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351241 (2004 RA18)
Classification: Main-belt Asteroid          SPK-ID: 2351241
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 .1868271571127139 5.0838e-08  
a 2.38939879599314 1.0745e-08 au
q 1.9429942117292 1.2315e-07 au
i 1.107481450252397 5.9854e-06 deg
node 182.0493988633535 0.00022962 deg
peri 218.9226542927811 0.0002303 deg
M 52.39332379824553 1.3799e-05 deg
tp 2458804.161785338163
(2019-Nov-16.66178534)
5.1775e-05 TDB
period 1349.060379342232
3.69
9.0998e-06
2.491e-08
d
yr
n .2668524000204698 1.8e-09 deg/d
Q 2.835803380257079 1.2752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      278  
   data-arc span      6496 days (17.79 yr)  
   first obs. used      2002-02-11  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56965  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 20:19:43  

Additional Information
 Earth MOID = .951365 au 
 Jupiter MOID = 2.57058 au 
 T_jup = 3.509 
[ 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 17.5   n/a MPO455542  

351241 (2004 RA18)          Discovered 2004-Sep-07 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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