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 JT)
Classification: Apollo [NEO]          SPK-ID: 54143220
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3131239306135883 0.00052461  
a 1.335192473420086 0.00085459 au
q .9171117580171101 0.00011384 au
i 2.24494457834891 0.0028811 deg
node 51.45762296200755 0.0015786 deg
peri 232.4592803551225 0.0029453 deg
M 239.2687825498091 0.12495 deg
tp 2459389.486733867181
(2021-Jun-23.98673387)
0.014201 TDB
period 563.5263656663928
1.54
0.54103
0.001481
d
yr
n .638834350854703 0.00061333 deg/d
Q 1.753273188823063 0.0011222 au
  Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      4 days  
   first obs. used      2021-05-01  
   last obs. used      2021-05-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .53181  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-06 06:01:11  

Additional Information
 Earth MOID = 8.18491E-6 au 
 Jupiter MOID = 3.39868 au 
 T_jup = 4.859 
[ 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 27.322   .19436 2 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-May-06 23:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin