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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 ]

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1642822303044083 3.2303e-08  
a 2.525462931799116 1.247e-08 au
q 2.110574248812048 7.9282e-08 au
i 3.862731147313693 9.2633e-06 deg
node 223.7120633100689 0.00014736 deg
peri 218.0463697174928 0.00015792 deg
M 274.9651879346122 5.8402e-05 deg
tp 2459742.761479180772
(2022-Jun-12.26147918)
0.00023787 TDB
period 1465.918833444648
4.01
1.0857e-05
2.972e-08
d
yr
n .2455797632083519 1.8189e-09 deg/d
Q 2.940351614786185 1.4518e-08 au
  Orbit Determination Parameters
   # obs. used (total)      755  
   data-arc span      18342 days (50.22 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58389  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:49:01  

Additional Information
 Earth MOID = 1.12785 au 
 Jupiter MOID = 2.30093 au 
 T_jup = 3.432 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456893.5 (2014-Aug-24.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1667127816040855 3.2368e-08  
q 2.103134007417068 7.964e-08 au
tp 2456813.603752268310
(2014-Jun-05.10375227)
0.00023051 TDB
node 223.9872832703077 0.00014725 deg
peri 217.8764773611711 0.00015726 deg
i 3.866736991647389 9.2397e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      755  
   data-arc span      18342 days (50.22 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58389  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:49:01  

Additional Information
 Jupiter MOID = 2.30093 au 
 T_jup = 3.432 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.047669105410999E-15 -2.558624708310354E-15 -2.112356201779687E-12 -5.442292909369438E-14 -4.822647695671556E-13 2.90430647693452E-15
q -2.558624708310354E-15 6.342560537837971E-15 5.062964331446022E-12 1.333055234550796E-13 1.15146564587706E-12 -7.032379536396886E-15
tp -2.112356201779687E-12 5.062964331446022E-12 5.313534272061724E-8 1.112277660959494E-9 1.294429217599622E-8 -5.960723174559694E-11
node -5.442292909369438E-14 1.333055234550796E-13 1.112277660959494E-9 2.168368567816339E-8 -2.134138559519409E-8 -1.178093933890552E-9
peri -4.822647695671556E-13 1.15146564587706E-12 1.294429217599622E-8 -2.134138559519409E-8 2.473013086836108E-8 1.159762432759751E-9
i 2.90430647693452E-15 -7.032379536396886E-15 -5.960723174559694E-11 -1.178093933890552E-9 1.159762432759751E-9 8.537178611888402E-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 15.47   n/a MPCxxxxx  

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

Alternate Designations
 2001 OK42 = 1999 FG58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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