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(2020 KZ4)
Classification: Amor [NEO]          SPK-ID: 54017248
[ 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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4641527868016698 0.0004418  
a 1.928700370495081 0.0016198 au
q 1.033488718624376 1.5851e-05 au
i 4.249133635097024 0.0029238 deg
node 244.0593049975934 0.00070833 deg
peri 4.463423163389067 0.0014586 deg
M 73.86704194169623 0.093431 deg
tp 2458999.755442502060
(2020-May-30.25544250)		 0.0010297 TDB
period 978.352981242977
2.68		 1.2325
0.003374		 d
yr
n .367965352896076 0.00046354 deg/d
Q 2.823912022365786 0.0023716 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .57003  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:34:02  

Additional Information
 Earth MOID = .0190364 au 
 Jupiter MOID = 2.22289 au 
 T_jup = 3.773 
[ 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 26.6   .4397 E2020L57 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 0.0217184875948779 0.0216654090137879 0.021771564678234 6.54968564034351 6.53092772098496 2459001.349194905 0.114214615726561 2631.40884654683 3.0266605621904 0.0934606933345717 700.606020628247 T 14 CATAB v2.0g-lin.ifort 2021-Apr-15 22:34:02 2021-Apr-15 22:34
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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