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JPL Small-Body Database Browser
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312446 (2008 JL8)
Classification: Main-belt Asteroid          SPK-ID: 2312446
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2482431800330037 5.6422e-08  
a 2.729407774108997 3.1832e-08 au
q 2.051850908657378 1.5801e-07 au
i 6.467715294284091 6.7532e-06 deg
node 243.0141698102256 4.872e-05 deg
peri 320.7957730473094 4.9981e-05 deg
M 161.3017097421688 1.0515e-05 deg
tp 2457862.531994938775
(2017-Apr-19.03199494)
4.6396e-05 TDB
period 1647.028306437026
4.51
2.8813e-05
7.889e-08
d
yr
n .2185754783891837 3.8237e-09 deg/d
Q 3.406964639560618 3.9734e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      6127 days (16.77 yr)  
   first obs. used      2003-01-26  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60688  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 21:32:31  

Additional Information
 Earth MOID = 1.05291 au 
 Jupiter MOID = 1.59878 au 
 T_jup = 3.301 
[ 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 16.4   n/a MPO455303  

312446 (2008 JL8)          Discovered 2008-May-06 by Teamo, N. at Tiki
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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