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390840 (2004 RL23)
Classification: Main-belt Asteroid          SPK-ID: 2390840
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1338602692783773 3.8919e-08  
a 2.365360132648912 1.5226e-08 au
q 2.04873238835219 8.8168e-08 au
i 7.374798443897667 4.0463e-06 deg
node 154.3104740533535 4.8093e-05 deg
peri 185.6451055159426 5.4718e-05 deg
M 120.4808762959406 2.6662e-05 deg
tp 2458555.807348633244
(2019-Mar-13.30734863)
9.6531e-05 TDB
period 1328.753237972807
3.64
1.283e-05
3.513e-08
d
yr
n .2709306662155184 2.616e-09 deg/d
Q 2.681987876945633 1.7264e-08 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      6137 days (16.80 yr)  
   first obs. used      2003-04-09  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60054  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:35:40  

Additional Information
 Earth MOID = 1.03999 au 
 Jupiter MOID = 2.69273 au 
 T_jup = 3.525 
[ 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 17.3   n/a MPO494982  

390840 (2004 RL23)          Discovered 2004-Sep-07 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2004 RL23 = 2007 JM37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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