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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458068.5 (2017-Nov-11.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2577057704628346 2.8069e-07  
q 1.918498333781414 7.6699e-07 au
tp 2457325.079572823802
(2015-Oct-29.57957282)
7.5076e-05 TDB
node 223.800880519986 7.417e-05 deg
peri 202.2161727892089 8.3894e-05 deg
i 4.835494442951754 9.7832e-06 deg
  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
 Jupiter MOID = 2.08313 au 
 T_jup = 3.371 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.878495271864504E-14 -2.152324008319336E-13 -1.465545739505264E-11 7.901122020422983E-13 -9.918989851403026E-12 -2.976711889347867E-13
q -2.152324008319336E-13 5.882689501688883E-13 3.976446951966193E-11 -2.161017403596218E-12 2.705349733938937E-11 8.161310435382718E-13
tp -1.465545739505264E-11 3.976446951966193E-11 5.636480425864931E-9 -1.551952017145994E-10 2.785290124223587E-9 4.442922986572807E-11
node 7.901122020422983E-13 -2.161017403596218E-12 -1.551952017145994E-10 5.501130284148124E-9 -5.574686077398578E-9 1.683884794689934E-10
peri -9.918989851403026E-12 2.705349733938937E-11 2.785290124223587E-9 -5.574686077398578E-9 7.03825025496883E-9 -1.365781487907957E-10
i -2.976711889347867E-13 8.161310435382718E-13 4.442922986572807E-11 1.683884794689934E-10 -1.365781487907957E-10 9.571188638762206E-11

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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