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379397 (2009 YY20)
Classification: Main-belt Asteroid          SPK-ID: 2379397
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03008209849786566 6.0414e-08  
a 2.789086546650756 3.937e-08 au
q 2.705184970435336 1.7216e-07 au
i 6.067873864249197 6.3253e-06 deg
node 68.54643764629732 8.9995e-05 deg
peri 2.365275456811277 0.00019751 deg
M 121.2811527601018 0.00017657 deg
tp 2458427.331613504043
(2018-Nov-04.83161350)
0.00083078 TDB
period 1701.341176618704
4.66
3.6024e-05
9.863e-08
d
yr
n .2115977705985314 4.4803e-09 deg/d
Q 2.872988122866176 4.0555e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      5612 days (15.36 yr)  
   first obs. used      2004-12-10  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66389  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:29:10  

Additional Information
 Earth MOID = 1.71933 au 
 Jupiter MOID = 2.2185 au 
 T_jup = 3.321 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO418929  

379397 (2009 YY20)          Discovered 2009-Dec-27 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

Alternate Designations
 2009 YY20 = 2004 XG113 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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