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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08921526745280312 3.2421e-08  
a 2.285214863705655 9.3005e-09 au
q 2.081338808453034 7.2977e-08 au
i 7.384635295552736 3.6105e-06 deg
node 91.92644806770383 3.0169e-05 deg
peri 171.0928538249476 3.7861e-05 deg
M 203.3027196059125 2.3634e-05 deg
tp 2459749.722025386316
(2022-Jun-19.22202539)
8.4098e-05 TDB
period 1261.79553749635
3.45
7.703e-06
2.109e-08
d
yr
n .2853077137317435 1.7417e-09 deg/d
Q 2.489090918958276 1.013e-08 au
  Orbit Determination Parameters
   # obs. used (total)      766  
   data-arc span      7765 days (21.26 yr)  
   first obs. used      1999-12-07  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53248  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:37:18  

Additional Information
 Earth MOID = 1.06413 au 
 Jupiter MOID = 2.55987 au 
 T_jup = 3.586 
[ show covariance matrix ]

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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