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118403 (1999 RY92)
Classification: Main-belt Asteroid          SPK-ID: 2118403
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2717331451923888 3.426e-08  
a 3.08795084085822 2.2194e-08 au
q 2.248852246672334 1.1037e-07 au
i 5.646790365153285 5.0146e-06 deg
node 156.6506836663987 4.0037e-05 deg
peri 252.4067992730507 4.154e-05 deg
M 311.4865563410621 1.3144e-05 deg
tp 2459467.593670550009
(2021-Sep-10.09367055)		 7.4184e-05 TDB
period 1982.001567936279
5.43		 2.1368e-05
5.85e-08		 d
yr
n .1816345687227902 1.9582e-09 deg/d
Q 3.927049435044106 2.8225e-08 au
   Orbit Determination Parameters
   # obs. used (total)      817  
   data-arc span      7749 days (21.22 yr)  
   first obs. used      1999-08-22  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52693  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:38:56  

Additional Information
 Earth MOID = 1.2659 au 
 Jupiter MOID = 1.51792 au 
 T_jup = 3.161 
[ 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 14.72   n/a E2021B55  
diameter diameter 6.002 km 0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.064   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

118403 (1999 RY92)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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