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100945 (1998 OE8)
Classification: Main-belt Asteroid          SPK-ID: 2100945
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1199201712633406 4.5483e-08  
a 2.248566677806457 1.251e-08 au
q 1.978918176706866 1.026e-07 au
i 5.257268862051339 5.8798e-06 deg
node 313.8222632969989 5.4255e-05 deg
peri 330.4062057970983 6.1551e-05 deg
M 255.2919264733666 3.0939e-05 deg
tp 2459558.707562979708
(2021-Dec-10.20756298)
0.00010643 TDB
period 1231.564275126254
3.37
1.0278e-05
2.814e-08
d
yr
n .2923111747156635 2.4394e-09 deg/d
Q 2.518215178906048 1.401e-08 au
  Orbit Determination Parameters
   # obs. used (total)      592  
   data-arc span      8235 days (22.55 yr)  
   first obs. used      1998-07-26  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59956  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:29  

Additional Information
 Earth MOID = .962595 au 
 Jupiter MOID = 2.61886 au 
 T_jup = 3.614 
[ 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 16.1   n/a MPO400920  

100945 (1998 OE8)          Discovered 1998-Jul-26 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 OE8 = 2002 XD21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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