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 ]  
(2018 TB)
Classification: Apollo [NEO]          SPK-ID: 3831168
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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5819242420535511 2.6636e-05  
a 2.393583598952232 0.0001522 au
q 1.000699277340144 1.2534e-07 au
i 3.613447824454069 0.0001165 deg
node 14.39530189884698 3.072e-05 deg
peri 341.162115212655 0.00017161 deg
M 164.2714311759299 0.015665 deg
tp 2458383.292965080713
(2018-Sep-21.79296508)
1.5473e-05 TDB
period 1352.606055601839
3.70
0.12901
0.0003532
d
yr
n .2661528820672172 2.5386e-05 deg/d
Q 3.786467920564321 0.00024077 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      51 days  
   first obs. used      2018-09-29  
   last obs. used      2018-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .33891  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:13:35  

Additional Information
 Earth MOID = .0108378 au 
 Jupiter MOID = 1.66308 au 
 T_jup = 3.275 
[ 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 24.9   .26828 E2018T49 autocmod 2.6n

[ 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 2020-Aug-03 15:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin