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 ]  
305753 (2009 DT8)
Classification: Main-belt Asteroid          SPK-ID: 2305753
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2076723150793517 3.2334e-08  
a 2.343227583682674 1.1412e-08 au
q 1.856604086621498 7.5742e-08 au
i 3.089881343094282 4.1867e-06 deg
node 274.6169685110765 8.5083e-05 deg
peri 148.1197800686436 8.5905e-05 deg
M 184.4533323593315 1.3604e-05 deg
tp 2459839.366656944750
(2022-Sep-16.86665694)
5.2371e-05 TDB
period 1310.147322026569
3.59
9.571e-06
2.62e-08
d
yr
n .2747782588626314 2.0073e-09 deg/d
Q 2.82985108074385 1.3782e-08 au
  Orbit Determination Parameters
   # obs. used (total)      306  
   data-arc span      9695 days (26.54 yr)  
   first obs. used      1993-10-11  
   last obs. used      2020-04-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58608  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:56:22  

Additional Information
 Earth MOID = .870048 au 
 Jupiter MOID = 2.4952 au 
 T_jup = 3.532 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457184.5 (2015-Jun-11.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2063340323557613 3.2293e-08  
q 1.860244632443777 7.5583e-08 au
tp 2457218.697155258584
(2015-Jul-15.19715526)
4.3382e-05 TDB
node 274.7485411348023 8.5106e-05 deg
peri 148.087808783038 8.5944e-05 deg
i 3.088293067667069 4.1874e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      306  
   data-arc span      9695 days (26.54 yr)  
   first obs. used      1993-10-11  
   last obs. used      2020-04-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58608  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:56:22  

Additional Information
 Jupiter MOID = 2.4952 au 
 T_jup = 3.532 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.04286108864414E-15 -2.423214234258344E-15 3.663732835042348E-14 -1.973640589843812E-14 4.002950015202411E-14 -7.18837924242432E-16
q -2.423214234258344E-15 5.712753377952402E-15 4.062948885306832E-14 4.826090066600008E-14 -6.194407043872454E-14 1.91861718417727E-15
tp 3.663732835042348E-14 4.062948885306832E-14 1.882029171019432E-9 6.689191209858247E-12 5.405205026385786E-10 7.533658686244211E-13
node -1.973640589843812E-14 4.826090066600008E-14 6.689191209858247E-12 7.242978680995803E-9 -7.230341483250092E-9 8.880892122887463E-11
peri 4.002950015202411E-14 -6.194407043872454E-14 5.405205026385786E-10 -7.230341483250092E-9 7.386287956704268E-9 -8.847871453331827E-11
i -7.18837924242432E-16 1.91861718417727E-15 7.533658686244211E-13 8.880892122887463E-11 -8.847871453331827E-11 1.753429770285225E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.36   n/a E2021B25  

305753 (2009 DT8)          Discovered 2009-Feb-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-14 15:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin