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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2140153898005137 4.6025e-08  
a 2.778690507616482 1.6889e-08 au
q 2.184007975493953 1.3006e-07 au
i 9.515332420267745 4.5061e-06 deg
node 308.64260645 2.9602e-05 deg
peri 26.84416070670622 3.1328e-05 deg
M 244.5068003247206 1.2856e-05 deg
tp 2459543.265963730150
(2021-Nov-24.76596373)
6.322e-05 TDB
period 1691.837679553675
4.63
1.5425e-05
4.223e-08
d
yr
n .2127863709093959 1.94e-09 deg/d
Q 3.373373039739011 2.0504e-08 au
  Orbit Determination Parameters
   # obs. used (total)      705  
   data-arc span      7947 days (21.76 yr)  
   first obs. used      1998-07-26  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51477  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:39:00  

Additional Information
 Earth MOID = 1.17834 au 
 Jupiter MOID = 2.01918 au 
 T_jup = 3.281 
[ 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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