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JPL Small-Body Database Browser
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487434 (2014 RK21)
Classification: Main-belt Asteroid          SPK-ID: 2487434
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1708986909469064 6.0405e-08  
a 2.410187816580681 2.9236e-08 au
q 1.99828987379086 1.5064e-07 au
i .6971176680900607 1.1187e-05 deg
node 216.3680211487276 0.0009127 deg
peri 60.56232634173808 0.00091382 deg
M 130.0461529649715 4.5527e-05 deg
tp 2458106.792453457023
(2017-Dec-19.29245346)
0.00017128 TDB
period 1366.704917471456
3.74
2.4868e-05
6.808e-08
d
yr
n .263407261800182 4.7928e-09 deg/d
Q 2.822085759370502 3.4233e-08 au
  Orbit Determination Parameters
   # obs. used (total)      77  
   data-arc span      6043 days (16.54 yr)  
   first obs. used      2002-03-20  
   last obs. used      2018-10-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59912  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 16:08:58  

Additional Information
 Earth MOID = .981453 au 
 Jupiter MOID = 2.29576 au 
 T_jup = 3.500 
[ 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 17.9   n/a MPO460755  

487434 (2014 RK21)          Discovered 2007-Oct-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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