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541807 (2011 YK78)
Classification: Main-belt Asteroid          SPK-ID: 2541807
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1181671065794045 6.3958e-08  
a 2.667961354399504 4.2489e-08 au
q 2.352696080684445 1.5711e-07 au
i 24.1572672125351 8.3337e-06 deg
node 292.881235633747 1.6822e-05 deg
peri 122.4099473181296 4.9494e-05 deg
M 72.54907608812439 4.2071e-05 deg
tp 2458879.727511060134
(2020-Jan-31.22751106)
0.00018903 TDB
period 1591.723868103875
4.36
3.8024e-05
1.041e-07
d
yr
n .2261698823608433 5.4029e-09 deg/d
Q 2.983226628114562 4.751e-08 au
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      3854 days (10.55 yr)  
   first obs. used      2010-09-18  
   last obs. used      2021-04-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54147  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:36  

Additional Information
 Earth MOID = 1.43228 au 
 Jupiter MOID = 2.33608 au 
 T_jup = 3.248 
[ 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 16.79   n/a MPCxxxxx  

541807 (2011 YK78)          Discovered 2011-Nov-28 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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