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JPL Small-Body Database Browser
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442336 (2011 SN177)
Classification: Main-belt Asteroid          SPK-ID: 2442336
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1917259747978841 1.3901e-07  
a 2.63162385744527 6.8893e-08 au
q 2.127073208075207 3.9613e-07 au
i 5.052995688253666 1.3785e-05 deg
node 154.5302240425755 8.6011e-05 deg
peri 195.2147908048194 8.8819e-05 deg
M 299.9786157938038 2.596e-05 deg
tp 2458860.478632688342
(2020-Jan-11.97863269)
0.00011962 TDB
period 1559.316050530893
4.27
6.1232e-05
1.676e-07
d
yr
n .2308704511041444 9.0659e-09 deg/d
Q 3.136174506815332 8.2102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      3768 days (10.32 yr)  
   first obs. used      2007-12-19  
   last obs. used      2018-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63401  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:47:52  

Additional Information
 Earth MOID = 1.12036 au 
 Jupiter MOID = 2.28805 au 
 T_jup = 3.368 
[ 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 17.5   n/a MPO440831  

442336 (2011 SN177)          Discovered 2011-Sep-28 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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