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JPL Small-Body Database Browser
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441539 (2008 SP309)
Classification: Main-belt Asteroid          SPK-ID: 2441539
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1836198123446655 9.5368e-08  
a 2.44786871973846 1.821e-08 au
q 1.998391524775707 2.4071e-07 au
i 2.319806945573235 6.3057e-06 deg
node 48.00804327040307 0.00029969 deg
peri 355.9501078046461 0.00030248 deg
M 268.4464439244514 4.0136e-05 deg
tp 2458956.256896442820
(2020-Apr-16.75689644)
0.0001579 TDB
period 1398.880482738777
3.83
1.561e-05
4.274e-08
d
yr
n .2573486473234507 2.8717e-09 deg/d
Q 2.897345914701213 2.1554e-08 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      9346 days (25.59 yr)  
   first obs. used      1994-01-21  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49072  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:11  

Additional Information
 Earth MOID = 1.00687 au 
 Jupiter MOID = 2.49888 au 
 T_jup = 3.473 
[ 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 17.9   n/a MPO397572  

441539 (2008 SP309)          Discovered 2008-Sep-22 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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