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58165 (1990 HQ5)
Classification: Main-belt Asteroid          SPK-ID: 2058165
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1293424072597213 3.1712e-08  
a 2.242689545134148 6.227e-09 au
q 1.952614680630288 7.0595e-08 au
i 6.361925545712527 3.4865e-06 deg
node 84.08905705814979 2.9164e-05 deg
peri 346.2569519724915 3.1868e-05 deg
M 175.8803267923401 1.3946e-05 deg
tp 2458401.168743538501
(2018-Oct-09.66874354)
4.6494e-05 TDB
period 1226.738977923803
3.36
5.1092e-06
1.399e-08
d
yr
n .293460961523602 1.2222e-09 deg/d
Q 2.532764409638008 7.0325e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1766  
   data-arc span      11061 days (30.28 yr)  
   first obs. used      1990-04-29  
   last obs. used      2020-08-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48905  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:52:05  

Additional Information
 Earth MOID = .967843 au 
 Jupiter MOID = 2.71423 au 
 T_jup = 3.614 
[ 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 14.5   n/a MPO417226  
diameter diameter 3.322 km 0.933 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.192   0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58165 (1990 HQ5)          Discovered 1990-Apr-29 by Zytkow, A., Irwin, M. J. at Siding Spring
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 HQ5 = 1999 CQ24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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