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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2723638063462551 3.4869e-08  
a 3.09193830837524 2.3012e-08 au
q 2.249806221718359 1.1196e-07 au
i 5.639373797024999 5.0387e-06 deg
node 156.694111717432 4.1311e-05 deg
peri 252.1512493396392 4.2723e-05 deg
M 275.472920183131 1.2831e-05 deg
tp 2459466.770588483582
(2021-Sep-09.27058848)
7.4111e-05 TDB
period 1985.841841664928
5.44
2.2169e-05
6.07e-08
d
yr
n .1812833189667191 2.0238e-09 deg/d
Q 3.934070395032121 2.9279e-08 au
  Orbit Determination Parameters
   # obs. used (total)      769  
   data-arc span      7647 days (20.94 yr)  
   first obs. used      1999-08-22  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53094  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:03:04  

Additional Information
 Earth MOID = 1.26762 au 
 Jupiter MOID = 1.51059 au 
 T_jup = 3.159 
[ 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 14.7   n/a MPO439768  
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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