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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1284243267851037 3.16e-08  
a 2.243150005941368 6.3785e-09 au
q 1.955074976550346 7.0186e-08 au
i 6.357502764549247 3.4781e-06 deg
node 84.05796537363173 2.9069e-05 deg
peri 346.406728415138 3.1796e-05 deg
M 291.8513141650559 1.4149e-05 deg
tp 2459628.795548328874
(2022-Feb-18.29554833)
4.868e-05 TDB
period 1227.11680164952
3.36
5.2341e-06
1.433e-08
d
yr
n .2933706062178265 1.2513e-09 deg/d
Q 2.53122503533239 7.1977e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1789  
   data-arc span      11393 days (31.19 yr)  
   first obs. used      1990-04-29  
   last obs. used      2021-07-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4893  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:40:01  

Additional Information
 Earth MOID = .970084 au 
 Jupiter MOID = 2.71493 au 
 T_jup = 3.614 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.57   n/a MPCxxxxx  
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

Alternate Designations
 1990 HQ5 = 1999 CQ24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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