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243265 (2007 YR61)
Classification: Main-belt Asteroid          SPK-ID: 2243265
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03380831158272991 4.492e-08  
a 2.723948324312073 2.3643e-08 au
q 2.631856230628476 1.2599e-07 au
i 5.319804843484268 5.3263e-06 deg
node 146.9447926116375 5.3024e-05 deg
peri 161.0196930627174 9.7731e-05 deg
M 91.97396178428511 8.1736e-05 deg
tp 2458580.973772470047
(2019-Apr-07.47377247)
0.00037375 TDB
period 1642.089119364088
4.50
2.1379e-05
5.853e-08
d
yr
n .2192329245439571 2.8543e-09 deg/d
Q 2.816040417995671 2.4442e-08 au
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      6580 days (18.02 yr)  
   first obs. used      2001-09-19  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61086  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:14:17  

Additional Information
 Earth MOID = 1.61789 au 
 Jupiter MOID = 2.26743 au 
 T_jup = 3.350 
[ 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 MPO450091  
diameter diameter 2.852 km 0.506 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243265 (2007 YR61)          Discovered 2007-Dec-20 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2007 YR61 = 2001 SP189 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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