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(2020 JL1)
Classification: Apollo [NEO]          SPK-ID: 54016997
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 2458984.5 (2020-May-15.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5539435522150372 0.0010688  
a 2.176494234104088 0.0050861 au
q .9708392866889229 5.7609e-05 au
i 6.952330264922828 0.009361 deg
node 233.049224965807 0.00063728 deg
peri 33.23885027049057 0.0039406 deg
M 352.0036905774322 0.030108 deg
tp 2459010.550844026398
(2020-Jun-10.05084403)
0.0067793 TDB
period 1172.829033233139
3.21
4.111
0.01126
d
yr
n .3069501093501989 0.0010759 deg/d
Q 3.382149181519254 0.0079035 au
  Orbit Determination Parameters
   # obs. used (total)      24  
   data-arc span      3 days  
   first obs. used      2020-05-14  
   last obs. used      2020-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .51423  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:31:57  

Additional Information
 Earth MOID = .01015 au 
 Jupiter MOID = 1.74684 au 
 T_jup = 3.460 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 1.142364374752093E-6 -6.155479133242063E-8 -7.238658433309589E-6 -6.80991835620366E-7 4.188007946324056E-6 1.000442351958501E-5
q -6.155479133242063E-8 3.318849830671618E-9 3.896149880251901E-7 3.670391616317513E-8 -2.262634170418556E-7 -5.389261322739105E-7
tp -7.238658433309589E-6 3.896149880251901E-7 4.595874708778145E-5 4.313110899938217E-6 -2.641176465994603E-5 -6.342454760609329E-5
node -6.80991835620366E-7 3.670391616317513E-8 4.313110899938217E-6 4.06127100885628E-7 -2.499519498684192E-6 -5.962874901759144E-6
peri 4.188007946324056E-6 -2.262634170418556E-7 -2.641176465994603E-5 -2.499519498684192E-6 1.552845091760729E-5 3.66337168479585E-5
i 1.000442351958501E-5 -5.389261322739105E-7 -6.342454760609329E-5 -5.962874901759144E-6 3.66337168479585E-5 8.76285531926027E-5

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 28.3   .52155 MPO545540 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-17 06:02 < 00:01 Earth 0.0105909435040123 0.0105394091089706 0.0106424755501668 10.3810513265607 10.3567883438571 2458986.751663303 0.0653419198030303 2557.66081167342 9.33732833916046 0.0275188530413866 399.856456720811 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 22:31:57 2021-Apr-15 22:31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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