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101039 (1998 QM97)
Classification: Main-belt Asteroid          SPK-ID: 2101039
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2630365509472538 3.6422e-08  
a 2.635541124645515 1.2316e-08 au
q 1.942297477339112 9.6858e-08 au
i 14.50623343055934 4.0177e-06 deg
node 177.5180930014631 2.2038e-05 deg
peri 164.8858380529462 2.4584e-05 deg
M 72.89916464700408 1.1271e-05 deg
tp 2458884.036830219631
(2020-Feb-04.53683022)
4.7649e-05 TDB
period 1562.798993275085
4.28
1.0955e-05
2.999e-08
d
yr
n .2303559200825723 1.6147e-09 deg/d
Q 3.328784771951918 1.5556e-08 au
  Orbit Determination Parameters
   # obs. used (total)      643  
   data-arc span      8206 days (22.47 yr)  
   first obs. used      1998-08-02  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57895  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:26:54  

Additional Information
 Earth MOID = .937047 au 
 Jupiter MOID = 2.1275 au 
 T_jup = 3.304 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457491.5 (2016-Apr-13.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .264525680956211 3.6215e-08  
q 1.937321374664576 9.6309e-08 au
tp 2457322.998842032952
(2015-Oct-27.49884203)
4.2166e-05 TDB
node 177.5921751772865 2.2016e-05 deg
peri 164.9882025840357 2.4529e-05 deg
i 14.51961024321369 4.0203e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      643  
   data-arc span      8206 days (22.47 yr)  
   first obs. used      1998-08-02  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57895  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:26:54  

Additional Information
 Jupiter MOID = 2.1275 au 
 T_jup = 3.304 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.311501485258995E-15 -3.472631099934671E-15 -4.841538056472797E-13 -9.193845854708667E-15 -1.091040190950313E-13 -5.371306067861615E-15
q -3.472631099934671E-15 9.275428074002072E-15 1.408955058786641E-12 2.477762110201484E-14 3.256792210748347E-13 1.516759017036857E-14
tp -4.841538056472797E-13 1.408955058786641E-12 1.777939875620597E-9 1.185556329428945E-11 4.958828359755343E-10 6.109861157137387E-12
node -9.193845854708667E-15 2.477762110201484E-14 1.185556329428945E-11 4.847082705711685E-10 -4.648657621713556E-10 -1.683345036713647E-11
peri -1.091040190950313E-13 3.256792210748347E-13 4.958828359755343E-10 -4.648657621713556E-10 6.016502462428164E-10 1.806502680731367E-11
i -5.371306067861615E-15 1.516759017036857E-14 6.109861157137387E-12 -1.683345036713647E-11 1.806502680731367E-11 1.616312417576924E-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 MPO436471  

101039 (1998 QM97)          Discovered 1998-Aug-24 by LINEAR at Socorro
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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