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268707 (2006 HD28)
Classification: Main-belt Asteroid          SPK-ID: 2268707
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1836476982444517 4.5814e-08  
a 3.165940646279516 2.987e-08 au
q 2.584522933811731 1.379e-07 au
i 8.910998010400437 5.4362e-06 deg
node 162.0957995045158 3.9903e-05 deg
peri 168.9720591362647 4.3634e-05 deg
M 33.47423198802868 1.8527e-05 deg
tp 2458409.179855299917
(2018-Oct-17.67985530)
0.00010525 TDB
period 2057.560338252465
5.63
2.9119e-05
7.972e-08
d
yr
n .1749644923199465 2.4761e-09 deg/d
Q 3.747358358747301 3.5355e-08 au
  Orbit Determination Parameters
   # obs. used (total)      301  
   data-arc span      5382 days (14.74 yr)  
   first obs. used      2005-03-10  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53905  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 17:27:47  

Additional Information
 Earth MOID = 1.57385 au 
 Jupiter MOID = 1.64851 au 
 T_jup = 3.159 
[ 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 15.4   n/a MPO454997  
diameter diameter 5.982 km 2.834 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

268707 (2006 HD28)          Discovered 2006-Apr-20 by Spacewatch at Kitt Peak
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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