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JPL Small-Body Database Browser
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108189 (2001 HK16)
Classification: Main-belt Asteroid          SPK-ID: 2108189
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 .1850831529525465 6.9417e-08  
a 2.53630631334359 1.1502e-08 au
q 2.066878744016509 1.8026e-07 au
i 12.76094413301348 8.6005e-06 deg
node 201.4706623132471 1.5477e-05 deg
peri 51.61477815306353 2.8209e-05 deg
M 246.9168660080564 2.3408e-05 deg
tp 2459463.942988740622
(2021-Sep-06.44298874)
9.7913e-05 TDB
period 1475.370110970836
4.04
1.0036e-05
2.748e-08
d
yr
n .2440065698247809 1.6598e-09 deg/d
Q 3.005733882670671 1.363e-08 au
  Orbit Determination Parameters
   # obs. used (total)      798  
   data-arc span      8323 days (22.79 yr)  
   first obs. used      1997-04-14  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55564  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:04:02  

Additional Information
 Earth MOID = 1.07984 au 
 Jupiter MOID = 2.07466 au 
 T_jup = 3.390 
[ 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 MPO412766  

108189 (2001 HK16)          Discovered 2001-Apr-23 by Yeung, W. K. Y. at Desert Beaver
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 HK16 = 1997 GJ44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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