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JPL Small-Body Database Browser
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249794 (2000 YO21)
Classification: Main-belt Asteroid          SPK-ID: 2249794
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .117627756612035 4.8886e-08  
a 3.174814828612147 3.8049e-08 au
q 2.801368482663877 1.5606e-07 au
i 20.91217016051531 5.9098e-06 deg
node 160.8560881149132 1.5733e-05 deg
peri 276.5252254397072 3.1874e-05 deg
M 123.1353911235865 3.1088e-05 deg
tp 2457893.765291585916
(2017-May-20.26529159)
0.00017465 TDB
period 2066.217459558104
5.66
3.7144e-05
1.017e-07
d
yr
n .1742314190283689 3.1321e-09 deg/d
Q 3.548261174560416 4.2524e-08 au
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      7231 days (19.80 yr)  
   first obs. used      1999-10-08  
   last obs. used      2019-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68823  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:19:07  

Additional Information
 Earth MOID = 1.91153 au 
 Jupiter MOID = 1.80253 au 
 T_jup = 3.088 
[ 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 15.3   n/a MPO437160  
diameter diameter 5.677 km 0.368 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249794 (2000 YO21)          Discovered 2000-Dec-28 by NEAT at Haleakala
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 2000 YO21 = 2007 DU60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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