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
JPL Small-Body Database Browser
Search: [ help ]  
(2021 JT4)
Classification: Aten [NEO]          SPK-ID: 54144927
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2118879498412302 1.2785e-05  
a .9450772274708715 0.00033529 au
q .7448267513004346 0.00025477 au
i 37.51491099167339 0.039052 deg
node 227.191382798463 0.00041496 deg
peri 236.8597869979712 0.098424 deg
M 158.6528315533559 0.14936 deg
tp 2459248.607993396100
(2021-Feb-03.10799340)
0.060532 TDB
period 335.5825537818956
0.92
0.17858
0.0004889
d
yr
n 1.072761369573384 0.00057088 deg/d
Q 1.145327703641309 0.00040633 au
  Orbit Determination Parameters
   # obs. used (total)      19  
   data-arc span      3 days  
   first obs. used      2021-05-08  
   last obs. used      2021-05-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .33479  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-11 15:42:04  

Additional Information
 Earth MOID = .0115258 au 
 Jupiter MOID = 4.12191 au 
 T_jup = 6.166 
[ 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 25.71   .30625 MPO622852 autocmod 2.9c

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-05 22:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin