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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07200578414382852 6.7317e-05  
a 43.01925168831472 0.0052286 au
q 39.9216167372169 0.0022674 au
i 7.72957074399796 0.00020752 deg
node 14.25138898107458 0.00045397 deg
peri 328.0597663471986 0.053819 deg
M 53.74841110644547 0.054835 deg
tp 2443613.433388520811
(1978-Apr-14.93338852)
13.054 TDB
period 103060.608976183
282.16
18.789
0.05144
d
yr
n .003493090168749099 6.3683e-07 deg/d
Q 46.11688663941254 0.0056051 au
  Orbit Determination Parameters
   # obs. used (total)      48  
   data-arc span      6623 days (18.13 yr)  
   first obs. used      1999-09-07  
   last obs. used      2017-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .22881  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 07:12:13  

Additional Information
 Earth MOID = 38.9165 au 
 Jupiter MOID = 34.9402 au 
 T_jup = 5.805 
[ 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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