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541636 (2011 UE189)
Classification: Main-belt Asteroid          SPK-ID: 2541636
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2499351999721656 8.7384e-08  
a 3.087090500690671 7.2013e-08 au
q 2.315517919068376 2.5795e-07 au
i 5.382400613448012 1.2932e-05 deg
node 162.2703847209215 0.00010171 deg
peri 262.9499291641982 0.00010588 deg
M 233.8348149728332 3.3681e-05 deg
tp 2459894.819715043362
(2022-Nov-11.31971504)
0.00020445 TDB
period 1981.173311494673
5.42
6.9323e-05
1.898e-07
d
yr
n .1817105035239962 6.3582e-09 deg/d
Q 3.858663082312967 9.0012e-08 au
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      7204 days (19.72 yr)  
   first obs. used      2000-10-01  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .71993  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:56  

Additional Information
 Earth MOID = 1.33593 au 
 Jupiter MOID = 1.52448 au 
 T_jup = 3.171 
[ show covariance matrix ]

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 16.92   .36858 E2021B25 autocmod 2.8

541636 (2011 UE189)          Discovered 2011-Sep-26 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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