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JPL Small-Body Database Browser
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441497 (2008 SA90)
Classification: Main-belt Asteroid          SPK-ID: 2441497
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2082360129958868 6.8227e-08  
a 2.344208098681654 1.8403e-08 au
q 1.856059550579518 1.6402e-07 au
i 7.258714051113063 5.8586e-06 deg
node 207.4750202771901 4.9034e-05 deg
peri 151.7227806843796 5.1279e-05 deg
M 348.9651872065987 1.5329e-05 deg
tp 2458640.684182617306
(2019-Jun-06.18418262)
5.6102e-05 TDB
period 1310.969747568417
3.59
1.5438e-05
4.227e-08
d
yr
n .2746058790965443 3.2337e-09 deg/d
Q 2.83235664678379 2.2235e-08 au
  Orbit Determination Parameters
   # obs. used (total)      223  
   data-arc span      8138 days (22.28 yr)  
   first obs. used      1997-07-13  
   last obs. used      2019-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55801  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:57:02  

Additional Information
 Earth MOID = .85602 au 
 Jupiter MOID = 2.63866 au 
 T_jup = 3.522 
[ 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 17.1   n/a MPO450444  

441497 (2008 SA90)          Discovered 2008-Sep-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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