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226757 (2004 RX61)
Classification: Main-belt Asteroid          SPK-ID: 2226757
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .205616684137586 4.8433e-08  
a 2.795968100664359 1.6884e-08 au
q 2.221070410851289 1.3608e-07 au
i 4.539600746294874 5.6822e-06 deg
node 173.2206057002019 5.9719e-05 deg
peri 186.1036597194123 6.0973e-05 deg
M 124.4683455100168 1.1383e-05 deg
tp 2458410.090738894158
(2018-Oct-18.59073889)
5.3295e-05 TDB
period 1707.641674894747
4.68
1.5468e-05
4.235e-08
d
yr
n .2108170615021967 1.9096e-09 deg/d
Q 3.370865790477429 2.0355e-08 au
  Orbit Determination Parameters
   # obs. used (total)      366  
   data-arc span      8874 days (24.30 yr)  
   first obs. used      1995-10-17  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58402  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:57:34  

Additional Information
 Earth MOID = 1.21764 au 
 Jupiter MOID = 2.08244 au 
 T_jup = 3.291 
[ 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 16.3   n/a MPO459998  
diameter diameter 3.111 km 0.833 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226757 (2004 RX61)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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