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JPL Small-Body Database Browser
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212242 (2005 JL49)
Classification: Main-belt Asteroid          SPK-ID: 2212242
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05387831419827621 8.6117e-08  
a 2.568618644973753 2.4432e-08 au
q 2.430225802564307 2.282e-07 au
i 3.404089103514692 7.3248e-06 deg
node 127.2151964607237 0.0001085 deg
peri 209.0240789099232 0.0001187 deg
M 37.66903553856847 4.883e-05 deg
tp 2458443.163359420475
(2018-Nov-20.66335942)
0.00020336 TDB
period 1503.65385783863
4.12
2.1454e-05
5.874e-08
d
yr
n .2394168033575681 3.416e-09 deg/d
Q 2.7070114873832 2.5749e-08 au
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      6760 days (18.51 yr)  
   first obs. used      2000-02-04  
   last obs. used      2018-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65829  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:25:48  

Additional Information
 Earth MOID = 1.41978 au 
 Jupiter MOID = 2.48111 au 
 T_jup = 3.426 
[ 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 16.9   n/a MPO454524  

212242 (2005 JL49)          Discovered 2005-May-04 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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