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JPL Small-Body Database Browser
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243122 (2007 RK203)
Classification: Main-belt Asteroid          SPK-ID: 2243122
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1251792256578655 5.7321e-08  
a 3.107561017284177 4.5131e-08 au
q 2.718558935455975 1.7524e-07 au
i 4.631822444766988 1.022e-05 deg
node 7.861464070812 8.1925e-05 deg
peri 91.16565027317141 9.3783e-05 deg
M 327.2727155967226 4.4816e-05 deg
tp 2458782.401128699255
(2019-Oct-25.90112870)
0.00025044 TDB
period 2000.911701832921
5.48
4.3589e-05
1.193e-07
d
yr
n .1799179842220047 3.9194e-09 deg/d
Q 3.496563099112379 5.0781e-08 au
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      9710 days (26.58 yr)  
   first obs. used      1993-02-26  
   last obs. used      2019-09-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67297  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:13:54  

Additional Information
 Earth MOID = 1.74058 au 
 Jupiter MOID = 1.67204 au 
 T_jup = 3.203 
[ 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 15.8   n/a MPO418299  
diameter diameter 4.401 km 1.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243122 (2007 RK203)          Discovered 2007-Sep-13 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2007 RK203 = 2007 TA417 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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