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470308 (2007 JH43)
Classification: TransNeptunian Object          SPK-ID: 2470308
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02448046032041357 1.2508e-05  
a 39.62055385403091 0.00064647 au
q 38.6506244575345 0.001125 au
i 18.13434637641819 6.9134e-05 deg
node 64.59162596302446 1.2495e-05 deg
peri 352.5988731250891 0.022167 deg
M 196.1683677985021 0.02323 deg
tp 2500655.268809685280
(2134-Jun-17.76880969)
5.8545 TDB
period 91091.79082786584
249.40
2.2295
0.006104
d
yr
n .003952057553465867 9.6726e-08 deg/d
Q 40.59048325052732 0.0006623 au
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      12949 days (35.45 yr)  
   first obs. used      1984-03-07  
   last obs. used      2019-08-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .36384  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:22:06  

Additional Information
 Earth MOID = 37.663 au 
 Jupiter MOID = 33.6117 au 
 T_jup = 5.374 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457112.5 (2015-Mar-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02791475027428008 1.2441e-05  
q 38.36337253774973 0.0011131 au
tp 2413128.843390861846
(1894-Oct-27.34339086)
5.1169 TDB
node 64.58605507496954 1.2485e-05 deg
peri 5.009356205214185 0.019504 deg
i 18.15739725779961 6.9243e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      12949 days (35.45 yr)  
   first obs. used      1984-03-07  
   last obs. used      2019-08-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .36384  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:22:06  

Additional Information
 Jupiter MOID = 33.6117 au 
 T_jup = 5.374 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.547893912433221E-10 -1.382659733065308E-8 8.40685296267176E-6 6.431526814277422E-12 -1.97886248944947E-8 -1.590572660515302E-11
q -1.382659733065308E-8 1.239034431839317E-6 -.0004720385593332273 -5.835102739870498E-10 2.842585522085784E-6 1.440341235358799E-9
tp 8.40685296267176E-6 -.0004720385593332273 26.18298518389514 -1.926883647093745E-7 .09751531312565964 2.40316674005619E-7
node 6.431526814277422E-12 -5.835102739870498E-10 -1.926883647093745E-7 1.558693423788209E-10 -3.067404880205417E-9 3.768156151627296E-11
peri -1.97886248944947E-8 2.842585522085784E-6 .09751531312565964 -3.067404880205417E-9 .0003803917027707785 6.27753809811126E-9
i -1.590572660515302E-11 1.440341235358799E-9 2.40316674005619E-7 3.768156151627296E-11 6.27753809811126E-9 4.79457815083234E-9

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 4.5   n/a MPO369056  

470308 (2007 JH43)          Discovered 2007-May-10 by Palomar at Palomar
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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