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JPL Small-Body Database Browser
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172227 (2002 RG109)
Classification: Main-belt Asteroid          SPK-ID: 2172227
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1410078110239987 5.9911e-08  
a 2.696547883828309 2.1472e-08 au
q 2.316313569408283 1.7109e-07 au
i 8.314339801315985 6.2316e-06 deg
node 311.1740115232232 2.9285e-05 deg
peri 50.2776267966595 3.5351e-05 deg
M 348.5974909662147 2.2971e-05 deg
tp 2459051.728136266952
(2020-Jul-21.22813627)
0.0001036 TDB
period 1617.374649865138
4.43
1.9318e-05
5.289e-08
d
yr
n .2225829371259269 2.6586e-09 deg/d
Q 3.076782198248334 2.45e-08 au
  Orbit Determination Parameters
   # obs. used (total)      427  
   data-arc span      9304 days (25.47 yr)  
   first obs. used      1993-08-15  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53858  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:45:23  

Additional Information
 Earth MOID = 1.32258 au 
 Jupiter MOID = 2.39551 au 
 T_jup = 3.340 
[ 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 15.4   n/a MPO436856  

172227 (2002 RG109)          Discovered 2002-Sep-06 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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