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541681 (2011 UW390)
Classification: Main-belt Asteroid          SPK-ID: 2541681
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2607089350044624 4.5798e-08  
a 2.587449683426926 3.8005e-08 au
q 1.912878432083059 1.1473e-07 au
i 9.146442094545304 1.1734e-05 deg
node 156.6524255520975 4.8915e-05 deg
peri 288.3466487839489 6.6578e-05 deg
M 41.24782217189817 4.5816e-05 deg
tp 2459026.317379885343
(2020-Jun-25.81737989)
0.00019009 TDB
period 1520.219491345592
4.16
3.3494e-05
9.17e-08
d
yr
n .2368079096797748 5.2175e-09 deg/d
Q 3.262020934770794 4.7914e-08 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      4880 days (13.36 yr)  
   first obs. used      2007-12-05  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55813  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:29  

Additional Information
 Earth MOID = .951545 au 
 Jupiter MOID = 2.05345 au 
 T_jup = 3.355 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.70   n/a MPCxxxxx  

541681 (2011 UW390)          Discovered 2011-Sep-24 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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