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JPL Small-Body Database Browser
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441501 (2008 SY99)
Classification: Main-belt Asteroid          SPK-ID: 2441501
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 .2071896279239972 8.3922e-08  
a 2.393853633842051 1.7401e-08 au
q 1.897871990141808 2.0445e-07 au
i 3.249128745664112 8.6328e-06 deg
node 131.0599083824905 0.00011442 deg
peri 243.0186259367065 0.00011913 deg
M 310.5159968960189 2.3216e-05 deg
tp 2458786.454692084973
(2019-Oct-29.95469208)
8.6452e-05 TDB
period 1352.834955771885
3.70
1.4751e-05
4.039e-08
d
yr
n .2661078489020823 2.9016e-09 deg/d
Q 2.889835277542294 2.1007e-08 au
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      5524 days (15.12 yr)  
   first obs. used      2004-08-21  
   last obs. used      2019-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6994  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:57:17  

Additional Information
 Earth MOID = .900345 au 
 Jupiter MOID = 2.57226 au 
 T_jup = 3.499 
[ 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 MPO402740  

441501 (2008 SY99)          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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