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JPL Small-Body Database Browser
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117223 (2004 RP311)
Classification: Main-belt Asteroid          SPK-ID: 2117223
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1820112215659875 7.3962e-08  
a 2.598364506499943 2.1416e-08 au
q 2.125433008598185 1.9629e-07 au
i 10.08197822843172 7.9402e-06 deg
node 77.29579060401537 4.0213e-05 deg
peri 219.4415094557013 4.3995e-05 deg
M 220.998906598795 2.1072e-05 deg
tp 2459191.196306531248
(2020-Dec-07.69630653)
9.3637e-05 TDB
period 1529.848903687875
4.19
1.8914e-05
5.178e-08
d
yr
n .2353173565913464 2.9093e-09 deg/d
Q 3.071296004401702 2.5314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      343  
   data-arc span      7271 days (19.91 yr)  
   first obs. used      1999-05-08  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65426  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:05:23  

Additional Information
 Earth MOID = 1.11933 au 
 Jupiter MOID = 2.14141 au 
 T_jup = 3.371 
[ 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 15.7   n/a MPO333736  

117223 (2004 RP311)          Discovered 2004-Sep-14 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2004 RP311 = 1999 JH72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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