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344911 (2004 RF218)
Classification: Inner Main-belt Asteroid          SPK-ID: 2344911
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08711376219781231 5.0335e-08  
a 1.896539654099044 8.4679e-09 au
q 1.731324949673138 9.4177e-08 au
i 21.08388452712554 6.9795e-06 deg
node 210.2746991051039 1.0855e-05 deg
peri 111.598452099508 5.6462e-05 deg
M 43.33322787628621 5.1893e-05 deg
tp 2458885.668811905505
(2020-Feb-06.16881191)
0.00013721 TDB
period 953.984499655535
2.61
6.3892e-06
1.749e-08
d
yr
n .3773646218884991 2.5274e-09 deg/d
Q 2.061754358524949 9.2056e-09 au
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      6611 days (18.10 yr)  
   first obs. used      2001-05-23  
   last obs. used      2019-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53728  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:31:17  

Additional Information
 Earth MOID = .795502 au 
 Jupiter MOID = 3.13045 au 
 T_jup = 3.866 
[ 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 MPO476593  

344911 (2004 RF218)          Discovered 2004-Sep-11 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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