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JPL Small-Body Database Browser
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295549 (2008 SL20)
Classification: Main-belt Asteroid          SPK-ID: 2295549
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1280563533569505 1.5218e-07  
a 2.11006276785599 1.7273e-08 au
q 1.839855824450078 3.3371e-07 au
i 1.906233454642226 7.6375e-06 deg
node 305.7236259212937 0.00015792 deg
peri 24.43542342235672 0.00015865 deg
M 191.3302046692716 1.4345e-05 deg
tp 2459125.037214521714
(2020-Oct-02.53721452)
4.7328e-05 TDB
period 1119.544829336821
3.07
1.3747e-05
3.764e-08
d
yr
n .3215592538739617 3.9484e-09 deg/d
Q 2.380269711261901 1.9485e-08 au
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      5945 days (16.28 yr)  
   first obs. used      2002-10-31  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59781  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:11:50  

Additional Information
 Earth MOID = .828068 au 
 Jupiter MOID = 2.91407 au 
 T_jup = 3.728 
[ 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 18.1   n/a MPO418563  

295549 (2008 SL20)          Discovered 2008-Sep-19 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 SL20 = 2007 FU40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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