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JPL Small-Body Database Browser
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392601 (2011 SS227)
Classification: Main-belt Asteroid          SPK-ID: 2392601
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04874236332946785 1.122e-07  
a 2.968547837332239 6.2921e-08 au
q 2.823853800084085 3.5538e-07 au
i 8.570443520452832 1.2195e-05 deg
node 348.7699507228789 4.697e-05 deg
peri 333.3123822231296 0.00013691 deg
M 227.2278482493541 0.00013038 deg
tp 2459289.499644015351
(2021-Mar-15.99964402)
0.00067324 TDB
period 1868.161874120712
5.11
5.9396e-05
1.626e-07
d
yr
n .1927027871551233 6.1268e-09 deg/d
Q 3.113241874580393 6.5988e-08 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      4145 days (11.35 yr)  
   first obs. used      2007-12-19  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56935  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:23:11  

Additional Information
 Earth MOID = 1.81416 au 
 Jupiter MOID = 2.10473 au 
 T_jup = 3.245 
[ 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 16.0   n/a MPO434455  

392601 (2011 SS227)          Discovered 2011-Sep-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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