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226821 (2004 RE259)
Classification: Main-belt Asteroid          SPK-ID: 2226821
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 .08736320834837713 5.1701e-08  
a 2.780830993795875 2.2745e-08 au
q 2.537888676303262 1.3925e-07 au
i 3.928677802692948 5.1157e-06 deg
node 207.6586276612501 9.1426e-05 deg
peri 179.0825205435139 9.8288e-05 deg
M 112.097986895396 3.5907e-05 deg
tp 2458473.081168332979
(2018-Dec-20.58116833)
0.00016805 TDB
period 1693.792945428227
4.64
2.078e-05
5.689e-08
d
yr
n .2125407364410674 2.6076e-09 deg/d
Q 3.023773311288488 2.4732e-08 au
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      8893 days (24.35 yr)  
   first obs. used      1995-09-27  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55219  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:58:45  

Additional Information
 Earth MOID = 1.54207 au 
 Jupiter MOID = 2.38626 au 
 T_jup = 3.324 
[ 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 16.5   n/a MPO454629  
diameter diameter 3.218 km 0.246 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226821 (2004 RE259)          Discovered 2004-Sep-10 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2004 RE259 = 2005 YT195 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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