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(2017 UJ2)
Classification: Apollo [NEO]          SPK-ID: 3787600
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1835756060376668 6.7569e-05  
a 1.121718294218119 5.5039e-05 au
q .9157981785534903 3.095e-05 au
i .5247868979405834 0.00010035 deg
node 28.31732454989745 3.9457e-05 deg
peri 297.4652157248638 0.0021524 deg
M 115.0828200921628 0.062567 deg
tp 2458861.782221195892
(2020-Jan-13.28222120)
0.065206 TDB
period 433.9344511151721
1.19
0.031938
8.744e-05
d
yr
n .829618388387538 6.106e-05 deg/d
Q 1.327638409882749 6.5143e-05 au
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      1 day  
   first obs. used      2017-10-21  
   last obs. used      2017-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .47132  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Oct-23 06:22:12  

Additional Information
 Earth MOID = .000232015 au 
 Jupiter MOID = 3.91264 au 
 T_jup = 5.552 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458048.5 (2017-Oct-22.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1875158790077937 6.6023e-05  
q .9136312118693608 2.977e-05 au
tp 2457993.983524528930
(2017-Aug-28.48352453)
0.0013127 TDB
node 28.39357947178405 4.5269e-05 deg
peri 297.2378708475477 0.0019213 deg
i .5310274195563726 9.839e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      1 day  
   first obs. used      2017-10-21  
   last obs. used      2017-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .47132  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Oct-23 06:22:12  

Additional Information
 Jupiter MOID = 3.91264 au 
 T_jup = 5.552 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.359025300108824E-9 -1.961731826368617E-9 8.342207053348714E-8 -2.369818161851123E-9 -1.22034888744511E-7 2.950981434595901E-9
q -1.961731826368617E-9 8.862763183671358E-10 -3.690372505386339E-8 1.096181313368723E-9 5.587507397881907E-8 -1.182903497469757E-9
tp 8.342207053348714E-8 -3.690372505386339E-8 1.723102993793675E-6 -4.030232834926465E-8 -2.149501091072858E-6 8.109314128932293E-8
node -2.369818161851123E-9 1.096181313368723E-9 -4.030232834926465E-8 2.04931538498965E-9 7.362826214448597E-8 1.857848540495759E-11
peri -1.22034888744511E-7 5.587507397881907E-8 -2.149501091072858E-6 7.362826214448597E-8 3.691374811954743E-6 -4.497692676851016E-8
i 2.950981434595901E-9 -1.182903497469757E-9 8.109314128932293E-8 1.857848540495759E-11 -4.497692676851016E-8 9.680666163612246E-9

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 30.9   n/a MPO421534  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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