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108863 (2001 OR98)
Classification: Main-belt Asteroid          SPK-ID: 2108863
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2422521865343999 5.3319e-08  
a 2.661248265453702 1.4088e-08 au
q 2.016555054236663 1.4287e-07 au
i 2.852243540661918 3.9681e-06 deg
node 272.8120512671346 0.00011757 deg
peri 66.38973770419882 0.00011784 deg
M 170.5825993101583 1.0003e-05 deg
tp 2458449.121539724657
(2018-Nov-26.62153972)
4.096e-05 TDB
period 1585.720037055475
4.34
1.2592e-05
3.448e-08
d
yr
n .2270262036093612 1.8028e-09 deg/d
Q 3.30594147667074 1.7501e-08 au
  Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      14794 days (40.50 yr)  
   first obs. used      1979-07-24  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58205  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:15:06  

Additional Information
 Earth MOID = 1.00793 au 
 Jupiter MOID = 2.10864 au 
 T_jup = 3.341 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO453547  

108863 (2001 OR98)          Discovered 2001-Jul-26 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 OR98 = 1979 OU1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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