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15226 (1986 UP)
Classification: Main-belt Asteroid          SPK-ID: 2015226
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2383064471775843 1.4573e-08  
a 2.394832659732197 8.3276e-09 au
q 1.824128597006572 3.3896e-08 au
i 22.47473592168889 9.0517e-07 deg
node 35.1345860072066 1.5603e-06 deg
peri 251.9652025760934 5.1945e-06 deg
M 211.8811901130211 4.3085e-06 deg
tp 2459953.453449838282
(2023-Jan-08.95344984)
1.8372e-05 TDB
period 1353.664953794688
3.71
7.0607e-06
1.933e-08
d
yr
n .2659446851976353 1.3872e-09 deg/d
Q 2.965536722457821 1.0312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2139  
   data-arc span      12659 days (34.66 yr)  
   first obs. used      1986-10-07  
   last obs. used      2021-06-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42783  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:25:38  

Additional Information
 Earth MOID = .927339 au 
 Jupiter MOID = 2.41261 au 
 T_jup = 3.390 
[ 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 13.50   n/a MPCxxxxx  
diameter diameter 4.203 km 0.208 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.053 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.631   0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15226 (1986 UP)          Discovered 1986-Oct-28 by Vavrova, Z. at Klet
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1986 UP = 1997 UZ26 = 2000 GL75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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