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173132 (1994 RY2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2173132
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1419997604212932 4.7415e-08  
a 3.206564257736281 3.6779e-08 au
q 2.751232901362247 1.5087e-07 au
i 4.552050559954187 7.5532e-06 deg
node 317.5288378270463 6.8989e-05 deg
peri 299.6364120108288 7.4244e-05 deg
M 169.7819066522742 2.7263e-05 deg
tp 2457611.383939763745
(2016-Aug-10.88393976)
0.00015869 TDB
period 2097.289332569066
5.74
3.6083e-05
9.879e-08
d
yr
n .1716501363972607 2.9532e-09 deg/d
Q 3.661895614110315 4.2001e-08 au
  Orbit Determination Parameters
   # obs. used (total)      394  
   data-arc span      8833 days (24.18 yr)  
   first obs. used      1994-08-10  
   last obs. used      2018-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53351  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 03:26:33  

Additional Information
 Earth MOID = 1.7396 au 
 Jupiter MOID = 1.44699 au 
 T_jup = 3.172 
[ 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 15.0   n/a MPO427056  
diameter diameter 5.087 km 0.191 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173132 (1994 RY2)          Discovered 1994-Sep-02 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1994 RY2 = 2000 SF27 = 2002 XZ116 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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