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JPL Small-Body Database Browser
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58960 (1998 QH99)
Classification: Main-belt Asteroid          SPK-ID: 2058960
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1908549154537771 4.6801e-08  
a 2.387920707905491 9.5774e-09 au
q 1.932174303087865 1.117e-07 au
i 3.201555433964192 4.7731e-06 deg
node 45.89581871441271 7.1022e-05 deg
peri 353.7345511679056 7.1803e-05 deg
M 179.0494996152455 1.217e-05 deg
tp 2457930.154203620883
(2017-Jun-25.65420362)		 4.3511e-05 TDB
period 1347.808774752555
3.69		 8.1086e-06
2.22e-08		 d
yr
n .2671002049723949 1.6069e-09 deg/d
Q 2.843667112723117 1.1405e-08 au
   Orbit Determination Parameters
   # obs. used (total)      782  
   data-arc span      15539 days (42.54 yr)  
   first obs. used      1976-10-22  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57173  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:14:10  

Additional Information
 Earth MOID = .939565 au 
 Jupiter MOID = 2.56875 au 
 T_jup = 3.507 
[ 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 15.8   n/a MPO436194  

58960 (1998 QH99)          Discovered 1998-Aug-26 by Elst, E. W. at La Silla
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QH99 = 1976 UC7 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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