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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1281148128403408 1.5201e-07  
a 2.11072769786269 1.7334e-08 au
q 1.840312213894088 3.3355e-07 au
i 1.906326262913187 7.6338e-06 deg
node 305.7177528756828 0.00015783 deg
peri 24.265143311907 0.00015856 deg
M 320.1181273644073 1.4846e-05 deg
tp 2459124.585142015803
(2020-Oct-02.08514202)
4.6884e-05 TDB
period 1120.074063067503
3.07
1.3798e-05
3.778e-08
d
yr
n .3214073174894185 3.9593e-09 deg/d
Q 2.381143181831292 1.9555e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   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      .61352  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:40:45  

Additional Information
 Earth MOID = .829386 au 
 Jupiter MOID = 2.91433 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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