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JPL Small-Body Database Browser
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357324 (2003 HQ44)
Classification: Main-belt Asteroid          SPK-ID: 2357324
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2746448423742878 4.8543e-08  
a 3.010614273315968 2.4147e-08 au
q 2.183764590771323 1.4842e-07 au
i 9.302641692944691 7.0264e-06 deg
node 171.4294923403881 2.846e-05 deg
peri 112.0782946721892 3.3028e-05 deg
M 354.1829653516706 1.1738e-05 deg
tp 2458631.330477504131
(2019-May-27.83047750)
6.2169e-05 TDB
period 1908.011997947197
5.22
2.2955e-05
6.285e-08
d
yr
n .1886780588315581 2.27e-09 deg/d
Q 3.837463955860613 3.0779e-08 au
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      6400 days (17.52 yr)  
   first obs. used      2002-02-13  
   last obs. used      2019-08-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55529  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:42:41  

Additional Information
 Earth MOID = 1.18764 au 
 Jupiter MOID = 1.50431 au 
 T_jup = 3.172 
[ 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 16.2   n/a MPO440600  

357324 (2003 HQ44)          Discovered 2003-Apr-28 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2003 HQ44 = 2008 GO60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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