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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04078430144173602 0.00027197  
a 42.74141532826734 0.028689 au
q 40.99823656147285 0.019288 au
i 2.578506163086389 0.00051634 deg
node 35.65608442347937 0.0027544 deg
peri 245.6456591675948 0.64871 deg
M 302.0386764563254 0.64323 deg
tp 2475433.148622543398
(2065-May-27.64862254)
165.88 TDB
period 102063.8098379176
279.44
102.76
0.2813
d
yr
n .003527205192239031 3.5513e-06 deg/d
Q 44.48459409506183 0.029859 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 = 39.9826 au 
 Jupiter MOID = 35.7747 au 
 T_jup = 5.843 
[ 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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