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108749 (2001 OK42)
Classification: Main-belt Asteroid          SPK-ID: 2108749
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1656977724935956 3.2813e-08  
a 2.524546461368776 1.1889e-08 au
q 2.106234736163381 8.1213e-08 au
i 3.866113552498413 9.2846e-06 deg
node 223.9143831566645 0.00014781 deg
peri 217.6181717002596 0.00015806 deg
M 178.0905159894768 5.7501e-05 deg
tp 2458275.710705435327
(2018-Jun-06.21070544)
0.00023331 TDB
period 1465.120950397495
4.01
1.035e-05
2.834e-08
d
yr
n .2457135022895756 1.7357e-09 deg/d
Q 2.942858186574171 1.3859e-08 au
  Orbit Determination Parameters
   # obs. used (total)      745  
   data-arc span      17544 days (48.03 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57799  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:13:08  

Additional Information
 Earth MOID = 1.12354 au 
 Jupiter MOID = 2.29926 au 
 T_jup = 3.432 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456867.5 (2014-Jul-29.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1666595645153194 3.25e-08  
q 2.103146337644183 7.9925e-08 au
tp 2456813.609534459504
(2014-Jun-05.10953446)
0.00023141 TDB
node 223.9906349858094 0.00014781 deg
peri 217.8757700372405 0.00015785 deg
i 3.866861473377863 9.2815e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      745  
   data-arc span      17544 days (48.03 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57799  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:13:08  

Additional Information
 Jupiter MOID = 2.29926 au 
 T_jup = 3.432 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.056228171450825E-15 -2.578241362551898E-15 -2.140286113243932E-12 -5.600841129121712E-14 -4.879719826400854E-13 3.011084598591347E-15
q -2.578241362551898E-15 6.387997411697719E-15 5.110810071965951E-12 1.359567225446631E-13 1.161062258814382E-12 -7.208096215072133E-15
tp -2.140286113243932E-12 5.110810071965951E-12 5.355200549857408E-8 1.128825461762E-9 1.304261204072857E-8 -6.081553537651284E-11
node -5.600841129121712E-14 1.359567225446631E-13 1.128825461762E-9 2.184721234091279E-8 -2.150005644026811E-8 -1.188243913615121E-9
peri -4.879719826400854E-13 1.161062258814382E-12 1.304261204072857E-8 -2.150005644026811E-8 2.491564612069993E-8 1.169563627556259E-9
i 3.011084598591347E-15 -7.208096215072133E-15 -6.081553537651284E-11 -1.188243913615121E-9 1.169563627556259E-9 8.614586286612352E-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 15.4   n/a MPO280500  

108749 (2001 OK42)          Discovered 2001-Jul-22 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 OK42 = 1999 FG58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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