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226802 (2004 RF209)
Classification: Main-belt Asteroid          SPK-ID: 2226802
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1663926251450551 4.777e-08  
a 2.807734964563355 2.3231e-08 au
q 2.340548573098101 1.3848e-07 au
i 11.55909223441225 4.5387e-06 deg
node 249.0074718643984 2.6026e-05 deg
peri 94.55924067521785 2.9509e-05 deg
M 122.9171733949434 1.3733e-05 deg
tp 2458413.764107543889
(2018-Oct-22.26410754)
6.4526e-05 TDB
period 1718.43295326615
4.70
2.1328e-05
5.839e-08
d
yr
n .2094931893128352 2.6001e-09 deg/d
Q 3.274921356028611 2.7097e-08 au
  Orbit Determination Parameters
   # obs. used (total)      445  
   data-arc span      7506 days (20.55 yr)  
   first obs. used      1999-07-13  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49277  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:58:26  

Additional Information
 Earth MOID = 1.36817 au 
 Jupiter MOID = 2.25596 au 
 T_jup = 3.273 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO450051  
diameter diameter 2.643 km 0.300 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.253   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226802 (2004 RF209)          Discovered 2004-Sep-11 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 RF209 = 1999 NU62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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