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91145 (1998 OX)
Classification: Main-belt Asteroid          SPK-ID: 2091145
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06821749470150536 5.6981e-08  
a 3.112511826578765 2.9611e-08 au
q 2.900184067540755 1.9155e-07 au
i 9.410451544701102 5.1064e-06 deg
node 281.0283549514758 3.0409e-05 deg
peri 113.5475057573589 5.2574e-05 deg
M 274.4389158492311 4.5415e-05 deg
tp 2459477.192940591921
(2021-Sep-19.69294059)
0.0002569 TDB
period 2005.695233018497
5.49
2.8622e-05
7.836e-08
d
yr
n .1794888844893017 2.5614e-09 deg/d
Q 3.324839585616775 3.1631e-08 au
  Orbit Determination Parameters
   # obs. used (total)      543  
   data-arc span      8046 days (22.03 yr)  
   first obs. used      1998-07-20  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59406  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:15:33  

Additional Information
 Earth MOID = 1.92417 au 
 Jupiter MOID = 2.01288 au 
 T_jup = 3.194 
[ 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 14.6   n/a MPO348071  

91145 (1998 OX)          Discovered 1998-Jul-20 by ODAS at Caussols
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1998 OX = 1999 TV190 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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