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JPL Small-Body Database Browser
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(2019 TQ2)
Classification: Apollo [NEO]          SPK-ID: 3878581
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6718792609163907 0.00085415  
a 2.862148780382446 0.0073487 au
q .9391303731863392 3.3463e-05 au
i 8.443410840576174 0.0078411 deg
node 22.91961695127769 0.00049778 deg
peri 44.66270528384271 0.00051147 deg
M 39.052150504333 0.14882 deg
tp 2458808.642319896116
(2019-Nov-21.14231990)
0.0077731 TDB
period 1768.628972935431
4.84
6.8115
0.01865
d
yr
n .2035474966818509 0.00078392 deg/d
Q 4.785167187578553 0.012286 au
  Orbit Determination Parameters
   # obs. used (total)      47  
   data-arc span      23 days  
   first obs. used      2019-10-05  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .45346  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-06 05:00:34  

Additional Information
 Earth MOID = .0311029 au 
 Jupiter MOID = .809799 au 
 T_jup = 2.905 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458766.5 (2019-Oct-10.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6722557465677106 0.00085358  
q .9393656961040047 3.3789e-05 au
tp 2458808.624217932253
(2019-Nov-21.12421793)
0.007693 TDB
node 22.94682158892489 0.0005794 deg
peri 44.60531777265544 0.0007122 deg
i 8.45643591687114 0.0078068 deg
  Orbit Determination Parameters
   # obs. used (total)      47  
   data-arc span      23 days  
   first obs. used      2019-10-05  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .45346  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-06 05:00:34  

Additional Information
 Jupiter MOID = .809799 au 
 T_jup = 2.905 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.28603625151271E-7 -2.884084223539642E-8 -6.566573084105341E-6 -4.944570434206915E-7 6.068666750283705E-7 6.6637808238986E-6
q -2.884084223539642E-8 1.141682935978872E-9 2.599233424840688E-7 1.95716007406947E-8 -2.403102778013637E-8 -2.637767376510748E-7
tp -6.566573084105341E-6 2.599233424840688E-7 5.91823197353796E-5 4.456397940773655E-6 -5.468290301940534E-6 -6.005763709603381E-5
node -4.944570434206915E-7 1.95716007406947E-8 4.456397940773655E-6 3.357085991058192E-7 -4.11855118559091E-7 -4.522334395404665E-6
peri 6.068666750283705E-7 -2.403102778013637E-8 -5.468290301940534E-6 -4.11855118559091E-7 5.072330047397865E-7 5.550386617152747E-6
i 6.6637808238986E-6 -2.637767376510748E-7 -6.005763709603381E-5 -4.522334395404665E-6 5.550386617152747E-6 6.094687689234321E-5

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 24.8   .33515 E2019V77 autocmod 2.8

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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