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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03402588523357189 5.3215e-08  
a 3.062832694388822 6.1856e-08 au
q 2.958617100639917 1.7802e-07 au
i 10.57988159551478 1.0672e-05 deg
node 41.22035401227987 3.7409e-05 deg
peri 65.94247088186495 0.0001867 deg
M 3.894987205631858 0.000186 deg
tp 2458579.317028931798
(2019-Apr-05.81702893)
0.0010113 TDB
period 1957.867685297241
5.36
5.9311e-05
1.624e-07
d
yr
n .183873508257707 5.5702e-09 deg/d
Q 3.167048288137728 6.3961e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      5393 days (14.77 yr)  
   first obs. used      2004-03-30  
   last obs. used      2019-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65203  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:55:22  

Additional Information
 Earth MOID = 1.99358 au 
 Jupiter MOID = 1.905 au 
 T_jup = 3.206 
[ 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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