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JPL Small-Body Database Browser
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415720 (1999 RU215)
Classification: TransNeptunian Object          SPK-ID: 2415720
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06983699978231957 7.9881e-05  
a 42.90229043404285 0.0052555 au
q 39.90612318633958 0.0035418 au
i 7.740429822826127 0.00022782 deg
node 14.29453518947183 0.00047327 deg
peri 326.6895345669446 0.085437 deg
M 53.78426341182597 0.079318 deg
tp 2443265.920577255507
(1977-May-02.42057726)
20.475 TDB
period 102640.591169167
281.01
18.86
0.05164
d
yr
n .00350738431939335 6.4447e-07 deg/d
Q 45.89845768174611 0.0056225 au
  Orbit Determination Parameters
   # obs. used (total)      46  
   data-arc span      5143 days (14.08 yr)  
   first obs. used      1999-09-07  
   last obs. used      2013-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .21139  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 16:43:05  

Additional Information
 Earth MOID = 38.9 au 
 Jupiter MOID = 34.921 au 
 T_jup = 5.798 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.3   n/a MPO73954  

415720 (1999 RU215)          Discovered 1999-Sep-07 by Trujillo, C. A., Luu, J. X., Jewitt, D. C. at Mauna Kea
Reference: Last Updated: 2015-01-07
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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