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173268 (1999 RY190)
Classification: Main-belt Asteroid          SPK-ID: 2173268
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2360405523159976 5.9604e-08  
a 2.352825125844746 1.1283e-08 au
q 1.797462983637396 1.4527e-07 au
i 5.129814338775485 4.8341e-06 deg
node 289.2407853919491 5.9285e-05 deg
peri 55.96671827831918 6.0511e-05 deg
M 157.0144493682486 9.6465e-06 deg
tp 2458025.563314888657
(2017-Sep-29.06331489)
3.4133e-05 TDB
period 1318.204837025261
3.61
9.4821e-06
2.596e-08
d
yr
n .273098679270816 1.9644e-09 deg/d
Q 2.908187268052097 1.3946e-08 au
  Orbit Determination Parameters
   # obs. used (total)      456  
   data-arc span      7127 days (19.51 yr)  
   first obs. used      1999-08-08  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48476  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:28:55  

Additional Information
 Earth MOID = .795006 au 
 Jupiter MOID = 2.52307 au 
 T_jup = 3.513 
[ 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 16.5   n/a MPO264384  
diameter diameter 1.397 km 0.310 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.273   0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173268 (1999 RY190)          Discovered 1999-Sep-10 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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