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(2020 KY4)
Classification: Apollo [NEO]          SPK-ID: 54017247
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3966078261319769 0.0001845  
a 1.654830662989644 0.00049927 au
q .9985118711247832 4.3113e-06 au
i 4.03715781535175 0.0014433 deg
node 63.17388123366467 0.0002646 deg
peri 159.2115408276299 0.00082451 deg
M 11.19523555966969 0.0057584 deg
tp 2458976.319821563554
(2020-May-06.81982156)
0.0016014 TDB
period 777.550788522872
2.13
0.35188
0.0009634
d
yr
n .4629922640602022 0.00020953 deg/d
Q 2.311149454854506 0.00069728 au
  Orbit Determination Parameters
   # obs. used (total)      32  
   data-arc span      2 days  
   first obs. used      2020-05-26  
   last obs. used      2020-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .4143  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-29 06:08:13  

Additional Information
 Earth MOID = .00280655 au 
 Jupiter MOID = 2.66907 au 
 T_jup = 4.177 
[ 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 27.183   .52296 3 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
1996-Oct-18 17:08 7_03:09 Mars 0.0399282535092551 0.0386327221452674 0.154592902361281 11.0844467562429 11.0837998750518 2450375.213917655 10268.5199488292 6962145.46207338 226.082410621914 -75.3911595171874 25056.2544988589 T 3 CATAB v2.0f-lin.ifort 2020-May-29 06:08:19 2020-May-29 06:08
2001-Aug-31 15:54 6_17:03 Mars 0.0875130927921207 0.0470482648079254 0.221344903313749 9.63362591594205 9.63328632896211 2452153.162797606 9662.71346560929 7105904.92989332 335.915543147508 -32.5263100610304 21117.795940211 T 3 CATAB v2.0f-lin.ifort 2020-May-29 06:08:19 2020-May-29 06:08
2020-May-26 12:39 < 00:01 Earth 0.0107249884305724 0.0107118074484599 0.0107381690493847 6.70295789312119 6.66579112913122 2458996.027374746 0.219319021835825 649.82035627083 22.199021002146 -0.425999232857472 1395.87530101073 T 3 CATAB v2.0f-lin.ifort 2020-May-29 06:08:19 2020-May-29 06:08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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