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226738 (2004 RY1)
Classification: Main-belt Asteroid          SPK-ID: 2226738
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2172506484463894 1.3631e-07  
a 2.564963662104446 3.3398e-08 au
q 2.007723643270829 3.6867e-07 au
i 26.19258400787451 1.1946e-05 deg
node 305.1345261855129 1.2905e-05 deg
peri 172.2179556769642 4.0945e-05 deg
M 211.4157730708427 2.4326e-05 deg
tp 2459619.784856665905
(2022-Feb-09.28485667)
9.5163e-05 TDB
period 1500.44559242497
4.11
2.9305e-05
8.023e-08
d
yr
n .2399287263846602 4.6861e-09 deg/d
Q 3.122203680938062 4.0654e-08 au
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      4972 days (13.61 yr)  
   first obs. used      2004-09-06  
   last obs. used      2018-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50344  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 08:46:35  

Additional Information
 Earth MOID = 1.02528 au 
 Jupiter MOID = 1.98445 au 
 T_jup = 3.259 
[ 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 15.2   n/a MPO437075  
diameter diameter 4.749 km 0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226738 (2004 RY1)          Discovered 2004-Sep-06 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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