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357420 (2003 YY20)
Classification: Main-belt Asteroid          SPK-ID: 2357420
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1424430366230015 7.9102e-08  
a 2.642523479360257 2.7725e-08 au
q 2.266114410612602 2.0651e-07 au
i 5.645360037998067 1.0223e-05 deg
node 299.4624274099738 8.0991e-05 deg
peri 154.0667908182318 9.5528e-05 deg
M 307.0470458022577 4.9588e-05 deg
tp 2459231.288626380191
(2021-Jan-16.78862638)
0.00021794 TDB
period 1569.013603785134
4.30
2.4693e-05
6.761e-08
d
yr
n .229443517335685 3.6109e-09 deg/d
Q 3.018932548107911 3.1674e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      5765 days (15.78 yr)  
   first obs. used      2003-12-17  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62121  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 11:08:01  

Additional Information
 Earth MOID = 1.28443 au 
 Jupiter MOID = 2.15167 au 
 T_jup = 3.373 
[ 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 16.9   n/a MPO494859  

357420 (2003 YY20)          Discovered 2003-Dec-17 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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