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78018 (2002 JM62)
Classification: Main-belt Asteroid          SPK-ID: 2078018
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1487055445038137 5.8941e-08  
a 2.568011489087088 1.4204e-08 au
q 2.186133942310343 1.543e-07 au
i 7.15847086724411 4.2364e-06 deg
node 91.51921037606242 5.024e-05 deg
peri 227.458694859055 5.3071e-05 deg
M 69.39405745020828 1.6229e-05 deg
tp 2458710.756533979939
(2019-Aug-15.25653398)
6.8026e-05 TDB
period 1503.120751255467
4.12
1.2471e-05
3.414e-08
d
yr
n .239501716478409 1.9871e-09 deg/d
Q 2.949889035863832 1.6317e-08 au
  Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      9076 days (24.85 yr)  
   first obs. used      1995-12-16  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60322  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:28:33  

Additional Information
 Earth MOID = 1.18006 au 
 Jupiter MOID = 2.33881 au 
 T_jup = 3.405 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456950.5 (2014-Oct-20.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1497900292927982 5.9115e-08  
q 2.1830734204353 1.5511e-07 au
tp 2457209.334295830871
(2015-Jul-05.83429583)
7.014e-05 TDB
node 91.55605433325167 5.0294e-05 deg
peri 227.8619937482776 5.3065e-05 deg
i 7.155994923983361 4.2339e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      9076 days (24.85 yr)  
   first obs. used      1995-12-16  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60322  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:28:33  

Additional Information
 Jupiter MOID = 2.33881 au 
 T_jup = 3.405 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.494617247139008E-15 -9.142357461063141E-15 2.097697414726065E-12 7.460557825530858E-14 5.176394593955414E-13 -4.418032016172864E-15
q -9.142357461063141E-15 2.405909097862744E-14 -5.661259871037102E-12 -1.964802136171484E-13 -1.402614665947024E-12 1.186762480883486E-14
tp 2.097697414726065E-12 -5.661259871037102E-12 4.91956047265628E-9 6.717813676289489E-11 1.243957063951408E-9 -2.00834121554056E-12
node 7.460557825530858E-14 -1.964802136171484E-13 6.717813676289489E-11 2.529436207916501E-9 -2.491336670784944E-9 4.251751645915596E-11
peri 5.176394593955414E-13 -1.402614665947024E-12 1.243957063951408E-9 -2.491336670784944E-9 2.815897205915806E-9 -4.281467058535013E-11
i -4.418032016172864E-15 1.186762480883486E-14 -2.00834121554056E-12 4.251751645915596E-11 -4.281467058535013E-11 1.792570367617725E-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 15.8   n/a MPO395705  

78018 (2002 JM62)          Discovered 2002-May-08 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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