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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2385235044153906 4.1435e-08  
a 2.394251991361744 9.1298e-09 au
q 1.823166615928614 9.7014e-08 au
i 22.47843962694373 5.6595e-06 deg
node 35.15019030093982 1.1511e-05 deg
peri 251.8964890350474 1.6635e-05 deg
M 106.6242641300544 1.3078e-05 deg
tp 2458599.719337391943
(2019-Apr-26.21933739)
4.8708e-05 TDB
period 1353.172654611848
3.70
7.7399e-06
2.119e-08
d
yr
n .2660414388164417 1.5217e-09 deg/d
Q 2.965337366794875 1.1307e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1822  
   data-arc span      12442 days (34.06 yr)  
   first obs. used      1986-10-07  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43634  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:34:59  

Additional Information
 Earth MOID = .926204 au 
 Jupiter MOID = 2.41468 au 
 T_jup = 3.391 
[ 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 13.4   n/a MPO400156  
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. 2019-August); 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2109-May-18 22:40 < 00:01 Inter 0.0224531445717863 0.0224423806430133 0.0224639107989244 10.6037880719405 10.6037880104539 2491494.444272465 0.333900047105612 645.829307723284 39.811889298087 -33.861849903677 47198.704164215 T 32 CATAB v2.0f-lin.ifort 2020-Nov-13 02:35:04 2020-Nov-13 02:35

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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