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JPL Small-Body Database Browser
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49047 (1998 RK20)
Classification: Main-belt Asteroid          SPK-ID: 2049047
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 .1161143102706626 4.2395e-08  
a 2.362603544750554 1.1463e-08 au
q 2.088271463708821 9.8958e-08 au
i 7.158134551572883 4.5318e-06 deg
node 173.7074850190311 3.7319e-05 deg
peri 221.0283381311411 4.2714e-05 deg
M 202.8306410102848 2.2213e-05 deg
tp 2459179.595359588080
(2020-Nov-26.09535959)
8.4055e-05 TDB
period 1326.431123673099
3.63
9.6537e-06
2.643e-08
d
yr
n .2714049705069515 1.9753e-09 deg/d
Q 2.636935625792288 1.2794e-08 au
  Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      9521 days (26.07 yr)  
   first obs. used      1993-04-14  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63609  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:39:54  

Additional Information
 Earth MOID = 1.09882 au 
 Jupiter MOID = 2.78511 au 
 T_jup = 3.531 
[ 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 16.0   n/a MPO436126  

49047 (1998 RK20)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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