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469610 (2004 HF79)
Classification: TransNeptunian Object          SPK-ID: 2469610
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03202289010410787 7.2871e-05  
a 43.4288462397522 0.0048476 au
q 42.03812906926841 0.002237 au
i 1.486845738906512 0.00015874 deg
node 76.63668392278274 0.0020486 deg
peri 198.9887128595558 0.11111 deg
M 335.7545600503399 0.10644 deg
tp 2466436.836753475032
(2040-Oct-09.33675348)
29.946 TDB
period 104535.9967281824
286.20
17.503
0.04792
d
yr
n .003443789807027743 5.766e-07 deg/d
Q 44.81956341023599 0.0050029 au
  Orbit Determination Parameters
   # obs. used (total)      52  
   data-arc span      4430 days (12.13 yr)  
   first obs. used      2004-04-24  
   last obs. used      2016-06-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .46377  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 16:53:13  

Additional Information
 Earth MOID = 41.0216 au 
 Jupiter MOID = 36.7791 au 
 T_jup = 5.893 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.44   n/a MPO639379  

469610 (2004 HF79)          Discovered 2004-Apr-24 by Gladman, B. at Mauna Kea
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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