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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2022147263665806 4.4732e-08  
a 3.108441810183079 2.5057e-08 au
q 2.479869100110469 1.4882e-07 au
i 15.96245988092364 6.4096e-06 deg
node 323.7491801749974 1.7982e-05 deg
peri 311.6044170651552 2.481e-05 deg
M 318.9126888405037 1.8121e-05 deg
tp 2459228.963991382768
(2021-Jan-14.46399138)		 0.00010125 TDB
period 2001.762456017695
5.48		 2.4204e-05
6.627e-08		 d
yr
n .1798415186166414 2.1745e-09 deg/d
Q 3.737014520255689 3.0124e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1103  
   data-arc span      8556 days (23.43 yr)  
   first obs. used      1997-02-02  
   last obs. used      2020-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52445  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:59:56  

Additional Information
 Earth MOID = 1.49476 au 
 Jupiter MOID = 1.66004 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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