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117203 (2004 RH188)
Classification: Main-belt Asteroid          SPK-ID: 2117203
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1699617363613732 4.9294e-08  
a 3.182644204035828 3.8413e-08 au
q 2.641716468897438 1.5979e-07 au
i 8.996124227182577 6.9128e-06 deg
node 233.2518717581569 5.5744e-05 deg
peri 198.6650891446498 6.4962e-05 deg
M 232.5259327241588 3.613e-05 deg
tp 2459734.844598405094
(2022-Jun-04.34459841)
0.00021505 TDB
period 2073.865383566811
5.68
3.7546e-05
1.028e-07
d
yr
n .1735888948495014 3.1427e-09 deg/d
Q 3.723571939174219 4.4942e-08 au
  Orbit Determination Parameters
   # obs. used (total)      287  
   data-arc span      8952 days (24.51 yr)  
   first obs. used      1993-10-20  
   last obs. used      2018-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55977  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 05:23:36  

Additional Information
 Earth MOID = 1.65794 au 
 Jupiter MOID = 1.60372 au 
 T_jup = 3.157 
[ show covariance matrix ]

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 15.3   n/a MPO475029  

117203 (2004 RH188)          Discovered 2004-Sep-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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