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 ]  
(2020 TD8)
Classification: Apollo [NEO]          SPK-ID: 54075304
[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3249437853512794 6.0384e-05  
a 1.362827011915099 0.00010765 au
q .9199848438844338 9.6281e-06 au
i 6.038434405217864 0.00097016 deg
node 215.0217944420311 2.5771e-05 deg
peri 225.4745969072336 0.00024038 deg
M 243.9941130895432 0.014603 deg
tp 2459187.756565754375
(2020-Dec-04.25656575)		 0.0013864 TDB
period 581.1115751704018
1.59		 0.06885
0.0001885		 d
yr
n .6195023733513407 7.3399e-05 deg/d
Q 1.805669179945764 0.00014262 au
   Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      12 days  
   first obs. used      2020-10-15  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .43839  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-03 14:58:37  

Additional Information
 Earth MOID = .000108026 au 
 Jupiter MOID = 3.45183 au 
 T_jup = 4.781 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459145.5 (2020-Oct-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3255518930337019 6.0197e-05  
q .9196054321112305 9.5288e-06 au
tp 2459187.765482850741
(2020-Dec-04.26548285)		 0.0013915 TDB
node 214.9837465893533 4.1049e-05 deg
peri 225.5554796818059 0.00027098 deg
i 6.052048047401914 0.00096528 deg
   Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      12 days  
   first obs. used      2020-10-15  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .43839  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-03 14:58:37  

Additional Information
 Jupiter MOID = 3.45183 au 
 T_jup = 4.781 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.623631422553676E-9 -5.735336500549143E-10 -8.373923617592352E-8 2.435160594851165E-9 -1.603769135729201E-8 5.810488011804987E-8
q -5.735336500549143E-10 9.079885739472294E-11 1.324915905588634E-8 -3.847353442718675E-10 2.53101066665604E-9 -9.197397053435057E-9
tp -8.373923617592352E-8 1.324915905588634E-8 1.936167602825387E-6 -5.64112074883449E-8 3.721873992434881E-7 -1.342587492271068E-6
node 2.435160594851165E-9 -3.847353442718675E-10 -5.64112074883449E-8 1.685010954174568E-9 -1.102175725860914E-8 3.900585187822428E-8
peri -1.603769135729201E-8 2.53101066665604E-9 3.721873992434881E-7 -1.102175725860914E-8 7.34322183620336E-8 -2.568837301340333E-7
i 5.810488011804987E-8 -9.197397053435057E-9 -1.342587492271068E-6 3.900585187822428E-8 -2.568837301340333E-7 9.317690957527608E-7

[ 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 26.914   .28739 11 autocmod 2.8

[ 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-Jan-20 04:39 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin