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469911 (2005 YR51)
Classification: Main-belt Asteroid          SPK-ID: 2469911
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09596859750849088 1.0003e-07  
a 2.578537200047736 3.9253e-08 au
q 2.331078601335684 2.4331e-07 au
i 11.62584172387471 1.0104e-05 deg
node 275.2831365156314 4.339e-05 deg
peri 242.6323564459169 6.5989e-05 deg
M 129.0235341562343 5.4589e-05 deg
tp 2458458.467956383278
(2018-Dec-05.96795638)
0.0002265 TDB
period 1512.371653575507
4.14
3.4534e-05
9.455e-08
d
yr
n .2380367280416146 5.4354e-09 deg/d
Q 2.825995798759789 4.302e-08 au
  Orbit Determination Parameters
   # obs. used (total)      69  
   data-arc span      4899 days (13.41 yr)  
   first obs. used      2005-12-02  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52889  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:19:10  

Additional Information
 Earth MOID = 1.36752 au 
 Jupiter MOID = 2.29529 au 
 T_jup = 3.391 
[ 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 17.2   n/a MPO428112  

469911 (2005 YR51)          Discovered 2005-Dec-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-08-22

Alternate Designations
 2005 YR51 = 2009 WE213 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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