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(2020 KO4)
Classification: Apollo [NEO]          SPK-ID: 54017230
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458991.5 (2020-May-22.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5677677624995081 0.00096393  
a 2.175390022161638 0.0046399 au
q .9402736967151695 9.1403e-05 au
i 3.579333581920922 0.0043728 deg
node 65.15071569378527 0.00099363 deg
peri 220.4936388754749 0.0039495 deg
M 348.7258814074899 0.038764 deg
tp 2459028.201534559925
(2020-Jun-27.70153456)
0.0087688 TDB
period 1171.936620424651
3.21
3.7495
0.01027
d
yr
n .3071838474247472 0.0009828 deg/d
Q 3.410506347608107 0.0072743 au
  Orbit Determination Parameters
   # obs. used (total)      23  
   data-arc span      10 days  
   first obs. used      2020-05-16  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .61686  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-25 19:42:22  

Additional Information
 Earth MOID = .00389504 au 
 Jupiter MOID = 1.7948 au 
 T_jup = 3.454 
[ 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 26.98   .31627 1 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-29 18:35 00:01 Moon 0.00423390433172536 0.00421854670949476 0.00424928246173822 11.785846396548 11.7851896027319 2458999.274607135 1.07269152078557 896.217839371841 7.16067834475874 -31.2443682579423 41618.0234236845 T 1 CATAB v2.0f-lin.ifort 2020-May-25 19:42:25 2020-May-25 19:42
2020-May-29 23:05 < 00:01 Earth 0.0040748226313254 0.00405678498866599 0.00409285855816677 10.9062229665048 10.846101721468 2458999.462065076 0.71436752904756 889.649415653207 4.69504788730257 -0.683489944189953 448.320592773874 T 1 CATAB v2.0f-lin.ifort 2020-May-25 19:42:25 2020-May-25 19:42
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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