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245788 (2006 HD18)
Classification: Main-belt Asteroid          SPK-ID: 2245788
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1962746024379635 4.345e-08  
a 2.368398960255472 1.6596e-08 au
q 1.903542395916842 1.0492e-07 au
i 11.41358614818546 9.2137e-06 deg
node 58.01176092050442 3.1655e-05 deg
peri 55.41290603212303 4.1175e-05 deg
M 23.28847059414936 2.5717e-05 deg
tp 2458914.376992558121
(2020-Mar-05.87699256)
9.4695e-05 TDB
period 1331.31467580638
3.64
1.3993e-05
3.831e-08
d
yr
n .2704093979749357 2.8422e-09 deg/d
Q 2.8332555245941 1.9853e-08 au
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      6557 days (17.95 yr)  
   first obs. used      2002-01-20  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5984  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 03:01:20  

Additional Information
 Earth MOID = .944826 au 
 Jupiter MOID = 2.37195 au 
 T_jup = 3.494 
[ 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 16.9   n/a MPO503165  
diameter diameter 2.685 km 0.637 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245788 (2006 HD18)          Discovered 2006-Apr-19 by LONEOS at Anderson Mesa
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

Alternate Designations
 2006 HD18 = 2002 DF16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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