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(2021 JT8)
Classification: Amor [NEO]          SPK-ID: 54145775
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4968166747532541 3.2025e-05  
a 2.025788675307235 0.00012954 au
q 1.019343081888295 3.3211e-07 au
i 2.731589099699776 0.0001376 deg
node 161.7225857242682 0.00084484 deg
peri 130.0515125912756 0.00075298 deg
M 356.8831056187026 0.00033367 deg
tp 2459405.618202242350
(2021-Jul-10.11820224)
0.00010323 TDB
period 1053.148552912953
2.88
0.10102
0.0002766
d
yr
n .3418321176098654 3.2789e-05 deg/d
Q 3.032234268726175 0.0001939 au
  Orbit Determination Parameters
   # obs. used (total)      89  
   data-arc span      49 days  
   first obs. used      2021-05-04  
   last obs. used      2021-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .49813  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-22 06:23:30  

Additional Information
 Earth MOID = .0317882 au 
 Jupiter MOID = 2.19355 au 
 T_jup = 3.650 
[ show covariance matrix ]

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 23.517   .366 13 autocmod 2.9c

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