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JPL Small-Body Database Browser
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392500 (2011 OS27)
Classification: Main-belt Asteroid          SPK-ID: 2392500
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1850197059615054 4.5295e-08  
a 2.430060118988747 2.3742e-08 au
q 1.980451110304668 1.0389e-07 au
i 5.982872262727545 8.8654e-06 deg
node 343.2249880636102 3.8311e-05 deg
peri 278.6189623955544 5.1166e-05 deg
M 147.1393054712782 3.6613e-05 deg
tp 2458434.977153115672
(2018-Nov-12.47715312)
0.00013436 TDB
period 1383.642693067481
3.79
2.0278e-05
5.552e-08
d
yr
n .2601827782589552 3.8131e-09 deg/d
Q 2.879669127672827 2.8135e-08 au
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      7537 days (20.64 yr)  
   first obs. used      1999-03-14  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49006  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 00:34:22  

Additional Information
 Earth MOID = .975875 au 
 Jupiter MOID = 2.23532 au 
 T_jup = 3.477 
[ 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 17.0   n/a MPO437607  

392500 (2011 OS27)          Discovered 2008-Sep-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

Alternate Designations
 2011 OS27 = 2014 DH18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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