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118202 (1995 HQ3)
Classification: Main-belt Asteroid          SPK-ID: 2118202
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07008856909244662 5.3858e-08  
a 2.579884592902211 1.5797e-08 au
q 2.399064173362046 1.3856e-07 au
i 3.284309627026709 6.2173e-06 deg
node 138.9376931858664 8.7718e-05 deg
peri 340.121021182445 9.746e-05 deg
M 109.9031168168686 4.115e-05 deg
tp 2458538.431510008721
(2019-Feb-23.93151001)		 0.00017217 TDB
period 1513.557223987017
4.14		 1.3902e-05
3.806e-08		 d
yr
n .2378502737092998 2.1846e-09 deg/d
Q 2.760705012442376 1.6905e-08 au
   Orbit Determination Parameters
   # obs. used (total)      448  
   data-arc span      9133 days (25.00 yr)  
   first obs. used      1995-04-26  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5921  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:18:18  

Additional Information
 Earth MOID = 1.41535 au 
 Jupiter MOID = 2.27964 au 
 T_jup = 3.419 
[ 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 16.3   n/a MPO432685  

118202 (1995 HQ3)          Discovered 1995-Apr-26 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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Alternate Designations
 1995 HQ3 = 2001 UC121 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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