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249136 (2007 YR68)
Classification: Main-belt Asteroid          SPK-ID: 2249136
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1195867926964329 5.1087e-08  
a 3.179446428081731 4.8847e-08 au
q 2.799226627197307 1.7209e-07 au
i 16.6497990034762 5.8904e-06 deg
node 78.30642167614397 2.3507e-05 deg
peri 179.5040981817685 3.8366e-05 deg
M 289.2331909376271 2.9495e-05 deg
tp 2459407.554731342295
(2021-Jul-12.05473134)
0.00017172 TDB
period 2070.740580574545
5.67
4.772e-05
1.307e-07
d
yr
n .1738508451406862 4.0064e-09 deg/d
Q 3.559666228966154 5.4688e-08 au
  Orbit Determination Parameters
   # obs. used (total)      326  
   data-arc span      7150 days (19.58 yr)  
   first obs. used      2000-10-01  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57843  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:40:35  

Additional Information
 Earth MOID = 1.78412 au 
 Jupiter MOID = 1.5118 au 
 T_jup = 3.124 
[ 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 MPO427414  
diameter diameter 5.365 km 0.348 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249136 (2007 YR68)          Discovered 2007-Dec-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2007 YR68 = 2004 LL22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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