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JPL Small-Body Database Browser
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268715 (2006 HT56)
Classification: Main-belt Asteroid          SPK-ID: 2268715
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1485425708239294 4.9601e-08  
a 3.187408469083674 3.8205e-08 au
q 2.71394262082002 1.5079e-07 au
i 15.10033638295343 5.961e-06 deg
node 52.19728348816241 2.184e-05 deg
peri 248.9336274425225 3.101e-05 deg
M 36.58184555696646 2.334e-05 deg
tp 2458389.288227424487
(2018-Sep-27.78822742)
0.00013433 TDB
period 2078.523840706139
5.69
3.7371e-05
1.023e-07
d
yr
n .17319984161341 3.114e-09 deg/d
Q 3.660874317347328 4.388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      341  
   data-arc span      6237 days (17.08 yr)  
   first obs. used      2002-10-31  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63938  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 17:27:46  

Additional Information
 Earth MOID = 1.7427 au 
 Jupiter MOID = 1.6651 au 
 T_jup = 3.127 
[ 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 15.0   n/a MPO411105  
diameter diameter 5.078 km 1.391 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

268715 (2006 HT56)          Discovered 2006-Apr-19 by CSS at Catalina
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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