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108143 (2001 HK1)
Classification: Main-belt Asteroid          SPK-ID: 2108143
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1135858343395681 4.78e-08  
a 2.755906355183775 2.1111e-08 au
q 2.442874432468508 1.3819e-07 au
i 12.75615796307514 5.3279e-06 deg
node 209.1814356860671 2.0188e-05 deg
peri 336.2308191205927 2.9907e-05 deg
M 86.00905223053807 2.0539e-05 deg
tp 2458601.257494340375
(2019-Apr-27.75749434)
9.5684e-05 TDB
period 1671.071803607594
4.58
1.9201e-05
5.257e-08
d
yr
n .2154305992254874 2.4754e-09 deg/d
Q 3.068938277899043 2.3509e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      6614 days (18.11 yr)  
   first obs. used      2001-04-13  
   last obs. used      2019-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53704  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:03:23  

Additional Information
 Earth MOID = 1.44806 au 
 Jupiter MOID = 1.91319 au 
 T_jup = 3.298 
[ 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 15.2   n/a MPO474951  
diameter diameter 2.528 km 0.378 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.252   0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108143 (2001 HK1)          Discovered 2001-Apr-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 HK1 = 2002 PL2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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