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541778 (2011 YH15)
Classification: Main-belt Asteroid          SPK-ID: 2541778
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2588307334867963 4.0887e-07  
a 2.583024835474108 9.5994e-08 au
q 1.914458622693733 1.1253e-06 au
i 4.836072099185951 1.0356e-05 deg
node 223.7946583976315 8.0822e-05 deg
peri 202.2330852129396 9.097e-05 deg
M 85.06684081748001 3.4835e-05 deg
tp 2458842.198106426981
(2019-Dec-24.69810643)
0.00012925 TDB
period 1516.321523718578
4.15
8.4528e-05
2.314e-07
d
yr
n .2374166655084785 1.3235e-08 deg/d
Q 3.251591048254483 1.2084e-07 au
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      4385 days (12.01 yr)  
   first obs. used      2008-02-12  
   last obs. used      2020-02-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52069  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:24  

Additional Information
 Earth MOID = .92848 au 
 Jupiter MOID = 2.08176 au 
 T_jup = 3.371 
[ 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 17.56   n/a E2021B25  

541778 (2011 YH15)          Discovered 2011-Dec-26 by Oukaimeden at Oukaimeden
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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