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541449 (2011 JY8)
Classification: Main-belt Asteroid          SPK-ID: 2541449
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06683984913068262 8.7029e-08  
a 3.164269541274791 6.8426e-08 au
q 2.95277024252717 2.5116e-07 au
i 13.6606046304671 8.5573e-06 deg
node 157.1223844952254 3.2896e-05 deg
peri 185.9747627724774 6.9816e-05 deg
M 147.7463065986691 6.3855e-05 deg
tp 2458356.732554269832
(2018-Aug-26.23255427)
0.00036315 TDB
period 2055.931464249521
5.63
6.6688e-05
1.826e-07
d
yr
n .1751031132408936 5.6798e-09 deg/d
Q 3.375768840022412 7.2999e-08 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      7144 days (19.56 yr)  
   first obs. used      2001-08-23  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5527  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:16  

Additional Information
 Earth MOID = 1.9428 au 
 Jupiter MOID = 2.01669 au 
 T_jup = 3.157 
[ 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 16.45   .35422 MPCxxxxx autocmod 2.8

541449 (2011 JY8)          Discovered 2011-May-01 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 JY8 = 2010 KS138 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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