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541584 (2011 TU8)
Classification: Main-belt Asteroid          SPK-ID: 2541584
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2130179020933678 6.8291e-08  
a 2.421655808074534 2.9775e-08 au
q 1.905799768246278 1.5561e-07 au
i 12.07810935306252 7.1109e-06 deg
node 1.790968922632764 4.6754e-05 deg
peri 26.64724855180225 5.5755e-05 deg
M 206.490620930103 3.4377e-05 deg
tp 2459983.447782199002
(2023-Feb-07.94778220)
0.00013943 TDB
period 1376.470954881718
3.77
2.5386e-05
6.95e-08
d
yr
n .2615383918732489 4.8235e-09 deg/d
Q 2.937511847902791 3.6117e-08 au
  Orbit Determination Parameters
   # obs. used (total)      84  
   data-arc span      4491 days (12.30 yr)  
   first obs. used      2007-10-14  
   last obs. used      2020-01-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58442  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:44  

Additional Information
 Earth MOID = .915894 au 
 Jupiter MOID = 2.55717 au 
 T_jup = 3.452 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458170.5 (2018-Feb-21.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2122537693029059 6.8281e-08  
q 1.908524138117881 1.5535e-07 au
tp 2458606.781726036434
(2019-May-03.28172604)
0.00012187 TDB
node 1.813088321470921 4.6755e-05 deg
peri 26.62404423163395 5.5814e-05 deg
i 12.07564871403828 7.1087e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      84  
   data-arc span      4491 days (12.30 yr)  
   first obs. used      2007-10-14  
   last obs. used      2020-01-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58442  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:44  

Additional Information
 Jupiter MOID = 2.55717 au 
 T_jup = 3.452 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.6622870854969E-15 -1.051371893351558E-14 2.703100341420199E-12 2.340289970408458E-14 4.063364893206257E-13 -9.145335218587331E-15
q -1.051371893351558E-14 2.413423499197993E-14 -4.661924630667407E-12 -7.02065313635646E-14 -5.701069910937196E-13 1.661848609604144E-14
tp 2.703100341420199E-12 -4.661924630667407E-12 1.485347810584621E-8 -1.156378933905387E-10 3.792579209389445E-9 -4.24390022358957E-11
node 2.340289970408458E-14 -7.02065313635646E-14 -1.156378933905387E-10 2.186039058109121E-9 -2.16925943242836E-9 -9.693682984067225E-11
peri 4.063364893206257E-13 -5.701069910937196E-13 3.792579209389445E-9 -2.16925943242836E-9 3.115213472216948E-9 8.522858626680666E-11
i -9.145335218587331E-15 1.661848609604144E-14 -4.24390022358957E-11 -9.693682984067225E-11 8.522858626680666E-11 5.053387723661889E-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 17.4   n/a E2018M39  

541584 (2011 TU8)          Discovered 2007-Oct-14 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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