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(2020 KZ4)
Classification: Amor [NEO]          SPK-ID: 54017248
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4650901589238969 0.0004405  
a 1.932106341911662 0.0016213 au
q 1.033502696294098 1.6146e-05 au
i 4.270679800080305 0.0028843 deg
node 244.1452915446993 0.00089893 deg
peri 4.297932698008818 0.0018745 deg
M .2966439761470341 0.00082106 deg
tp 2458999.691689912276
(2020-May-30.19168991)
0.0012202 TDB
period 980.9456957804782
2.69
1.2347
0.00338
d
yr
n .3669927923110669 0.00046193 deg/d
Q 2.830709987529227 0.0023753 au
  Orbit Determination Parameters
   # obs. used (total)      54  
   data-arc span      19 days  
   first obs. used      2020-05-25  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .57003  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:05:16  

Additional Information
 Earth MOID = .0204864 au 
 Jupiter MOID = 2.21693 au 
 T_jup = 3.769 
[ 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 26.538   .4397 13 autocmod 2.8

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2020-May-31 20:23 < 00:01 Earth 0.0217184875751791 0.021665408968177 0.021771564684446 6.54968563551415 6.53092771612803 2459001.349195241 0.114212617115247 2631.41013111058 3.02666055957161 0.0934606604794164 700.605678660747 T 13 CATAB v2.0f-lin.ifort 2020-Jun-23 15:05:17 2020-Jun-23 15:05
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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