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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2384065757926545 4.14e-08  
a 2.394652541412695 8.7901e-09 au
q 1.823751628801316 9.6866e-08 au
i 22.47569039986749 4.4773e-06 deg
node 35.1441060416956 1.0472e-05 deg
peri 251.9377972401429 1.4251e-05 deg
M 159.7836404028144 1.2027e-05 deg
tp 2458599.752463586971
(2019-Apr-26.25246359)
4.4004e-05 TDB
period 1353.512240448873
3.71
7.4526e-06
2.04e-08
d
yr
n .2659746910605043 1.4645e-09 deg/d
Q 2.965553454024073 1.0886e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2048  
   data-arc span      12523 days (34.29 yr)  
   first obs. used      1986-10-07  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42762  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:22:50  

Additional Information
 Earth MOID = .925464 au 
 Jupiter MOID = 2.41367 au 
 T_jup = 3.390 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457512.5 (2016-May-04.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2384184681403908 4.1319e-08  
q 1.823515192168064 9.6669e-08 au
tp 2457247.243952433099
(2015-Aug-12.74395243)
4.219e-05 TDB
node 35.15489500824098 1.0467e-05 deg
peri 252.0232603309138 1.4256e-05 deg
i 22.48354606129292 4.4786e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2048  
   data-arc span      12523 days (34.29 yr)  
   first obs. used      1986-10-07  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42762  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:22:50  

Additional Information
 Jupiter MOID = 2.41367 au 
 T_jup = 3.390 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.707238087028398E-15 -3.985926858269575E-15 5.724459704155739E-13 -3.509879883386065E-15 1.006723942158522E-13 2.908032853951461E-15
q -3.985926858269575E-15 9.344910740995792E-15 -1.324247439753395E-12 8.482712195676436E-15 -2.328656200429676E-13 -6.489719787137614E-15
tp 5.724459704155739E-13 -1.324247439753395E-12 1.779999950496213E-9 -2.500570731344303E-12 4.224872060462907E-10 -2.292005626057557E-12
node -3.509879883386065E-15 8.482712195676436E-15 -2.500570731344303E-12 1.095497253300181E-10 -1.013669913024474E-10 -2.623867684429277E-12
peri 1.006723942158522E-13 -2.328656200429676E-13 4.224872060462907E-10 -1.013669913024474E-10 2.032340775815724E-10 1.99833207563891E-12
i 2.908032853951461E-15 -6.489719787137614E-15 -2.292005626057557E-12 -2.623867684429277E-12 1.99833207563891E-12 2.005821039349396E-11

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

[ show close-approach data ]
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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