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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1296646917800032 3.1925e-08  
a 2.242399713298135 6.8477e-09 au
q 1.951639645625764 7.0919e-08 au
i 6.36225420199317 3.5677e-06 deg
node 84.08797217652059 3.5232e-05 deg
peri 346.2899170456097 3.8632e-05 deg
M 58.41868153263093 1.5471e-05 deg
tp 2458401.470605862814
(2018-Oct-09.97060586)
5.2557e-05 TDB
period 1226.50118095125
3.36
5.6181e-06
1.538e-08
d
yr
n .2935178584343401 1.3445e-09 deg/d
Q 2.533159780970505 7.7356e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1531  
   data-arc span      10597 days (29.01 yr)  
   first obs. used      1990-04-29  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50184  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:12:41  

Additional Information
 Earth MOID = .966654 au 
 Jupiter MOID = 2.71478 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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