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249135 (2007 YR64)
Classification: Main-belt Asteroid          SPK-ID: 2249135
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2461328566318234 3.352e-08  
a 2.702714859540533 2.4202e-08 au
q 2.037487930500544 8.9225e-08 au
i 10.03367024311351 5.1026e-06 deg
node 97.21473100273293 2.8516e-05 deg
peri 235.5156667104644 3.1694e-05 deg
M 62.0679475684998 1.1018e-05 deg
tp 2458720.689727267038
(2019-Aug-25.18972727)
5.0148e-05 TDB
period 1622.926198303821
4.44
2.1799e-05
5.968e-08
d
yr
n .2218215470156616 2.9795e-09 deg/d
Q 3.367941788580522 3.0159e-08 au
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      5755 days (15.76 yr)  
   first obs. used      2004-02-18  
   last obs. used      2019-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56352  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:44:12  

Additional Information
 Earth MOID = 1.04573 au 
 Jupiter MOID = 2.05292 au 
 T_jup = 3.301 
[ 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 16.0   n/a MPO440259  
diameter diameter 4.125 km 0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249135 (2007 YR64)          Discovered 2007-Dec-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2007 YR64 = 2004 DN22 = 2006 TF55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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