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(2021 JO5)
Classification: Apollo [NEO]          SPK-ID: 54145078
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4823847626157104 0.0001202  
a 1.946984438140815 0.00045611 au
q 1.007788812131776 2.0839e-06 au
i 6.834198194302468 0.0011965 deg
node 231.4767592155251 0.00031678 deg
peri 332.2182806281002 0.00045148 deg
M 26.15173858298823 0.0096284 deg
tp 2459324.415778436802
(2021-Apr-19.91577844)
0.0012108 TDB
period 992.2980715183464
2.72
0.34869
0.0009547
d
yr
n .3627942150982443 0.00012748 deg/d
Q 2.886180064149855 0.00067613 au
  Orbit Determination Parameters
   # obs. used (total)      64  
   data-arc span      32 days  
   first obs. used      2021-05-11  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .49238  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-26 06:21:21  

Additional Information
 Earth MOID = .0258923 au 
 Jupiter MOID = 2.09117 au 
 T_jup = 3.737 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459364.5 (2021-May-30.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4824205519643635 0.00012018  
q 1.007739724785181 2.1017e-06 au
tp 2459324.411262189300
(2021-Apr-19.91126219)
0.0012134 TDB
node 231.4809008749575 0.00031913 deg
peri 332.2066090212022 0.00045763 deg
i 6.835177502746803 0.0011961 deg
  Orbit Determination Parameters
   # obs. used (total)      64  
   data-arc span      32 days  
   first obs. used      2021-05-11  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .49238  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-26 06:21:21  

Additional Information
 Jupiter MOID = 2.09117 au 
 T_jup = 3.737 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.444272521509191E-8 2.50774075387265E-10 1.456673831139938E-7 -3.833348293575738E-8 5.43625854261184E-8 1.437369308717098E-7
q 2.50774075387265E-10 4.41728937058665E-12 2.543147779873121E-9 -6.657484697828614E-10 9.610307705571054E-10 2.494640463870343E-9
tp 1.456673831139938E-7 2.543147779873121E-9 1.472306366256492E-6 -3.866436480549075E-7 5.521215048041363E-7 1.449452569026831E-6
node -3.833348293575738E-8 -6.657484697828614E-10 -3.866436480549075E-7 1.018457775032265E-7 -1.444136089587436E-7 -3.814768003787725E-7
peri 5.43625854261184E-8 9.610307705571054E-10 5.521215048041363E-7 -1.444136089587436E-7 2.094208835297084E-7 5.406869872521402E-7
i 1.437369308717098E-7 2.494640463870343E-9 1.449452569026831E-6 -3.814768003787725E-7 5.406869872521402E-7 1.430551932061088E-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 24.38   .34641 E2021M91 autocmod 2.9c

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