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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2384065650286268 1.457e-08  
a 2.394652541191709 8.3136e-09 au
q 1.823751654409121 3.3882e-08 au
i 22.47568931582374 9.0532e-07 deg
node 35.14413527522547 1.5603e-06 deg
peri 251.9377811887692 5.1991e-06 deg
M 159.7836270445112 4.1195e-06 deg
tp 2458599.752513894093
(2019-Apr-26.25251389)
1.3572e-05 TDB
period 1353.512240261514
3.71
7.0485e-06
1.93e-08
d
yr
n .2659746910973217 1.3851e-09 deg/d
Q 2.965553427974296 1.0296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2122  
   data-arc span      12567 days (34.41 yr)  
   first obs. used      1986-10-07  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42855  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:52:12  

Additional Information
 Earth MOID = .925464 au 
 Jupiter MOID = 2.41367 au 
 T_jup = 3.390 
[ 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 13.48   n/a E2021B10  
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

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