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(2020 KF)
Classification: Apollo [NEO]          SPK-ID: 54017058
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 2458985.5 (2020-May-16.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4139615746073674 0.00086559  
a 1.501857562173484 0.0019067 au
q .8801462409001666 0.00018257 au
i 7.642050240103546 0.013442 deg
node 59.92949336953912 0.00092243 deg
peri 250.8833440153336 0.002672 deg
M 325.8698834950948 0.077669 deg
tp 2459049.234827593025
(2020-Jul-18.73482759)
0.023664 TDB
period 672.2666162065802
1.84
1.2803
0.003505
d
yr
n .5355018252005183 0.0010198 deg/d
Q 2.123568883446802 0.0026961 au
  Orbit Determination Parameters
   # obs. used (total)      36  
   data-arc span      17 days  
   first obs. used      2020-05-12  
   last obs. used      2020-05-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .32541  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:33:38  

Additional Information
 Earth MOID = .0302352 au 
 Jupiter MOID = 3.18589 au 
 T_jup = 4.434 
[ 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 25.4   .43235 E2020-QF4 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
1930-May-07 11:00 1_14:56 Earth 0.428314924137233 0.388875395748285 0.467754365835204 23.0373312576289 23.0370612229585 2426103.958413759 2336.02665337985 1966664.18717079 29.6747514964922 -0.059736745847918 1805.8612977443 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 22:33:38 2021-Apr-15 22:33
1934-Jun-27 16:22 5_08:02 Mars 0.0500255437497708 0.00351345128442964 0.209449380897239 9.13342902255363 9.13280241530474 2427616.181806354 7681.84353866756 7954504.24897758 69.1248885769158 -4.03322588922338 7396.36175091925 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 22:33:38 2021-Apr-15 22:33
2015-May-13 15:10 7_03:54 Mars 0.0426090916673291 0.00603526748361438 0.199374307680785 9.03731499823844 9.03657149586042 2457156.132254963 10314.0968184474 7834122.97135715 73.0106155246302 -8.14957184587925 12098.351973773 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 22:33:38 2021-Apr-15 22:33
2018-Oct-29 14:39 3_02:08 Earth 0.497716233750803 0.432810709525829 0.563087202458362 24.8733804774794 24.8731652500511 2458421.110627854 4448.11816949495 3335695.77768167 158.985073214797 13.040816792211 97750.4312154089 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 22:33:38 2021-Apr-15 22:33
2020-Jun-02 17:00 < 00:01 Earth 0.0310245333182169 0.0308557652246332 0.0311932986899451 10.7738608018341 10.7658864298134 2459003.208105086 0.252662984187901 8403.22065406408 14.3044807407425 -0.174150479914901 363.276380899548 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 22:33:38 2021-Apr-15 22:33
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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