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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2235994219365451 3.4283e-08  
a 2.397286762224537 9.5312e-09 au
q 1.861254827974998 8.2745e-08 au
i 11.06650785976403 4.7402e-06 deg
node 163.499285157576 2.4296e-05 deg
peri 138.5899607029752 2.7176e-05 deg
M 335.1440720663684 1.406e-05 deg
tp 2459094.106474347508
(2020-Sep-01.60647435)
5.3203e-05 TDB
period 1355.746237078003
3.71
8.0853e-06
2.214e-08
d
yr
n .2655364183609291 1.5836e-09 deg/d
Q 2.933318696474075 1.1662e-08 au
  Orbit Determination Parameters
   # obs. used (total)      700  
   data-arc span      7990 days (21.88 yr)  
   first obs. used      1998-08-03  
   last obs. used      2020-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55689  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:14:18  

Additional Information
 Earth MOID = .862209 au 
 Jupiter MOID = 2.39159 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 15.8   n/a MPO229561  

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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