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541550 (2011 SR68)
Classification: Inner Main-belt Asteroid          SPK-ID: 2541550
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08020049901870675 4.7482e-08  
a 1.887182954496446 1.4851e-08 au
q 1.735829939806234 9.1503e-08 au
i 26.12801456777144 1.0476e-05 deg
node 191.0801738999861 2.3187e-05 deg
peri 143.7653206728181 8.4703e-05 deg
M 298.926318875494 8.08e-05 deg
tp 2459557.146412394115
(2021-Dec-08.64641239)
0.00021231 TDB
period 946.9333990853198
2.59
1.1178e-05
3.06e-08
d
yr
n .3801745723064981 4.4877e-09 deg/d
Q 2.038535969186658 1.6042e-08 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      3589 days (9.83 yr)  
   first obs. used      2011-08-30  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55279  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 17:12:39  

Additional Information
 Earth MOID = .752927 au 
 Jupiter MOID = 3.18179 au 
 T_jup = 3.835 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458505.5 (2019-Jan-22.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07993669401448987 4.746e-08  
q 1.736406553635731 9.1385e-08 au
tp 2458609.757386136715
(2019-May-06.25738614)
0.00021466 TDB
node 191.0912409934329 2.3187e-05 deg
peri 143.6027221917466 8.4982e-05 deg
i 26.12668854895299 1.0477e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      3589 days (9.83 yr)  
   first obs. used      2011-08-30  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55279  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 17:12:39  

Additional Information
 Jupiter MOID = 3.18179 au 
 T_jup = 3.835 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.252420739347455E-15 -4.288516665887422E-15 1.044926332266734E-12 -1.870614448603858E-14 3.592585100587706E-13 -9.116558887277301E-15
q -4.288516665887422E-15 8.351187743753483E-15 -2.431897390449994E-12 4.250855591948198E-14 -8.70545697593148E-13 2.328826453179588E-14
tp 1.044926332266734E-12 -2.431897390449994E-12 4.607839646810442E-8 1.755709524668697E-10 1.765205467372784E-8 5.671311917063177E-11
node -1.870614448603858E-14 4.250855591948198E-14 1.755709524668697E-10 5.376522957426863E-10 -4.148304710378729E-10 1.766222944505346E-10
peri 3.592585100587706E-13 -8.70545697593148E-13 1.765205467372784E-8 -4.148304710378729E-10 7.2219772170068E-9 -1.363359528468942E-10
i -9.116558887277301E-15 2.328826453179588E-14 5.671311917063177E-11 1.766222944505346E-10 -1.363359528468942E-10 1.097623283000028E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.3   n/a MPO535741  

541550 (2011 SR68)          Discovered 2011-Aug-30 by Piszkesteto at Piszkesteto
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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