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JPL Small-Body Database Browser
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487776 (2015 RJ217)
Classification: Main-belt Asteroid          SPK-ID: 2487776
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .234007266724957 9.4071e-08  
a 3.08615945469238 1.4398e-07 au
q 2.363975716022432 2.1626e-07 au
i 12.19309181453996 1.6061e-05 deg
node 186.6801927258414 2.8434e-05 deg
peri 245.3777796681536 0.00010814 deg
M 197.3333663061258 7.2251e-05 deg
tp 2459495.291700668559
(2021-Oct-07.79170067)
0.00035004 TDB
period 1980.277115999679
5.42
0.00013858
3.794e-07
d
yr
n .1817927385472339 1.2722e-08 deg/d
Q 3.808343193362327 1.7767e-07 au
  Orbit Determination Parameters
   # obs. used (total)      84  
   data-arc span      4583 days (12.55 yr)  
   first obs. used      2004-09-12  
   last obs. used      2017-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51502  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Jul-11 15:52:40  

Additional Information
 Earth MOID = 1.4078 au 
 Jupiter MOID = 1.72725 au 
 T_jup = 3.150 
[ 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 16.8   n/a MPO413572  

487776 (2015 RJ217)          Discovered 2004-Sep-12 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

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