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JPL Small-Body Database Browser
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85982 (1999 HQ6)
Classification: Main-belt Asteroid          SPK-ID: 2085982
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1138965012259709 5.6093e-08  
a 2.691688658469369 1.4395e-08 au
q 2.385114737880081 1.5441e-07 au
i 8.903186049119139 6.0335e-06 deg
node 2.307574690483854 2.7148e-05 deg
peri 351.4551488181862 3.3615e-05 deg
M 29.60558726593849 1.8609e-05 deg
tp 2458467.850125538173
(2018-Dec-15.35012554)
8.3341e-05 TDB
period 1613.004814844502
4.42
1.294e-05
3.543e-08
d
yr
n .2231859425879675 1.7904e-09 deg/d
Q 2.998262579058657 1.6035e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1265  
   data-arc span      7526 days (20.61 yr)  
   first obs. used      1999-03-22  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53496  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:16:27  

Additional Information
 Earth MOID = 1.37986 au 
 Jupiter MOID = 2.43126 au 
 T_jup = 3.345 
[ 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 14.4   n/a MPO366219  

85982 (1999 HQ6)          Discovered 1999-Apr-19 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 HQ6 = 2001 SK110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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