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100968 (1998 QL20)
Classification: Main-belt Asteroid          SPK-ID: 2100968
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2366113194097768 3.8473e-08  
a 2.378933760620818 6.6247e-09 au
q 1.816051104731864 9.3018e-08 au
i 2.53803519775985 2.8074e-06 deg
node 239.7721100732163 9.7689e-05 deg
peri 104.1134469446169 9.8125e-05 deg
M 328.7218741953441 6.7062e-06 deg
tp 2459116.942138464419
(2020-Sep-24.44213846)
2.4861e-05 TDB
period 1340.207214108427
3.67
5.5982e-06
1.533e-08
d
yr
n .2686151784666298 1.122e-09 deg/d
Q 2.941816416509772 8.1922e-09 au
  Orbit Determination Parameters
   # obs. used (total)      773  
   data-arc span      8115 days (22.22 yr)  
   first obs. used      1998-08-04  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47711  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:13  

Additional Information
 Earth MOID = .810526 au 
 Jupiter MOID = 2.48289 au 
 T_jup = 3.500 
[ 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 MPO432537  

100968 (1998 QL20)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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