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487784 (2015 RJ229)
Classification: Main-belt Asteroid          SPK-ID: 2487784
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2367763856452717 1.6188e-07  
a 3.137067911590006 9.006e-08 au
q 2.394284309959963 4.5599e-07 au
i 2.559499276747193 1.2133e-05 deg
node 56.21660821488544 0.00022881 deg
peri 3.102736926462338 0.00025782 deg
M 274.9646343764049 9.4449e-05 deg
tp 2459479.881632638308
(2021-Sep-22.38163264)
0.00051612 TDB
period 2029.477811781233
5.56
8.7394e-05
2.393e-07
d
yr
n .1773855313471179 7.6387e-09 deg/d
Q 3.879851513220049 1.1138e-07 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      4555 days (12.47 yr)  
   first obs. used      2004-10-07  
   last obs. used      2017-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61302  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:13:30  

Additional Information
 Earth MOID = 1.40682 au 
 Jupiter MOID = 1.48003 au 
 T_jup = 3.166 
[ 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 17.3   n/a E2015U64  

487784 (2015 RJ229)          Discovered 2004-Oct-07 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Alternate Designations
 2015 RJ229 = 2004 TB200 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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