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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457119.5 (2015-Apr-07.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2382624629650662 4.1376e-08  
q 1.823653979324138 9.6877e-08 au
tp 2457247.266504892720
(2015-Aug-12.76650489)
4.8151e-05 TDB
node 35.15983053176405 1.1507e-05 deg
peri 252.032480235065 1.6652e-05 deg
i 22.48300801317013 5.6609e-06 deg
  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
 Jupiter MOID = 2.41468 au 
 T_jup = 3.391 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.712012560736638E-15 -3.999230612256455E-15 6.079396712451796E-13 2.019021616039747E-15 1.0690337659624E-13 -1.216199600529165E-15
q -3.999230612256455E-15 9.38520760256665E-15 -1.455325020033005E-12 -4.657332503386728E-15 -2.627356559076694E-13 3.386690519832428E-15
tp 6.079396712451796E-13 -1.455325020033005E-12 2.318517158316478E-9 1.739119606547932E-12 5.927563434963774E-10 -5.347414684883833E-12
node 2.019021616039747E-15 -4.657332503386728E-15 1.739119606547932E-12 1.324189781189618E-10 -1.215103188333703E-10 -1.911493598732691E-11
peri 1.0690337659624E-13 -2.627356559076694E-13 5.927563434963774E-10 -1.215103188333703E-10 2.772965420179557E-10 1.653356307956032E-11
i -1.216199600529165E-15 3.386690519832428E-15 -5.347414684883833E-12 -1.911493598732691E-11 1.653356307956032E-11 3.204575872984166E-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 13.4   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

[ 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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