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541598 (2011 UA41)
Classification: Outer Main-belt Asteroid          SPK-ID: 2541598
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1924875383016618 8.0448e-08  
a 3.972380440175315 7.821e-08 au
q 3.207746708048297 3.005e-07 au
i 1.344881661452136 7.9335e-06 deg
node 272.2890347814014 0.00038364 deg
peri 156.4620557950549 0.00038985 deg
M 52.02003606541875 5.2034e-05 deg
tp 2458978.628427678743
(2020-May-09.12842768)
0.00041573 TDB
period 2891.842786238592
7.92
8.5404e-05
2.338e-07
d
yr
n .124488095173476 3.6765e-09 deg/d
Q 4.737014172302333 9.3265e-08 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      6358 days (17.41 yr)  
   first obs. used      2003-09-18  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60712  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:46  

Additional Information
 Earth MOID = 2.22179 au 
 Jupiter MOID = .584391 au 
 T_jup = 3.024 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458375.5 (2018-Sep-14.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1915812854834014 8.0673e-08  
q 3.207379224249392 3.0074e-07 au
tp 2458979.656680782844
(2020-May-10.15668078)
0.00041758 TDB
node 272.305460452127 0.00038363 deg
peri 156.6394197500378 0.00038989 deg
i 1.345320464432196 7.9352e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      6358 days (17.41 yr)  
   first obs. used      2003-09-18  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60712  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:46  

Additional Information
 Jupiter MOID = .584391 au 
 T_jup = 3.024 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.508123990711899E-15 -2.380810931953297E-14 6.40992642018115E-12 1.842226402316608E-14 1.177763309555645E-12 -2.262182641003396E-15
q -2.380810931953297E-14 9.044242967310637E-14 -2.089321411013708E-11 -9.519351926566278E-15 -4.087921574452496E-12 7.057275132629286E-15
tp 6.40992642018115E-12 -2.089321411013708E-11 1.743717430335041E-7 4.816689838745488E-10 2.917563128095577E-8 2.048837563789312E-11
node 1.842226402316608E-14 -9.519351926566278E-15 4.816689838745488E-10 1.471689507705365E-7 -1.47046598336595E-7 -7.507480229383708E-10
peri 1.177763309555645E-12 -4.087921574452496E-12 2.917563128095577E-8 -1.47046598336595E-7 1.520120682903942E-7 7.540163582618692E-10
i -2.262182641003396E-15 7.057275132629286E-15 2.048837563789312E-11 -7.507480229383708E-10 7.540163582618692E-10 6.296808416742298E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.22   n/a MPCxxxxx  

541598 (2011 UA41)          Discovered 2003-Sep-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Alternate Designations
 2011 UA41 = 2003 SO356 = 2011 WZ155 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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