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(2007 HU45)
Classification: Centaur          SPK-ID: 3377171
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5010934386379584 0.0012632  
a 6.808285278556296 0.0083936 au
q 3.396698197096331 0.0050043 au
i 6.000298590603014 0.020312 deg
node 197.2813277013808 0.032232 deg
peri 44.75527178199969 0.13466 deg
M 268.6501032078188 0.51712 deg
tp 2460846.995715033415
(2025-Jun-20.49571503)
12.356 TDB
period 6488.660395101429
17.76
11.999
0.03285
d
yr
n .05548140572617725 0.0001026 deg/d
Q 10.21987236001626 0.0126 au
  Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      28 days  
   first obs. used      2007-04-18  
   last obs. used      2007-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .58542  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 00:37:51  

Additional Information
 Earth MOID = 2.38661 au 
 Jupiter MOID = .470556 au 
 T_jup = 2.733 
[ hide covariance matrix ]
Orbital Elements at Epoch 2454222.5 (2007-May-02.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5067339010815185 0.0012076  
q 3.459669441190894 0.0053333 au
tp 2454360.257650184815
(2007-Sep-16.75765018)
0.9435 TDB
node 199.124163496783 0.05138 deg
peri 45.54186261832537 0.14297 deg
i 5.860138189818716 0.018097 deg
  Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      28 days  
   first obs. used      2007-04-18  
   last obs. used      2007-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .58542  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 00:37:51  

Additional Information
 Jupiter MOID = .470556 au 
 T_jup = 2.733 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.458193953486658E-6 -6.1580028670479E-6 -.0002262841171513842 -5.441244405397724E-5 9.083667275328514E-5 -1.90740131082887E-5
q -6.1580028670479E-6 2.844423012117297E-5 .002392811217905832 .0002681328139111217 -.0001951796303064269 9.429155657057593E-5
tp -.0002262841171513842 .002392811217905832 .8901844390208025 .03113928088372433 .09827451991315021 .01109348994751463
node -5.441244405397724E-5 .0002681328139111217 .03113928088372433 .00263993299390358 -.0004162428890535622 .0009297238974342911
peri 9.083667275328514E-5 -.0001951796303064269 .09827451991315021 -.0004162428890535622 .02043996591502469 -.0001221435831112643
i -1.90740131082887E-5 9.429155657057593E-5 .01109348994751463 .0009297238974342911 -.0001221435831112643 .0003274933100482157

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO120877  
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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