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541629 (2011 UF157)
Classification: Main-belt Asteroid          SPK-ID: 2541629
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2659973369289707 2.5976e-07  
a 2.541899050330684 3.1539e-08 au
q 1.865760672200442 6.8191e-07 au
i 2.83706576152119 1.0312e-05 deg
node 202.9994881958775 0.00010511 deg
peri 208.46962235 0.00011121 deg
M 90.9239209876291 2.6969e-05 deg
tp 2458826.637823202812
(2019-Dec-09.13782320)
0.00010563 TDB
period 1480.252745207718
4.05
2.755e-05
7.543e-08
d
yr
n .2432017107656048 4.5263e-09 deg/d
Q 3.218037428460925 3.9928e-08 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      5380 days (14.73 yr)  
   first obs. used      2005-05-04  
   last obs. used      2020-01-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49744  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:53  

Additional Information
 Earth MOID = .87629 au 
 Jupiter MOID = 2.16865 au 
 T_jup = 3.393 
[ 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 17.5   n/a MPO535741  
diameter diameter 2.452 km 0.519 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.029   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

541629 (2011 UF157)          Discovered 2005-May-04 by Mauna Kea at Mauna Kea
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 UF157 = 2005 JY6 = 2007 XL14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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