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 TD3)
Classification: Apollo [NEO]          SPK-ID: 3831476
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4566650012111515 0.00037565  
a 1.245462491241019 0.00052846 au
q .6767033611699954 0.00018076 au
i 2.937521835183569 0.0024432 deg
node 15.78021847876863 0.00023153 deg
peri 263.0188362197358 0.00076732 deg
M 251.502369805307 0.40265 deg
tp 2459353.507302127142
(2021-May-19.00730213)
0.66522 TDB
period 507.6850864569882
1.39
0.32313
0.0008847
d
yr
n .7091009950919638 0.00045132 deg/d
Q 1.814221621312043 0.0007698 au
  Orbit Determination Parameters
   # obs. used (total)      38  
   data-arc span      6 days  
   first obs. used      2018-10-06  
   last obs. used      2018-10-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .44051  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:43:22  

Additional Information
 Earth MOID = .0044473 au 
 Jupiter MOID = 3.33751 au 
 T_jup = 5.047 
[ 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 27.2   .23018 E2018V43 autocmod 2.6q

[ 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-Apr-21 21:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin