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117208 (2004 RM194)
Classification: Outer Main-belt Asteroid          SPK-ID: 2117208
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1959537541699014 4.026e-08  
a 3.249939167287583 2.7641e-08 au
q 2.613101386633778 1.2847e-07 au
i 19.37788724676037 6.8664e-06 deg
node 197.6220068277686 1.4157e-05 deg
peri 257.675387742173 2.2939e-05 deg
M 186.4737033653001 1.7189e-05 deg
tp 2460032.011495318976
(2023-Mar-28.51149532)
0.00010626 TDB
period 2139.987687840588
5.86
2.7301e-05
7.475e-08
d
yr
n .1682252669235063 2.1462e-09 deg/d
Q 3.886776947941389 3.3058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      605  
   data-arc span      7560 days (20.70 yr)  
   first obs. used      1998-08-27  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54501  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:54:33  

Additional Information
 Earth MOID = 1.71 au 
 Jupiter MOID = 1.81872 au 
 T_jup = 3.063 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456644.5 (2013-Dec-18.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1991246359018049 4.0523e-08  
q 2.595224844286049 1.2977e-07 au
tp 2455758.785985294208
(2011-Jul-16.28598529)
9.6414e-05 TDB
node 197.9427314022024 1.4143e-05 deg
peri 256.4744078531655 2.2618e-05 deg
i 19.440377798656 6.868e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      605  
   data-arc span      7560 days (20.70 yr)  
   first obs. used      1998-08-27  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54501  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:54:33  

Additional Information
 Jupiter MOID = 1.81872 au 
 T_jup = 3.063 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.642110306320958E-15 -5.184770709298501E-15 -5.383445771537176E-13 3.693842997329748E-15 -8.389609928524261E-14 3.544222017020184E-16
q -5.184770709298501E-15 1.684082907529976E-14 1.462468990091738E-12 -1.01028695361538E-14 2.558717437594957E-13 -1.483046855069149E-15
tp -5.383445771537176E-13 1.462468990091738E-12 9.295656346527333E-9 -2.744957798714962E-11 1.716986203354173E-9 -3.153866979934858E-12
node 3.693842997329748E-15 -1.01028695361538E-14 -2.744957798714962E-11 2.000144927709879E-10 -1.928912381285549E-10 -5.948967844644714E-12
peri -8.389609928524261E-14 2.558717437594957E-13 1.716986203354173E-9 -1.928912381285549E-10 5.115674573620184E-10 5.011605487025577E-12
i 3.544222017020184E-16 -1.483046855069149E-15 -3.153866979934858E-12 -5.948967844644714E-12 5.011605487025577E-12 4.716998564320774E-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 14.3   n/a MPO264142  

117208 (2004 RM194)          Discovered 2004-Sep-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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