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JPL Small-Body Database Browser
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393657 (2004 RS9)
Classification: Mars-crossing Asteroid          SPK-ID: 2393657
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 .2813046462821152 5.558e-08  
a 2.302796403039208 1.1688e-08 au
q 1.655009075422536 1.2676e-07 au
i 20.24349602573037 7.5626e-06 deg
node 220.1484912831363 1.6559e-05 deg
peri 102.1563067015769 2.2023e-05 deg
M 194.0183719756868 1.2694e-05 deg
tp 2459588.990233514688
(2022-Jan-09.49023351)
4.7367e-05 TDB
period 1276.385143265702
3.49
9.7174e-06
2.66e-08
d
yr
n .2820465295286342 2.1473e-09 deg/d
Q 2.950583730655879 1.4976e-08 au
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      5212 days (14.27 yr)  
   first obs. used      2004-09-06  
   last obs. used      2018-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5873  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:49:00  

Additional Information
 Earth MOID = .772567 au 
 Jupiter MOID = 2.73189 au 
 T_jup = 3.457 
[ 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 18.0   n/a MPO472040  

393657 (2004 RS9)          Discovered 2004-Sep-06 by LINEAR at Socorro
Reference: Last Updated: 2014-05-15
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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