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78464 (2002 RC42)
Classification: Main-belt Asteroid          SPK-ID: 2078464
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09692791105520811 4.1527e-08  
a 2.616799320154219 1.4216e-08 au
q 2.363158428400981 1.0906e-07 au
i 2.732889464167724 4.4607e-06 deg
node 79.37359170473553 9.7883e-05 deg
peri 269.9914427560626 0.00010088 deg
M 62.43645653104412 2.3107e-05 deg
tp 2458732.342590811915
(2019-Sep-05.84259081)
9.934e-05 TDB
period 1546.158649469667
4.23
1.26e-05
3.45e-08
d
yr
n .2328350975648457 1.8974e-09 deg/d
Q 2.870440211907456 1.5594e-08 au
  Orbit Determination Parameters
   # obs. used (total)      590  
   data-arc span      8089 days (22.15 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56055  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:12:43  

Additional Information
 Earth MOID = 1.35869 au 
 Jupiter MOID = 2.49537 au 
 T_jup = 3.398 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456972.5 (2014-Nov-11.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09892449374921339 4.1722e-08  
q 2.357823415788427 1.0982e-07 au
tp 2457184.283281858744
(2015-Jun-10.78328186)
9.8047e-05 TDB
node 79.40401228388089 9.7986e-05 deg
peri 269.583566659482 0.00010084 deg
i 2.732464491450643 4.4584e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      590  
   data-arc span      8089 days (22.15 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56055  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:12:43  

Additional Information
 Jupiter MOID = 2.49537 au 
 T_jup = 3.398 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.74075021633815E-15 -4.550623518197503E-15 1.104886720263873E-12 -4.2546222721173E-15 2.609573058449354E-13 -1.179355560320295E-15
q -4.550623518197503E-15 1.206075323528005E-14 -3.115012856084384E-12 1.151388225127045E-14 -7.44737509859039E-13 3.213379320072406E-15
tp 1.104886720263873E-12 -3.115012856084384E-12 9.613137864665578E-9 -3.058899126842932E-12 2.358343336891868E-9 -1.91059935133682E-12
node -4.2546222721173E-15 1.151388225127045E-14 -3.058899126842932E-12 9.601233432238295E-9 -9.590769643759508E-9 -1.201142754004335E-10
peri 2.609573058449354E-13 -7.44737509859039E-13 2.358343336891868E-9 -9.590769643759508E-9 1.016774443411878E-8 1.195068159948039E-10
i -1.179355560320295E-15 3.213379320072406E-15 -1.91059935133682E-12 -1.201142754004335E-10 1.195068159948039E-10 1.987734084842006E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO259815  

78464 (2002 RC42)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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