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117172 (2004 RR50)
Classification: Main-belt Asteroid          SPK-ID: 2117172
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262468483882798 5.1107e-08  
a 2.315854348386002 1.1663e-08 au
q 2.023485035575975 1.1871e-07 au
i 3.875132361045945 5.2363e-06 deg
node 17.03859191184841 7.2486e-05 deg
peri 324.3682107599831 7.4586e-05 deg
M 172.1769041347778 1.9232e-05 deg
tp 2458384.844613855999
(2018-Sep-23.34461386)
6.6656e-05 TDB
period 1287.257080882036
3.52
9.7246e-06
2.662e-08
d
yr
n .2796644161812074 2.1127e-09 deg/d
Q 2.608223661196028 1.3136e-08 au
  Orbit Determination Parameters
   # obs. used (total)      474  
   data-arc span      8186 days (22.41 yr)  
   first obs. used      1997-09-04  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57238  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:43:51  

Additional Information
 Earth MOID = 1.01685 au 
 Jupiter MOID = 2.75694 au 
 T_jup = 3.567 
[ 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 16.5   n/a MPO345064  

117172 (2004 RR50)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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