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JPL Small-Body Database Browser
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243628 (1999 RG131)
Classification: Main-belt Asteroid          SPK-ID: 2243628
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2614971601563193 6.5535e-08  
a 3.085639246222982 3.661e-08 au
q 2.278753346068787 2.0965e-07 au
i 18.14541977372529 7.2821e-06 deg
node 181.5594553740349 2.0387e-05 deg
peri 189.8761441170881 2.3788e-05 deg
M 204.9973793532232 1.7805e-05 deg
tp 2459452.918156329609
(2021-Aug-26.41815633)
0.00010978 TDB
period 1979.776438605914
5.42
3.5234e-05
9.647e-08
d
yr
n .1818387131900099 3.2361e-09 deg/d
Q 3.892525146377178 4.6183e-08 au
  Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      7185 days (19.67 yr)  
   first obs. used      1999-09-07  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51035  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:37:46  

Additional Information
 Earth MOID = 1.27913 au 
 Jupiter MOID = 1.56945 au 
 T_jup = 3.099 
[ 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 MPO437137  
diameter diameter 5.141 km 0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243628 (1999 RG131)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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