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JPL Small-Body Database Browser
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441521 (2008 SF181)
Classification: Main-belt Asteroid          SPK-ID: 2441521
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2227327724287672 8.4371e-08  
a 2.358357350477594 3.3381e-08 au
q 1.833073879427958 1.8508e-07 au
i 2.490157728156852 9.5012e-06 deg
node 180.0920274406746 0.00015887 deg
peri 126.1292160848264 0.00016169 deg
M 22.66855879910897 2.3819e-05 deg
tp 2458517.202061315534
(2019-Feb-02.70206132)
8.6879e-05 TDB
period 1322.856834091558
3.62
2.8087e-05
7.69e-08
d
yr
n .2721382924609691 5.778e-09 deg/d
Q 2.88364082152723 4.0817e-08 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      4596 days (12.58 yr)  
   first obs. used      2007-03-26  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60722  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:57:17  

Additional Information
 Earth MOID = .818743 au 
 Jupiter MOID = 2.37531 au 
 T_jup = 3.518 
[ 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 18.6   n/a MPO349180  

441521 (2008 SF181)          Discovered 2008-Sep-24 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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