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72865 (2001 HK58)
Classification: Main-belt Asteroid          SPK-ID: 2072865
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01173859117420236 4.1921e-08  
a 3.131042605194287 1.9842e-08 au
q 3.094288576102901 1.3888e-07 au
i 14.26051147190982 4.8079e-06 deg
node 80.30327408521084 1.7852e-05 deg
peri 78.44128869874395 0.00022124 deg
M 267.1401868281278 0.00022079 deg
tp 2459722.484007754653
(2022-May-22.98400775)
0.0012416 TDB
period 2023.633651339233
5.54
1.9236e-05
5.267e-08
d
yr
n .1778978125619493 1.6911e-09 deg/d
Q 3.167796634285672 2.0075e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1368  
   data-arc span      8095 days (22.16 yr)  
   first obs. used      1998-12-15  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51095  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:04:29  

Additional Information
 Earth MOID = 2.11664 au 
 Jupiter MOID = 1.90689 au 
 T_jup = 3.165 
[ 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 13.64   n/a MPCxxxxx  
diameter diameter 8.793 km 0.220 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.109   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72865 (2001 HK58)          Discovered 2001-Apr-25 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HK58 = 1998 XW78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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