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(2021 JQ2)
Classification: Aten [NEO]          SPK-ID: 54144233
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ 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 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2030596351044706 4.9404e-05  
a .965308793235109 2.6019e-05 au
q .7692935419176509 6.8122e-05 au
i 9.755980383404445 0.0012982 deg
node 47.812468990544 2.9819e-05 deg
peri 294.0198652828562 0.0073383 deg
M 324.0768497265946 0.0012949 deg
tp 2459431.067640331436
(2021-Aug-04.56764033)
0.0016226 TDB
period 346.415902408475
0.95
0.014006
3.835e-05
d
yr
n 1.039213262142647 4.2017e-05 deg/d
Q 1.161324044552567 3.1303e-05 au
  Orbit Determination Parameters
   # obs. used (total)      36  
   data-arc span      1 day  
   first obs. used      2021-05-07  
   last obs. used      2021-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .45194  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-08 16:42:02  

Additional Information
 Earth MOID = 2.38917E-5 au 
 Jupiter MOID = 4.1272 au 
 T_jup = 6.222 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459342.5 (2021-May-08.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2464898996017674 3.6232e-05  
q .6800169108076546 3.5452e-05 au
tp 2459435.441613118504
(2021-Aug-08.94161312)
0.005488 TDB
node 47.88612393389097 2.7808e-05 deg
peri 310.4104658803111 0.0013735 deg
i 8.682012251385027 0.0015755 deg
  Orbit Determination Parameters
   # obs. used (total)      36  
   data-arc span      1 day  
   first obs. used      2021-05-07  
   last obs. used      2021-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .45194  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-08 16:42:02  

Additional Information
 Jupiter MOID = 4.1272 au 
 T_jup = 6.222 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.312737693763116E-9 -1.283588630992712E-9 -1.985265403818898E-7 -5.92711486804635E-10 -4.642906717361437E-8 5.691127252140634E-8
q -1.283588630992712E-9 1.256859411618115E-9 1.937095493296909E-7 5.518500108051868E-10 4.474000843895681E-8 -5.549323973475557E-8
tp -1.985265403818898E-7 1.937095493296909E-7 3.011764834551254E-5 9.607606775373714E-8 7.173251471975014E-6 -8.642453077294264E-6
node -5.92711486804635E-10 5.518500108051868E-10 9.607606775373714E-8 7.732914006925828E-10 3.122173341845316E-8 -2.832103856904927E-8
peri -4.642906717361437E-8 4.474000843895681E-8 7.173251471975014E-6 3.122173341845316E-8 1.886456746513867E-6 -2.070037555418815E-6
i 5.691127252140634E-8 -5.549323973475557E-8 -8.642453077294264E-6 -2.832103856904927E-8 -2.070037555418815E-6 2.482096112499969E-6

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 30.01   .31102 E2021N14 autocmod 2.9c

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