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JPL Small-Body Database Browser
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154831 (2004 RY13)
Classification: Main-belt Asteroid          SPK-ID: 2154831
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08222427065213228 4.4312e-08  
a 2.755254539434091 2.4156e-08 au
q 2.528705744468146 1.1744e-07 au
i 4.906289387546735 6.3455e-06 deg
node 163.6295060844863 5.4666e-05 deg
peri 261.3602456791705 6.7752e-05 deg
M 81.05452947090529 3.8717e-05 deg
tp 2458624.389199437414
(2019-May-20.88919944)
0.0001797 TDB
period 1670.47898601562
4.57
2.1968e-05
6.015e-08
d
yr
n .2155070509798282 2.8341e-09 deg/d
Q 2.981803334400036 2.6142e-08 au
  Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      8899 days (24.36 yr)  
   first obs. used      1995-08-26  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60004  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 20:05:58  

Additional Information
 Earth MOID = 1.54778 au 
 Jupiter MOID = 2.25483 au 
 T_jup = 3.334 
[ 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 15.9   n/a MPO454006  

154831 (2004 RY13)          Discovered 2004-Sep-06 by Siding Spring Survey at Siding Spring
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

Alternate Designations
 2004 RY13 = 2002 GS27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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