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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0337371288914163 4.4429e-08  
a 2.724592770068286 2.2872e-08 au
q 2.632672832607871 1.2371e-07 au
i 5.319826116008056 5.2163e-06 deg
node 146.9406493112466 5.2237e-05 deg
peri 161.4071569202025 9.5596e-05 deg
M 135.4256270584661 7.9798e-05 deg
tp 2458582.555912798554
(2019-Apr-09.05591280)
0.00036523 TDB
period 1642.67189471074
4.50
2.0684e-05
5.663e-08
d
yr
n .2191551466602481 2.7596e-09 deg/d
Q 2.816512707528701 2.3643e-08 au
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      7056 days (19.32 yr)  
   first obs. used      2001-09-19  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60164  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:42:54  

Additional Information
 Earth MOID = 1.61673 au 
 Jupiter MOID = 2.26622 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 16.28   n/a MPCxxxxx  
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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