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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1419407961604535 4.5777e-08  
a 3.206377639307598 3.2864e-08 au
q 2.751261844393202 1.4573e-07 au
i 4.55300942526703 6.5179e-06 deg
node 317.5173458170155 6.3903e-05 deg
peri 299.7653741856446 6.8051e-05 deg
M 238.2898357453995 2.5414e-05 deg
tp 2459709.497626636289
(2022-May-09.99762664)
0.00015171 TDB
period 2097.106245417101
5.74
3.2242e-05
8.827e-08
d
yr
n .1716651222544036 2.6393e-09 deg/d
Q 3.661493434221994 3.7529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      455  
   data-arc span      9297 days (25.45 yr)  
   first obs. used      1994-08-10  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52485  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:59:26  

Additional Information
 Earth MOID = 1.73992 au 
 Jupiter MOID = 1.44803 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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