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JPL Small-Body Database Browser
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85645 (1998 OS11)
Classification: Main-belt Asteroid          SPK-ID: 2085645
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2136163466698044 5.0827e-08  
a 2.779537850206374 1.7587e-08 au
q 2.185783129214846 1.4181e-07 au
i 9.5141613022749 5.236e-06 deg
node 308.6370216407345 3.0358e-05 deg
peri 26.84441885929187 3.2296e-05 deg
M 159.4032236949411 1.2549e-05 deg
tp 2457851.034035852740
(2017-Apr-07.53403585)
5.6163e-05 TDB
period 1692.611609971954
4.63
1.6065e-05
4.398e-08
d
yr
n .2126890763829542 2.0186e-09 deg/d
Q 3.373292571197902 2.1344e-08 au
  Orbit Determination Parameters
   # obs. used (total)      653  
   data-arc span      7581 days (20.76 yr)  
   first obs. used      1998-07-26  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52861  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:42:47  

Additional Information
 Earth MOID = 1.17921 au 
 Jupiter MOID = 2.01593 au 
 T_jup = 3.280 
[ 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 14.7   n/a MPO436374  

85645 (1998 OS11)          Discovered 1998-Jul-26 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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