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18926 (2000 PO26)
Classification: Main-belt Asteroid          SPK-ID: 2018926
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1073488167008606 3.2834e-08  
a 2.204497446311426 6.7758e-09 au
q 1.967847254029825 7.4282e-08 au
i 4.110102725516733 3.2438e-06 deg
node 169.0029090986266 4.6259e-05 deg
peri 160.7676376929217 4.8422e-05 deg
M 103.5870990655178 1.5037e-05 deg
tp 2458856.494016061269
(2020-Jan-07.99401606)
4.9617e-05 TDB
period 1195.536464821882
3.27
5.512e-06
1.509e-08
d
yr
n .3011200499464772 1.3883e-09 deg/d
Q 2.441147638593026 7.5032e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1416  
   data-arc span      11133 days (30.48 yr)  
   first obs. used      1990-08-28  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51683  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:42:35  

Additional Information
 Earth MOID = .955537 au 
 Jupiter MOID = 2.83765 au 
 T_jup = 3.651 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457173.5 (2015-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1074986320448003 3.2748e-08  
q 1.967645223694992 7.4094e-08 au
tp 2457661.784009749393
(2016-Sep-30.28400975)
4.8938e-05 TDB
node 169.0468342187887 4.6255e-05 deg
peri 160.8936121626623 4.8421e-05 deg
i 4.109946928595966 3.2437e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1416  
   data-arc span      11133 days (30.48 yr)  
   first obs. used      1990-08-28  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51683  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:42:35  

Additional Information
 Jupiter MOID = 2.83765 au 
 T_jup = 3.651 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.072414505033787E-15 -2.418860759130088E-15 -3.582361758899976E-13 5.658038532978682E-15 -8.827746886462482E-14 -5.423174599289533E-16
q -2.418860759130088E-15 5.489868846253999E-15 8.094904521920188E-13 -1.302447498064865E-14 1.958659491524037E-13 1.336061689749205E-15
tp -3.582361758899976E-13 8.094904521920188E-13 2.394939640008097E-9 -3.558039781677265E-12 7.10627623225583E-10 1.659979993961663E-12
node 5.658038532978682E-15 -1.302447498064865E-14 -3.558039781677265E-12 2.139510464318088E-9 -2.134497998814868E-9 -3.631602808580804E-11
peri -8.827746886462482E-14 1.958659491524037E-13 7.10627623225583E-10 -2.134497998814868E-9 2.34460774344936E-9 3.668356980872759E-11
i -5.423174599289533E-16 1.336061689749205E-15 1.659979993961663E-12 -3.631602808580804E-11 3.668356980872759E-11 1.052175289992984E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.52   n/a E2021B10  
rotation period rot_per 4.530 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.]

18926 (2000 PO26)          Discovered 2000-Aug-05 by JPL/NEAT at Haleakala
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 PO26 = 1990 QE3 = 1990 RH = 1999 GC26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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