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447847 (2007 US83)
Classification: Main-belt Asteroid          SPK-ID: 2447847
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1713275265861188 1.9012e-07  
a 2.576143823411443 4.1656e-08 au
q 2.134779474016253 5.2166e-07 au
i 8.108519995256939 5.97e-06 deg
node 225.0812336742883 4.9659e-05 deg
peri 155.7144405840731 7.8964e-05 deg
M 33.94328109501659 6.0406e-05 deg
tp 2458858.101667028503
(2020-Jan-09.60166703)
0.00025027 TDB
period 1510.266486207934
4.13
3.6632e-05
1.003e-07
d
yr
n .2383685285263194 5.7816e-09 deg/d
Q 3.017508172806632 4.8793e-08 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      4433 days (12.14 yr)  
   first obs. used      2007-09-26  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55391  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 23:01:05  

Additional Information
 Earth MOID = 1.1411 au 
 Jupiter MOID = 2.44956 au 
 T_jup = 3.392 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457725.5 (2016-Dec-03.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1726945681489621 1.9415e-07  
q 2.130566919205491 5.3398e-07 au
tp 2457344.035582885901
(2015-Nov-17.53558289)
0.00020947 TDB
node 225.1187386243827 4.969e-05 deg
peri 154.9431288752744 7.7778e-05 deg
i 8.105699917555068 5.984e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      4433 days (12.14 yr)  
   first obs. used      2007-09-26  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55391  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 23:01:05  

Additional Information
 Jupiter MOID = 2.44956 au 
 T_jup = 3.392 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.769530121541471E-14 -1.036392077532427E-13 -3.814025759245221E-11 -3.651169846333545E-13 -1.084429532466103E-11 -1.211552025829379E-13
q -1.036392077532427E-13 2.851331202890655E-13 1.050085376898725E-10 1.007424251198335E-12 2.986417071692715E-11 3.335623092470629E-13
tp -3.814025759245221E-11 1.050085376898725E-10 4.387696887231748E-8 3.683771650454085E-10 1.259437459828992E-8 1.292250957760189E-10
node -3.651169846333545E-13 1.007424251198335E-12 3.683771650454085E-10 2.469095882142068E-9 -2.336636033986595E-9 -1.768953145749619E-10
peri -1.084429532466103E-11 2.986417071692715E-11 1.259437459828992E-8 -2.336636033986595E-9 6.049342167493259E-9 2.133071454308818E-10
i -1.211552025829379E-13 3.335623092470629E-13 1.292250957760189E-10 -1.768953145749619E-10 2.133071454308818E-10 3.580786685348642E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO495224  

447847 (2007 US83)          Discovered 2007-Sep-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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