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249128 (2007 YS23)
Classification: Main-belt Asteroid          SPK-ID: 2249128
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03374327653146384 4.926e-08  
a 3.06155594203852 4.2717e-08 au
q 2.958249013269768 1.4259e-07 au
i 10.58049074462358 9.4682e-06 deg
node 41.2100778087369 3.7156e-05 deg
peri 65.42741443017012 0.00016331 deg
M 77.98852126609853 0.00015798 deg
tp 2458576.622942278989
(2019-Apr-03.12294228)
0.00085737 TDB
period 1956.643597060955
5.36
4.0951e-05
1.121e-07
d
yr
n .183988540652345 3.8507e-09 deg/d
Q 3.164862870807272 4.4158e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      5868 days (16.07 yr)  
   first obs. used      2004-03-30  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57165  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:40:34  

Additional Information
 Earth MOID = 1.9929 au 
 Jupiter MOID = 1.90597 au 
 T_jup = 3.207 
[ 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 15.8   n/a MPO422967  
diameter diameter 4.318 km 0.459 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.060   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

249128 (2007 YS23)          Discovered 2007-Dec-17 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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