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100977 (1998 QJ26)
Classification: Main-belt Asteroid          SPK-ID: 2100977
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 .2235023517420887 3.421e-08  
a 2.396961797962891 8.785e-09 au
q 1.861235199082239 8.2693e-08 au
i 11.06870087377523 4.4782e-06 deg
node 163.4891955900146 2.3645e-05 deg
peri 138.5364900749114 2.5991e-05 deg
M 28.29704959030443 1.1842e-05 deg
tp 2459093.956060569298
(2020-Sep-01.45606057)
4.44e-05 TDB
period 1355.470579102174
3.71
7.4518e-06
2.04e-08
d
yr
n .2655904197038742 1.4601e-09 deg/d
Q 2.932688396843542 1.0748e-08 au
  Orbit Determination Parameters
   # obs. used (total)      787  
   data-arc span      8070 days (22.09 yr)  
   first obs. used      1998-08-03  
   last obs. used      2020-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53907  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:08  

Additional Information
 Earth MOID = .860292 au 
 Jupiter MOID = 2.39167 au 
 T_jup = 3.469 
[ 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 15.87   n/a E2021B55  

100977 (1998 QJ26)          Discovered 1998-Aug-25 by Antonini, P. at Bedoin
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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