Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
(2020 JE)
Classification: Apollo [NEO]          SPK-ID: 54016953
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 2458972.5 (2020-May-03.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5191254741867074 0.004713  
a 1.958113144071489 0.018429 au
q .9416067296441528 0.0003689 au
i 9.678351245043936 0.060785 deg
node 45.37340649339532 0.0065454 deg
peri 223.8355659533001 0.0093039 deg
M 346.678176503392 0.21058 deg
tp 2459009.535334833780
(2020-Jun-09.03533483)
0.062801 TDB
period 1000.817984381459
2.74
14.129
0.03868
d
yr
n .3597057663012447 0.0050781 deg/d
Q 2.974619558498826 0.027996 au
  Orbit Determination Parameters
   # obs. used (total)      15  
   data-arc span      2 days  
   first obs. used      2020-05-02  
   last obs. used      2020-05-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      9  
   norm. resid. RMS      .44291  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:31:50  

Additional Information
 Earth MOID = .0171809 au 
 Jupiter MOID = 2.19289 au 
 T_jup = 3.691 
[ 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 26.2   .2215 MPO545534 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-07 15:07 < 00:01 Earth 0.030154320148274 0.0294924011950384 0.0308162039985292 12.1191456623974 12.1118524055556 2458977.129569655 0.450012159852 32966.426220471 124.196397492196 -0.115123117218518 93.5230641784602 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:31:51 2021-Apr-15 22:31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-18 15:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin