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(2021 KZ2)
Classification: Apollo [NEO]          SPK-ID: 54151573
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3584454825809875 0.00067231  
a 1.572688649590107 0.001637 au
q 1.008965507638139 7.1086e-06 au
i 5.719220848197649 0.0082437 deg
node 66.79261907564087 0.0017838 deg
peri 219.0439606766266 0.0026006 deg
M 260.4187457591165 0.1578 deg
tp 2459399.768038893826
(2021-Jul-04.26803889)
0.0046434 TDB
period 720.3815070279111
1.97
1.1248
0.00308
d
yr
n .4997352048711765 0.00078026 deg/d
Q 2.136411791542074 0.0022238 au
  Orbit Determination Parameters
   # obs. used (total)      30  
   data-arc span      14 days  
   first obs. used      2021-05-31  
   last obs. used      2021-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .40823  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-15 06:33:45  

Additional Information
 Earth MOID = .0303624 au 
 Jupiter MOID = 3.04139 au 
 T_jup = 4.330 
[ 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 25.251   .63178 4 autocmod 2.9c

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