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118621 (2000 HK16)
Classification: Main-belt Asteroid          SPK-ID: 2118621
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1511924449245142 4.0066e-08  
a 2.451712893498071 1.1762e-08 au
q 2.081032426877143 9.6997e-08 au
i 2.242946999505881 4.9909e-06 deg
node 196.6317039972787 0.00013101 deg
peri 47.11413799303445 0.00013256 deg
M 45.55845612646755 2.2955e-05 deg
tp 2458823.052722307906
(2019-Dec-05.55272231)
8.8914e-05 TDB
period 1402.177013896696
3.84
1.0091e-05
2.763e-08
d
yr
n .2567436182679591 1.8476e-09 deg/d
Q 2.822393360118999 1.3541e-08 au
  Orbit Determination Parameters
   # obs. used (total)      432  
   data-arc span      7444 days (20.38 yr)  
   first obs. used      2000-03-11  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55763  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:03:47  

Additional Information
 Earth MOID = 1.0688 au 
 Jupiter MOID = 2.19214 au 
 T_jup = 3.478 
[ 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 16.6   n/a MPO432689  

118621 (2000 HK16)          Discovered 2000-Apr-24 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 2000 HK16 = 2001 RT13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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