Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1709467659521536 6.0514e-08  
a 2.410069559506638 2.9342e-08 au
q 1.998075962589247 1.5096e-07 au
i .6970795684927837 1.1186e-05 deg
node 216.3601090709955 0.00091293 deg
peri 60.65049465219429 0.00091405 deg
M 235.3014718923898 4.5917e-05 deg
tp 2459473.870968493038
(2021-Sep-16.37096849)
0.00017652 TDB
period 1366.604331611942
3.74
2.4957e-05
6.833e-08
d
yr
n .2634266493033661 4.8107e-09 deg/d
Q 2.822063156424029 3.4358e-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 = .981769 au 
 Jupiter MOID = 2.29691 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-04 16:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin