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JPL Small-Body Database Browser
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56307 (1999 RY125)
Classification: Main-belt Asteroid          SPK-ID: 2056307
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2020293495244788 5.1626e-08  
a 3.109216752314603 3.2456e-08 au
q 2.481063714313871 1.6321e-07 au
i 15.96034116983382 7.9355e-06 deg
node 323.745942882052 1.8249e-05 deg
peri 311.5207396631654 2.9411e-05 deg
M 247.0558652960381 2.8652e-05 deg
tp 2459228.755222031477
(2021-Jan-14.25522203)
0.0001648 TDB
period 2002.511069071017
5.48
3.1355e-05
8.585e-08
d
yr
n .1797742871738568 2.8149e-09 deg/d
Q 3.737369790315335 3.9013e-08 au
  Orbit Determination Parameters
   # obs. used (total)      920  
   data-arc span      8130 days (22.26 yr)  
   first obs. used      1997-02-02  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52325  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:09:14  

Additional Information
 Earth MOID = 1.49545 au 
 Jupiter MOID = 1.65772 au 
 T_jup = 3.129 
[ 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 13.5   n/a MPO290851  
diameter diameter 5.733 km 0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.135   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56307 (1999 RY125)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

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