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JPL Small-Body Database Browser
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100961 (1998 QL13)
Classification: Main-belt Asteroid          SPK-ID: 2100961
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2270729082839988 5.7325e-08  
a 2.744099570163534 1.97e-08 au
q 2.12098890014563 1.5688e-07 au
i 8.910233310138713 6.1442e-06 deg
node 331.5447182453071 3.8416e-05 deg
peri 42.37363369374234 4.1259e-05 deg
M 249.8804595844258 1.6021e-05 deg
tp 2459508.378835295016
(2021-Oct-20.87883529)
7.7763e-05 TDB
period 1660.344567514624
4.55
1.788e-05
4.895e-08
d
yr
n .2168224638689819 2.3349e-09 deg/d
Q 3.367210240181439 2.4173e-08 au
  Orbit Determination Parameters
   # obs. used (total)      355  
   data-arc span      7831 days (21.44 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59774  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:14:09  

Additional Information
 Earth MOID = 1.1304 au 
 Jupiter MOID = 2.15491 au 
 T_jup = 3.294 
[ 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 15.4   n/a MPO432537  

100961 (1998 QL13)          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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