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227576 (2005 YZ231)
Classification: Main-belt Asteroid          SPK-ID: 2227576
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03200502533992838 6.247e-08  
a 2.798892454463824 2.6957e-08 au
q 2.709313830534975 1.7535e-07 au
i 2.377831040399883 4.7412e-06 deg
node 267.0671762393301 0.00015716 deg
peri 270.8304755560939 0.00017367 deg
M 347.5088739891759 7.4102e-05 deg
tp 2459259.844002274920
(2021-Feb-14.34400227)
0.00035206 TDB
period 1710.321455444328
4.68
2.4709e-05
6.765e-08
d
yr
n .2104867473035792 3.0409e-09 deg/d
Q 2.888471078392674 2.782e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      6944 days (19.01 yr)  
   first obs. used      2002-03-09  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59583  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:40:19  

Additional Information
 Earth MOID = 1.71272 au 
 Jupiter MOID = 2.08129 au 
 T_jup = 3.324 
[ 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 16.3   n/a MPO454635  

227576 (2005 YZ231)          Discovered 2005-Dec-28 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2005 YZ231 = 2008 LR4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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