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78542 (2002 RH119)
Classification: Main-belt Asteroid          SPK-ID: 2078542
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08913089498562973 3.2241e-08  
a 2.285237761345215 9.2993e-09 au
q 2.081552474421559 7.2609e-08 au
i 7.384197227226641 3.5954e-06 deg
node 91.92390014202932 2.9933e-05 deg
peri 171.1310238358168 3.759e-05 deg
M 259.1749537426837 2.367e-05 deg
tp 2459749.895848743988
(2022-Jun-19.39584874)
8.3808e-05 TDB
period 1261.814502154061
3.45
7.702e-06
2.109e-08
d
yr
n .2853034256504733 1.7415e-09 deg/d
Q 2.488923048268871 1.0128e-08 au
  Orbit Determination Parameters
   # obs. used (total)      770  
   data-arc span      7787 days (21.32 yr)  
   first obs. used      1999-12-07  
   last obs. used      2021-04-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5334  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:06:18  

Additional Information
 Earth MOID = 1.06607 au 
 Jupiter MOID = 2.55888 au 
 T_jup = 3.586 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457666.5 (2016-Oct-05.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08945465924938532 3.2191e-08  
q 2.080634001316869 7.2516e-08 au
tp 2457227.628657189228
(2015-Jul-24.12865719)
7.8739e-05 TDB
node 91.93834637126001 2.9947e-05 deg
peri 171.402198443682 3.7575e-05 deg
i 7.382931727115643 3.5946e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      770  
   data-arc span      7787 days (21.32 yr)  
   first obs. used      1999-12-07  
   last obs. used      2021-04-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5334  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:06:18  

Additional Information
 Jupiter MOID = 2.55888 au 
 T_jup = 3.586 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.036255568161014E-15 -2.319025932649981E-15 -4.384811833636671E-14 -8.484784669191691E-15 -8.628817613850189E-15 -7.805513051966124E-16
q -2.319025932649981E-15 5.258569132125803E-15 2.501220133283645E-13 1.939125268676336E-14 6.735467040416828E-14 1.886481412348407E-15
tp -4.384811833636671E-14 2.501220133283645E-13 6.199800580202178E-9 2.332573793338903E-11 1.800637127685388E-9 -3.18697678230326E-12
node -8.484784669191691E-15 1.939125268676336E-14 2.332573793338903E-11 8.968468511659955E-10 -8.822598615455767E-10 -2.95362600153219E-12
peri -8.628817613850189E-15 6.735467040416828E-14 1.800637127685388E-9 -8.822598615455767E-10 1.411852674512317E-9 2.009139792351471E-12
i -7.805513051966124E-16 1.886481412348407E-15 -3.18697678230326E-12 -2.95362600153219E-12 2.009139792351471E-12 1.292100586126158E-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 16.06   n/a MPCxxxxx  

78542 (2002 RH119)          Discovered 2002-Sep-09 by Kusnirak, P., Pravec, P. at Ondrejov
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 RH119 = 1999 XQ80 = 2001 GD8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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