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100430 (1996 HK18)
Classification: Main-belt Asteroid          SPK-ID: 2100430
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1495776915338122 8.6367e-08  
a 2.57670836864965 1.8957e-08 au
q 2.19129027911118 2.2598e-07 au
i 14.42210632448905 5.7949e-06 deg
node 51.12076641127262 1.6671e-05 deg
peri 320.7841613004625 2.2715e-05 deg
M 155.0734358828856 1.4883e-05 deg
tp 2458349.724435609957
(2018-Aug-19.22443561)
6.2378e-05 TDB
period 1510.762961087337
4.14
1.6672e-05
4.565e-08
d
yr
n .2382901946053127 2.6297e-09 deg/d
Q 2.96212645818812 2.1793e-08 au
  Orbit Determination Parameters
   # obs. used (total)      715  
   data-arc span      8766 days (24.00 yr)  
   first obs. used      1996-04-18  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49682  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:52:53  

Additional Information
 Earth MOID = 1.2123 au 
 Jupiter MOID = 2.52671 au 
 T_jup = 3.367 
[ 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 15.1   n/a MPO459471  

100430 (1996 HK18)          Discovered 1996-Apr-18 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1996 HK18 = 2003 AB72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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