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243138 (2007 RN311)
Classification: Main-belt Asteroid          SPK-ID: 2243138
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1200030764741393 4.2399e-08  
a 2.688281839169571 2.7954e-08 au
q 2.365679748039665 1.1664e-07 au
i 8.619698446985216 4.8785e-06 deg
node 113.6561130979164 3.77e-05 deg
peri 229.757555070824 4.532e-05 deg
M 328.7990848181284 2.8022e-05 deg
tp 2459140.032525919502
(2020-Oct-17.53252592)
0.00012636 TDB
period 1609.943459613852
4.41
2.5111e-05
6.875e-08
d
yr
n .2236103372762834 3.4878e-09 deg/d
Q 3.010883930299477 3.1308e-08 au
  Orbit Determination Parameters
   # obs. used (total)      320  
   data-arc span      5695 days (15.59 yr)  
   first obs. used      2003-10-19  
   last obs. used      2019-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55153  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:17:37  

Additional Information
 Earth MOID = 1.36735 au 
 Jupiter MOID = 2.36509 au 
 T_jup = 3.347 
[ 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 MPO437135  
diameter diameter 3.838 km 0.401 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243138 (2007 RN311)          Discovered 2007-Sep-15 by LONEOS at Anderson Mesa
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2007 RN311 = 2006 HU121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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