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56545 (2000 HK65)
Classification: Main-belt Asteroid          SPK-ID: 2056545
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1983581419729908 3.4617e-08  
a 2.389936479124943 7.0426e-09 au
q 1.915873119692248 8.345e-08 au
i 2.940326509480608 4.0878e-06 deg
node 26.57858098287205 6.2582e-05 deg
peri 11.5835298555713 6.3243e-05 deg
M 318.1583057281529 7.9558e-06 deg
tp 2459157.350073043014
(2020-Nov-03.85007304)
2.9809e-05 TDB
period 1349.515770767385
3.69
5.9651e-06
1.633e-08
d
yr
n .2667623512063815 1.1791e-09 deg/d
Q 2.863999838557639 8.4396e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1123  
   data-arc span      10521 days (28.80 yr)  
   first obs. used      1992-01-27  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48238  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:38:30  

Additional Information
 Earth MOID = .923458 au 
 Jupiter MOID = 2.55909 au 
 T_jup = 3.504 
[ 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 15.5   n/a MPO436178  
diameter diameter 2.309 km 0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.229   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56545 (2000 HK65)          Discovered 2000-Apr-26 by Spacewatch at Kitt Peak
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 HK65 = 1998 XZ68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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