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JPL Small-Body Database Browser
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154909 (2004 RL326)
Classification: Main-belt Asteroid          SPK-ID: 2154909
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03347083083387312 7.0358e-08  
a 2.748084076737621 2.2129e-08 au
q 2.656103419487875 1.9234e-07 au
i 4.594925588699057 5.4242e-06 deg
node 243.6282628992116 8.2674e-05 deg
peri 107.0605923373002 0.00011453 deg
M 169.4069111090784 8.1921e-05 deg
tp 2458217.481409156324
(2018-Apr-08.98140916)
0.00037714 TDB
period 1663.962177565595
4.56
2.0099e-05
5.503e-08
d
yr
n .2163510714688757 2.6133e-09 deg/d
Q 2.840064733987366 2.287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      319  
   data-arc span      10256 days (28.08 yr)  
   first obs. used      1991-12-08  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51367  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 20:06:19  

Additional Information
 Earth MOID = 1.65435 au 
 Jupiter MOID = 2.30067 au 
 T_jup = 3.341 
[ 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 16.0   n/a MPO412914  

154909 (2004 RL326)          Discovered 2004-Sep-13 by NEAT at Palomar
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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