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

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456291.5 (2012-Dec-30.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02455137286458113 7.2551e-05  
q 42.06784302892998 0.0022385 au
tp 2466437.708122748805
(2040-Oct-10.20812275)
39.227 TDB
node 76.63602505978129 0.0020562 deg
peri 198.8463060509337 0.14452 deg
i 1.485551095921378 0.00015914 deg
  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
 Jupiter MOID = 36.7791 au 
 T_jup = 5.893 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.263719325475745E-9 8.02919350831799E-8 -.001399143234869603 -2.28681004928575E-10 -5.103103057011763E-6 5.079963652397815E-11
q 8.02919350831799E-8 5.010753063841152E-6 -.08774793191971995 2.737656997114862E-9 -.0003232533860456404 7.988837334768691E-10
tp -.001399143234869603 -.08774793191971995 1538.762353241716 -4.872772385270988E-5 5.668580904581599 -1.3860624372732E-5
node -2.28681004928575E-10 2.737656997114862E-9 -4.872772385270988E-5 4.227819289308287E-6 -4.409373206635428E-6 -3.171734241224233E-7
peri -5.103103057011763E-6 -.0003232533860456404 5.668580904581599 -4.409373206635428E-6 .02088713523313512 2.664886923532356E-7
i 5.079963652397815E-11 7.988837334768691E-10 -1.3860624372732E-5 -3.171734241224233E-7 2.664886923532356E-7 2.532582491938845E-8

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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