-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64478  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:59:49  

Additional Information
 Earth MOID = 1.05685 au 
 Jupiter MOID = 2.43007 au 
 T_jup = 3.554 
[ 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 17.7   n/a MPO437720  

442222 (2011 JA29)          Discovered 2011-Apr-05 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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