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541791 (2011 YU39)
Classification: Main-belt Asteroid          SPK-ID: 2541791
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3543325211804251 1.3451e-07  
a 2.598672410915732 5.1316e-08 au
q 1.677878263833947 3.7894e-07 au
i 27.76623249746862 1.1653e-05 deg
node 335.3752098471111 2.0408e-05 deg
peri 90.35084603997234 5.5662e-05 deg
M 79.17794431017376 2.3411e-05 deg
tp 2458863.967159105710
(2020-Jan-15.46715911)
0.00010071 TDB
period 1530.120840815735
4.19
4.5323e-05
1.241e-07
d
yr
n .2352755353675711 6.969e-09 deg/d
Q 3.519466557997518 6.9499e-08 au
  Orbit Determination Parameters
   # obs. used (total)      261  
   data-arc span      6348 days (17.38 yr)  
   first obs. used      2002-09-02  
   last obs. used      2020-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47881  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:27  

Additional Information
 Earth MOID = .921747 au 
 Jupiter MOID = 2.45455 au 
 T_jup = 3.172 
[ 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 17.1   n/a MPO535743  

541791 (2011 YU39)          Discovered 2008-Mar-12 by CSS at Catalina
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 YU39 = 2008 EK141 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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