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72866 (2001 HQ58)
Classification: Main-belt Asteroid          SPK-ID: 2072866
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0468688508323974 4.0859e-08  
a 3.006076403842314 2.3039e-08 au
q 2.865185057279839 1.2861e-07 au
i 9.815083434566029 4.5147e-06 deg
node 259.4665865602269 2.3699e-05 deg
peri 314.3668423572785 5.687e-05 deg
M 271.8393357474735 5.351e-05 deg
tp 2459666.698424792748
(2022-Mar-28.19842479)
0.00028393 TDB
period 1903.699732169153
5.21
2.1885e-05
5.992e-08
d
yr
n .1891054528803244 2.174e-09 deg/d
Q 3.146967750404788 2.4119e-08 au
  Orbit Determination Parameters
   # obs. used (total)      731  
   data-arc span      7744 days (21.20 yr)  
   first obs. used      2000-01-05  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50206  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:16:19  

Additional Information
 Earth MOID = 1.86436 au 
 Jupiter MOID = 1.90094 au 
 T_jup = 3.227 
[ 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 14.73   n/a MPCxxxxx  
diameter diameter 5.372 km 0.398 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.117   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72866 (2001 HQ58)          Discovered 2001-Apr-25 by NEAT at Haleakala
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HQ58 = 2000 AE114 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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