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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2362532713518169 5.4475e-08  
a 2.352692434795272 1.1248e-08 au
q 1.796861150590218 1.3365e-07 au
i 5.129894612853922 4.1463e-06 deg
node 289.2432140815599 5.6399e-05 deg
peri 55.92840358705075 5.7199e-05 deg
M 266.3240892492448 9.0689e-06 deg
tp 2459343.482201984572
(2021-May-08.98220198)		 3.4398e-05 TDB
period 1318.093325433195
3.61		 9.4522e-06
2.588e-08		 d
yr
n .2731217836048786 1.9586e-09 deg/d
Q 2.908523719000327 1.3905e-08 au
   Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      7569 days (20.72 yr)  
   first obs. used      1999-08-08  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47131  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:25:51  

Additional Information
 Earth MOID = .795302 au 
 Jupiter MOID = 2.52609 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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