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78640 (2002 TU37)
Classification: Main-belt Asteroid          SPK-ID: 2078640
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1180866322885286 4.5101e-08  
a 2.847270768807359 1.8185e-08 au
q 2.511046152505328 1.3299e-07 au
i 13.4652436090877 4.7899e-06 deg
node 44.50124211285231 1.927e-05 deg
peri 309.327684540511 2.6046e-05 deg
M 272.9916203582248 1.7927e-05 deg
tp 2459424.631141353841
(2021-Jul-29.13114135)
8.8457e-05 TDB
period 1754.856388729637
4.80
1.6812e-05
4.603e-08
d
yr
n .2051449920985321 1.9653e-09 deg/d
Q 3.183495385109389 2.0332e-08 au
  Orbit Determination Parameters
   # obs. used (total)      943  
   data-arc span      8292 days (22.70 yr)  
   first obs. used      1997-10-30  
   last obs. used      2020-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59186  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:07  

Additional Information
 Earth MOID = 1.53211 au 
 Jupiter MOID = 2.33922 au 
 T_jup = 3.256 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456729.5 (2014-Mar-13.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1177359873671862 4.507e-08  
q 2.51104426114418 1.3266e-07 au
tp 2455921.332485496983
(2011-Dec-25.83248550)
8.6035e-05 TDB
node 44.52157207493357 1.9261e-05 deg
peri 310.2419094802122 2.6082e-05 deg
i 13.46978757068639 4.7914e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      943  
   data-arc span      8292 days (22.70 yr)  
   first obs. used      1997-10-30  
   last obs. used      2020-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59186  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:07  

Additional Information
 Jupiter MOID = 2.33922 au 
 T_jup = 3.256 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.031324978623351E-15 -5.93603685358404E-15 3.06734698756338E-13 -4.998126337626782E-15 4.221836083054694E-14 -5.180133345297659E-15
q -5.93603685358404E-15 1.759969333498916E-14 -1.050235365975397E-12 1.367933577345432E-14 -1.294724472098777E-13 1.605697498893166E-14
tp 3.06734698756338E-13 -1.050235365975397E-12 7.402083301983248E-9 5.625759449606879E-12 1.529712468635084E-9 -2.959374491271173E-12
node -4.998126337626782E-15 1.367933577345432E-14 5.625759449606879E-12 3.709700801912847E-10 -3.594088084083341E-10 -1.766190394421333E-11
peri 4.221836083054694E-14 -1.294724472098777E-13 1.529712468635084E-9 -3.594088084083341E-10 6.802449173272503E-10 1.687373608913061E-11
i -5.180133345297659E-15 1.605697498893166E-14 -2.959374491271173E-12 -1.766190394421333E-11 1.687373608913061E-11 2.295728782154179E-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 14.4   n/a MPO324994  

78640 (2002 TU37)          Discovered 2002-Oct-02 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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