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541772 (2011 YY7)
Classification: Main-belt Asteroid          SPK-ID: 2541772
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1859929557584828 1.2389e-07  
a 2.585208555354736 3.7168e-08 au
q 2.104377974892191 3.3898e-07 au
i 7.177323069130584 1.0844e-05 deg
node 259.6031395384699 5.205e-05 deg
peri 160.1308528053065 5.9403e-05 deg
M 86.56400242905394 2.1746e-05 deg
tp 2458835.429591842049
(2019-Dec-17.92959184)
9.0835e-05 TDB
period 1518.24480441019
4.16
3.2742e-05
8.964e-08
d
yr
n .2371159110535231 5.1135e-09 deg/d
Q 3.06603913581728 4.408e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      4731 days (12.95 yr)  
   first obs. used      2008-02-29  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42947  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:23  

Additional Information
 Earth MOID = 1.11817 au 
 Jupiter MOID = 2.26977 au 
 T_jup = 3.387 
[ 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 17.52   n/a E2021B25  

541772 (2011 YY7)          Discovered 2011-Nov-18 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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