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441496 (2008 SF89)
Classification: Main-belt Asteroid          SPK-ID: 2441496
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2163353814112204 6.958e-08  
a 2.318606650975823 1.8686e-08 au
q 1.817009996794376 1.6385e-07 au
i 1.806167458212363 6.9873e-06 deg
node 301.0953101112881 0.00022885 deg
peri 4.688692467926206 0.00023019 deg
M 138.6274152566895 2.2568e-05 deg
tp 2458503.924066312264
(2019-Jan-20.42406631)
7.6834e-05 TDB
period 1289.552544830836
3.53
1.5589e-05
4.268e-08
d
yr
n .2791666004173757 3.3748e-09 deg/d
Q 2.82020330515727 2.2729e-08 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      6677 days (18.28 yr)  
   first obs. used      2001-08-23  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60534  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:51:46  

Additional Information
 Earth MOID = .801989 au 
 Jupiter MOID = 2.43042 au 
 T_jup = 3.547 
[ 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 18.2   n/a MPO440827  

441496 (2008 SF89)          Discovered 2008-Sep-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2008 SF89 = 2001 SY297 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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