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344508 (2002 RQ78)
Classification: Main-belt Asteroid          SPK-ID: 2344508
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1983962439676152 8.9705e-08  
a 2.180179278425924 1.3464e-08 au
q 1.747639898410195 1.9962e-07 au
i 1.371780762911322 5.6438e-06 deg
node 228.2955125011406 0.00028488 deg
peri 113.3407076077257 0.00028978 deg
M 64.30740340102959 3.8677e-05 deg
tp 2458390.463287791146
(2018-Sep-28.96328779)
0.00012637 TDB
period 1175.808886632436
3.22
1.0892e-05
2.982e-08
d
yr
n .3061722054432284 2.8362e-09 deg/d
Q 2.612718658441652 1.6135e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      6849 days (18.75 yr)  
   first obs. used      1999-11-12  
   last obs. used      2018-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49992  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 20:08:29  

Additional Information
 Earth MOID = .739043 au 
 Jupiter MOID = 2.78191 au 
 T_jup = 3.655 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457346.5 (2015-Nov-20.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1993262840029675 9.0137e-08  
q 1.745255075210901 2.0074e-07 au
tp 2457214.184118690242
(2015-Jul-10.68411869)
0.00012509 TDB
node 228.366924927555 0.00028549 deg
peri 113.1155420897302 0.00029028 deg
i 1.369666301848697 5.6417e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      6849 days (18.75 yr)  
   first obs. used      1999-11-12  
   last obs. used      2018-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49992  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 20:08:29  

Additional Information
 Jupiter MOID = 2.78191 au 
 T_jup = 3.655 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.124669719492615E-15 -1.807154073054242E-14 -7.229132279719974E-12 -6.593917812498862E-14 -3.154034057815793E-12 -1.973424855693652E-14
q -1.807154073054242E-14 4.029743745371838E-14 1.562042938865113E-11 1.477679115979164E-13 6.83213321702417E-12 4.377479694213161E-14
tp -7.229132279719974E-12 1.562042938865113E-11 1.564730847355348E-8 9.815495752255778E-11 6.601655315566701E-9 2.265917203821972E-11
node -6.593917812498862E-14 1.477679115979164E-13 9.815495752255778E-11 8.150571897375934E-8 -8.143853971213625E-8 1.762214918318802E-10
peri -3.154034057815793E-12 6.83213321702417E-12 6.601655315566701E-9 -8.143853971213625E-8 8.426479624515993E-8 -1.66153134401496E-10
i -1.973424855693652E-14 4.377479694213161E-14 2.265917203821972E-11 1.762214918318802E-10 -1.66153134401496E-10 3.182852137554095E-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 18.2   n/a MPO455508  

344508 (2002 RQ78)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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