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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .274231819801235 4.8574e-08  
a 3.009199812603442 2.3863e-08 au
q 2.183981471847665 1.4829e-07 au
i 9.303630636522874 7.0272e-06 deg
node 171.4185555807764 2.8409e-05 deg
peri 112.0789312983727 3.2993e-05 deg
M 69.71437645668658 1.1688e-05 deg
tp 2458631.271842982801
(2019-May-27.77184298)
6.2258e-05 TDB
period 1906.66750937342
5.22
2.2679e-05
6.209e-08
d
yr
n .1888111053606328 2.2459e-09 deg/d
Q 3.83441815335922 3.0406e-08 au
  Orbit Determination Parameters
   # obs. used (total)      218  
   data-arc span      6505 days (17.81 yr)  
   first obs. used      2002-02-13  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55402  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 20:28:36  

Additional Information
 Earth MOID = 1.18847 au 
 Jupiter MOID = 1.50835 au 
 T_jup = 3.173 
[ 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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