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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1141443459140024 5.2701e-08  
a 2.692091643426939 1.3769e-08 au
q 2.38480460364742 1.4409e-07 au
i 8.902797702900072 5.6696e-06 deg
node 2.293330325673877 2.7097e-05 deg
peri 351.5128854620784 3.3458e-05 deg
M 118.7997107125063 1.8604e-05 deg
tp 2458468.090165396999
(2018-Dec-15.59016540)
8.3085e-05 TDB
period 1613.367063838339
4.42
1.2377e-05
3.389e-08
d
yr
n .2231358306915781 1.7119e-09 deg/d
Q 2.999378683206459 1.534e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1343  
   data-arc span      7622 days (20.87 yr)  
   first obs. used      1999-03-22  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52335  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:42:22  

Additional Information
 Earth MOID = 1.38046 au 
 Jupiter MOID = 2.43384 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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