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JPL Small-Body Database Browser
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300390 (2007 RK208)
Classification: Main-belt Asteroid          SPK-ID: 2300390
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1718527429834669 6.2937e-08  
a 2.41233593627519 1.6037e-08 au
q 1.997769388628709 1.5079e-07 au
i 3.094378080541063 6.9767e-06 deg
node 52.55080313676515 0.00011688 deg
peri 9.09982391220025 0.00011855 deg
M 350.536599135974 2.0173e-05 deg
tp 2458636.474920494946
(2019-Jun-01.97492049)
7.6866e-05 TDB
period 1368.532472022007
3.75
1.3647e-05
3.736e-08
d
yr
n .2630555046078665 2.6231e-09 deg/d
Q 2.826902483921672 1.8793e-08 au
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      9447 days (25.86 yr)  
   first obs. used      1992-09-24  
   last obs. used      2018-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58439  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:35:42  

Additional Information
 Earth MOID = 1.01038 au 
 Jupiter MOID = 2.49315 au 
 T_jup = 3.497 
[ 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 17.6   n/a MPO455217  

300390 (2007 RK208)          Discovered 2007-Sep-10 by Spacewatch at Kitt Peak
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

[ show close-approach data ]
Alternate Designations
 2007 RK208 = 1992 SY4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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