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243121 (2007 RC203)
Classification: Outer Main-belt Asteroid          SPK-ID: 2243121
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02352665416374597 5.8188e-08  
a 3.220110670367787 3.4975e-08 au
q 3.144352240257056 1.877e-07 au
i 14.27448810777111 6.6276e-06 deg
node 192.0227987854459 1.8386e-05 deg
peri 181.0282142404805 0.00010441 deg
M 66.38194484410478 0.00010099 deg
tp 2458611.318582784230
(2019-May-07.81858278)
0.0005938 TDB
period 2110.593633957374
5.78
3.4386e-05
9.414e-08
d
yr
n .170568125577541 2.7789e-09 deg/d
Q 3.295869100478518 3.5798e-08 au
  Orbit Determination Parameters
   # obs. used (total)      327  
   data-arc span      9805 days (26.84 yr)  
   first obs. used      1993-03-24  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5538  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:17:20  

Additional Information
 Earth MOID = 2.14424 au 
 Jupiter MOID = 1.81071 au 
 T_jup = 3.140 
[ 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 15.2   n/a MPO494331  
diameter diameter 5.778 km 0.412 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243121 (2007 RC203)          Discovered 2007-Sep-13 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

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