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JPL Small-Body Database Browser
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(2019 QW2)
Classification: Aten [NEO]          SPK-ID: 3843623
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1127655597681551 1.4546e-06  
a .9658810586442095 3.7334e-07 au
q .856962940396737 1.7356e-06 au
i 6.53185599048628 5.4492e-05 deg
node 291.6786143689004 0.00034315 deg
peri 268.953860449119 0.00026972 deg
M 100.7137981207087 0.00028448 deg
tp 2459299.500303667170
(2021-Mar-26.00030367)
0.00022225 TDB
period 346.7239974205532
0.95
0.00020103
5.504e-07
d
yr
n 1.038289829023123 6.0199e-07 deg/d
Q 1.074799176891682 4.1544e-07 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      481 days (1.32 yr)  
   first obs. used      2019-08-24  
   last obs. used      2020-12-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .51292  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:36:42  

Additional Information
 Earth MOID = .0223174 au 
 Jupiter MOID = 3.89125 au 
 T_jup = 6.238 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458751.5 (2019-Sep-25.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1139331587879985 1.4287e-06  
q .8565394433738474 1.7232e-06 au
tp 2458605.129836878367
(2019-May-01.62983688)
0.00024407 TDB
node 291.9803572711216 0.00034683 deg
peri 268.6952852372979 0.00026996 deg
i 6.464813636217801 5.5674e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      481 days (1.32 yr)  
   first obs. used      2019-08-24  
   last obs. used      2020-12-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .51292  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:36:42  

Additional Information
 Jupiter MOID = 3.89125 au 
 T_jup = 6.238 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.041201624642318E-12 -2.461864266001046E-12 3.105814912674232E-10 -2.306362097204285E-10 2.436198263057453E-10 7.756276014497651E-11
q -2.461864266001046E-12 2.969341198201481E-12 -3.753451036166404E-10 2.759492420791402E-10 -2.922978007226984E-10 -9.3508091393254E-11
tp 3.105814912674232E-10 -3.753451036166404E-10 5.956987615050544E-8 -2.259530067518129E-9 1.567859259827026E-8 1.099130137957582E-8
node -2.306362097204285E-10 2.759492420791402E-10 -2.259530067518129E-9 1.202876150553622E-7 -9.122160967986061E-8 -1.034496492093398E-8
peri 2.436198263057453E-10 -2.922978007226984E-10 1.567859259827026E-8 -9.122160967986061E-8 7.287918107952272E-8 1.00868315568639E-8
i 7.756276014497651E-11 -9.3508091393254E-11 1.099130137957582E-8 -1.034496492093398E-8 1.00868315568639E-8 3.099646809717742E-9

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   .35628 MPO600138 autocmod 2.8

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