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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1073353663666274 3.6959e-08  
a 2.204111453013223 7.3689e-09 au
q 1.967532342691169 8.4322e-08 au
i 4.110243346987951 3.4213e-06 deg
node 169.006798864115 4.6403e-05 deg
peri 160.672058751927 4.8572e-05 deg
M 43.4451307043554 1.5021e-05 deg
tp 2458856.259452856455
(2020-Jan-07.75945286)
4.9722e-05 TDB
period 1195.222482469603
3.27
5.9939e-06
1.641e-08
d
yr
n .301199153530109 1.5105e-09 deg/d
Q 2.440690563335276 8.1599e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1265  
   data-arc span      10584 days (28.98 yr)  
   first obs. used      1990-08-28  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54691  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:27:05  

Additional Information
 Earth MOID = .957137 au 
 Jupiter MOID = 2.83849 au 
 T_jup = 3.652 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457067.5 (2015-Feb-14.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1073080970893271 3.6866e-08  
q 1.968462186378909 8.4128e-08 au
tp 2457661.641757695561
(2016-Sep-30.14175770)
4.907e-05 TDB
node 169.0484453404576 4.641e-05 deg
peri 160.8117760456397 4.8588e-05 deg
i 4.109013977901646 3.4209e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1265  
   data-arc span      10584 days (28.98 yr)  
   first obs. used      1990-08-28  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54691  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:27:05  

Additional Information
 Jupiter MOID = 2.83849 au 
 T_jup = 3.652 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.359065966943697E-15 -3.093407157684005E-15 -3.73431430350111E-13 8.677310078376159E-15 -7.627852793670388E-14 -1.007175254414075E-15
q -3.093407157684005E-15 7.077572345009922E-15 8.457611407369807E-13 -2.031526011480698E-14 1.678335400765384E-13 2.415312918640184E-15
tp -3.73431430350111E-13 8.457611407369807E-13 2.407911730903153E-9 -4.561601261558623E-12 7.14099085855444E-10 2.197171188710083E-12
node 8.677310078376159E-15 -2.031526011480698E-14 -4.561601261558623E-12 2.15384849998258E-9 -2.14889823732524E-9 -3.945159184897522E-11
peri -7.627852793670388E-14 1.678335400765384E-13 7.14099085855444E-10 -2.14889823732524E-9 2.360788855190226E-9 3.994753722708972E-11
i -1.007175254414075E-15 2.415312918640184E-15 2.197171188710083E-12 -3.945159184897522E-11 3.994753722708972E-11 1.170274073455362E-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 15.4   n/a MPO435875  
rotation period rot_per 4.530 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.]

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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