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(2021 JU6)
Classification: Apollo [NEO]          SPK-ID: 54145471
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5571695140466717 0.00039464  
a 2.142549072457504 0.0018472 au
q .9487860469352092 2.7549e-05 au
i 7.502957535467322 0.0069041 deg
node 53.55736152184353 7.3935e-05 deg
peri 214.2524049746775 0.00024491 deg
M 6.490786668792491 0.0070968 deg
tp 2459375.846701202799
(2021-Jun-10.34670120)
0.0041281 TDB
period 1145.498680882652
3.14
1.4814
0.004056
d
yr
n .314273605031658 0.00040643 deg/d
Q 3.336312097979798 0.0028764 au
  Orbit Determination Parameters
   # obs. used (total)      18  
   data-arc span      8 days  
   first obs. used      2021-05-06  
   last obs. used      2021-05-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .45473  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-15 06:33:27  

Additional Information
 Earth MOID = .000627614 au 
 Jupiter MOID = 1.80874 au 
 T_jup = 3.485 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459342.5 (2021-May-08.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5375709531946515 0.00041715  
q .9527991875453307 3.2247e-05 au
tp 2459375.546973284554
(2021-Jun-10.04697328)
0.0036497 TDB
node 53.61909269878011 5.3889e-05 deg
peri 213.4706683835942 0.00089818 deg
i 9.031769703547418 0.0047968 deg
  Orbit Determination Parameters
   # obs. used (total)      18  
   data-arc span      8 days  
   first obs. used      2021-05-06  
   last obs. used      2021-05-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .45473  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-15 06:33:27  

Additional Information
 Jupiter MOID = 1.80874 au 
 T_jup = 3.485 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.740170202128956E-7 -1.345190968555724E-8 -1.52244710773108E-6 -2.208724049640905E-8 3.743644974866873E-7 2.000994027296788E-6
q -1.345190968555724E-8 1.039890828194658E-9 1.176865220575801E-7 1.708555259987958E-9 -2.894486084874561E-8 -1.546795199579014E-7
tp -1.52244710773108E-6 1.176865220575801E-7 1.332024192785279E-5 1.932877658353982E-7 -3.274541516002367E-6 -1.750621463095798E-5
node -2.208724049640905E-8 1.708555259987958E-9 1.932877658353982E-7 2.904019772515716E-9 -4.767060012739829E-8 -2.538192503943232E-7
peri 3.743644974866873E-7 -2.894486084874561E-8 -3.274541516002367E-6 -4.767060012739829E-8 8.067196746318667E-7 4.304594503833125E-6
i 2.000994027296788E-6 -1.546795199579014E-7 -1.750621463095798E-5 -2.538192503943232E-7 4.304594503833125E-6 2.300956465703164E-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 27.1   .20513 E2021-MA6 autocmod 2.9c

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