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108890 (2001 PR1)
Classification: Main-belt Asteroid          SPK-ID: 2108890
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1814316834733289 5.1479e-08  
a 2.401928006535789 1.1319e-08 au
q 1.966142164728264 1.2351e-07 au
i 3.301894688486568 6.5221e-06 deg
node 134.070529891511 8.3201e-05 deg
peri 156.4325957175232 8.4802e-05 deg
M 28.37782541958641 1.5967e-05 deg
tp 2458893.319687785292
(2020-Feb-13.81968779)
6.0078e-05 TDB
period 1359.685311569489
3.72
9.6111e-06
2.631e-08
d
yr
n .2647671464395324 1.8715e-09 deg/d
Q 2.837713848343314 1.3373e-08 au
  Orbit Determination Parameters
   # obs. used (total)      363  
   data-arc span      8037 days (22.00 yr)  
   first obs. used      1997-04-29  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65237  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:26:14  

Additional Information
 Earth MOID = .950442 au 
 Jupiter MOID = 2.34136 au 
 T_jup = 3.500 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456634.5 (2013-Dec-08.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1814217838838777 5.1303e-08  
q 1.966257885272668 1.2283e-07 au
tp 2456171.350987198306
(2012-Aug-31.85098720)
5.711e-05 TDB
node 134.1173118878162 8.3374e-05 deg
peri 156.002737825945 8.4956e-05 deg
i 3.297666515273581 6.513e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      363  
   data-arc span      8037 days (22.00 yr)  
   first obs. used      1997-04-29  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65237  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:26:14  

Additional Information
 Jupiter MOID = 2.34136 au 
 T_jup = 3.500 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.632009350635336E-15 -6.28380732146921E-15 1.309932539204674E-12 -9.755527192565117E-15 4.176165060484978E-13 -9.908051434294981E-16
q -6.28380732146921E-15 1.508614446904084E-14 -3.14138641897504E-12 2.23324670639583E-14 -9.927646712309624E-13 2.488217758873573E-15
tp 1.309932539204674E-12 -3.14138641897504E-12 3.261549319541117E-9 -8.325282222759789E-13 9.472941531379957E-10 8.271318796872725E-13
node -9.755527192565117E-15 2.23324670639583E-14 -8.325282222759789E-13 6.951178005008915E-9 -6.939537612704595E-9 1.693582990661903E-10
peri 4.176165060484978E-13 -9.927646712309624E-13 9.472941531379957E-10 -6.939537612704595E-9 7.217520646263569E-9 -1.688525957670585E-10
i -9.908051434294981E-16 2.488217758873573E-15 8.271318796872725E-13 1.693582990661903E-10 -1.688525957670585E-10 4.241970769311323E-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 16.6   n/a MPO474959  

108890 (2001 PR1)          Discovered 2001-Aug-08 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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