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JPL Small-Body Database Browser
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488644 (2003 HY56)
Classification: TransNeptunian Object          SPK-ID: 2488644
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04126220487816303 0.00029563  
a 42.85500226020791 0.028864 au
q 41.08671037689307 0.018129 au
i 2.574674979789076 0.00051556 deg
node 35.65178015339225 0.0027585 deg
peri 241.7567602455372 0.62218 deg
M 304.4095020680027 0.61763 deg
tp 2474423.862361240488
(2062-Aug-22.36236124)
159.92 TDB
period 102470.937695411
280.55
103.53
0.2834
d
yr
n .003513191233499584 3.5493e-06 deg/d
Q 44.62329414352275 0.030055 au
  Orbit Determination Parameters
   # obs. used (total)      80  
   data-arc span      5113 days (14.00 yr)  
   first obs. used      2003-04-26  
   last obs. used      2017-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .11026  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-May-15 18:57:28  

Additional Information
 Earth MOID = 40.0706 au 
 Jupiter MOID = 35.8466 au 
 T_jup = 5.850 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.9   n/a MPO403230  

488644 (2003 HY56)          Discovered 2003-Apr-26 by Mauna Kea at Mauna Kea
Reference: Last Updated: 2017-05-15
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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