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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2589479675354343 2.8173e-07  
a 2.582536803462449 6.3311e-08 au
q 1.91379414712039 7.7168e-07 au
i 4.836777160711171 9.7845e-06 deg
node 223.7907400538214 7.4197e-05 deg
peri 202.1980458583544 8.3731e-05 deg
M 131.6461361532774 3.0982e-05 deg
tp 2458842.163057554614
(2019-Dec-24.66305755)
0.00011267 TDB
period 1515.89180747384
4.15
5.5743e-05
1.526e-07
d
yr
n .2374839670120802 8.7329e-09 deg/d
Q 3.251279459804507 7.9705e-08 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      4827 days (13.22 yr)  
   first obs. used      2008-02-12  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53211  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:01:22  

Additional Information
 Earth MOID = .928107 au 
 Jupiter MOID = 2.08313 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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