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212522 (2006 RY46)
Classification: Main-belt Asteroid          SPK-ID: 2212522
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06742160682824024 7.6675e-08  
a 2.78516270258427 3.1481e-08 au
q 2.597382557897954 2.2246e-07 au
i 5.238027889733544 7.9529e-06 deg
node 30.17975523999451 8.0845e-05 deg
peri 282.5958767065465 0.00010135 deg
M 30.97871842514474 5.7297e-05 deg
tp 2458854.405041500217
(2020-Jan-05.90504150)
0.00027036 TDB
period 1697.752125770065
4.65
2.8785e-05
7.881e-08
d
yr
n .2120450886413772 3.5952e-09 deg/d
Q 2.972942847270585 3.3604e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      9328 days (25.54 yr)  
   first obs. used      1992-09-27  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61823  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 08:30:49  

Additional Information
 Earth MOID = 1.58991 au 
 Jupiter MOID = 2.2098 au 
 T_jup = 3.322 
[ 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 16.2   n/a MPO437020  
diameter diameter 4.050 km 0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.036   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212522 (2006 RY46)          Discovered 2006-Sep-14 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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