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JPL Small-Body Database Browser
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444025 (2004 HJ79)
Classification: TransNeptunian Object          SPK-ID: 2444025
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04737704078551992 6.5297e-05  
a 44.25304541872308 0.0046667 au
q 42.15646708103677 0.0058334 au
i 3.311955936115024 0.00022333 deg
node 45.30711649941078 0.00073536 deg
peri 274.5399169261148 0.097291 deg
M 269.4858622152064 0.097899 deg
tp 2485635.544582306084
(2093-May-03.04458231)
25.14 TDB
period 107525.9212297913
294.39
17.009
0.04657
d
yr
n .003348029906487868 5.296e-07 deg/d
Q 46.34962375640938 0.0048878 au
  Orbit Determination Parameters
   # obs. used (total)      62  
   data-arc span      4391 days (12.02 yr)  
   first obs. used      2004-04-26  
   last obs. used      2016-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .33044  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:13:09  

Additional Information
 Earth MOID = 41.1445 au 
 Jupiter MOID = 37.099 au 
 T_jup = 5.934 
[ 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 6.9   n/a MPO346447  

444025 (2004 HJ79)          Discovered 2004-Apr-26 by Gladman, B. at Mauna Kea
Reference: Last Updated: 2015-10-05
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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