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JPL Small-Body Database Browser
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379174 (2009 RY2)
Classification: Main-belt Asteroid          SPK-ID: 2379174
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .2956779548417947 3.8958e-07  
a 2.583851141523857 1.2106e-07 au
q 1.819863320382446 1.0884e-06 au
i 12.41285874366139 1.8395e-05 deg
node 355.6920084413659 4.2285e-05 deg
peri 329.4622807496593 5.8095e-05 deg
M 134.3573516869536 2.9083e-05 deg
tp 2458034.314691780195
(2017-Oct-07.81469178)
0.00010442 TDB
period 1517.049185622805
4.15
0.00010661
2.919e-07
d
yr
n .23730278715532 1.6677e-08 deg/d
Q 3.347838962665268 1.5685e-07 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      4253 days (11.64 yr)  
   first obs. used      2005-11-01  
   last obs. used      2017-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63092  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:26:45  

Additional Information
 Earth MOID = .819656 au 
 Jupiter MOID = 2.0599 au 
 T_jup = 3.329 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO413413  
diameter diameter 1.686 km 0.562 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.090   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

379174 (2009 RY2)          Discovered 2009-Aug-28 by CSS at Catalina
Reference: Last Updated: 2013-11-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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