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541540 (2011 SM34)
Classification: Main-belt Asteroid          SPK-ID: 2541540
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2172875826277669 5.2679e-07  
a 2.425156849612418 1.1284e-07 au
q 1.898200380266965 1.191e-06 au
i 7.403889219368481 5.659e-06 deg
node 26.3480749939861 7.1453e-05 deg
peri 13.1742844140761 0.00010081 deg
M 191.9273574162882 3.1301e-05 deg
tp 2460040.524965523929
(2023-Apr-06.02496552)
0.00014259 TDB
period 1379.457025393871
3.78
9.6277e-05
2.636e-07
d
yr
n .2609722473211593 1.8214e-08 deg/d
Q 2.952113318957871 1.3736e-07 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      3055 days (8.36 yr)  
   first obs. used      2011-09-20  
   last obs. used      2020-01-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51424  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:35  

Additional Information
 Earth MOID = .906001 au 
 Jupiter MOID = 2.48342 au 
 T_jup = 3.467 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458222.5 (2018-Apr-14.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2165873593351018 5.2624e-07  
q 1.900634711745425 1.1871e-06 au
tp 2458661.055717133167
(2019-Jun-26.55571713)
0.00011293 TDB
node 26.36665659651527 7.1444e-05 deg
peri 13.19911122635746 0.00010133 deg
i 7.402990891062272 5.6583e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      3055 days (8.36 yr)  
   first obs. used      2011-09-20  
   last obs. used      2020-01-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51424  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:35  

Additional Information
 Jupiter MOID = 2.48342 au 
 T_jup = 3.467 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.769326149487197E-13 -6.246654303773844E-13 -1.123755660746486E-11 -1.767879458091022E-12 -3.349056377345221E-11 -2.945973756496721E-13
q -6.246654303773844E-13 1.409319356696713E-12 2.631527171957439E-11 3.993443196045841E-12 7.580748995324846E-11 6.601141865531525E-13
tp -1.123755660746486E-11 2.631527171957439E-11 1.275393155989781E-8 9.644269187336301E-11 5.170089291107908E-9 -4.94458474346645E-11
node -1.767879458091022E-12 3.993443196045841E-12 9.644269187336301E-11 5.104278670532188E-9 -4.829312348198311E-9 3.505522175973827E-11
peri -3.349056377345221E-11 7.580748995324846E-11 5.170089291107908E-9 -4.829312348198311E-9 1.026874192704583E-8 -1.64383323239316E-11
i -2.945973756496721E-13 6.601141865531525E-13 -4.94458474346645E-11 3.505522175973827E-11 -1.64383323239316E-11 3.20168555540292E-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 17.7   n/a MPO535741  

541540 (2011 SM34)          Discovered 2011-Sep-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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