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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
80538 (2000 AT78)
Classification: Main-belt Asteroid          SPK-ID: 2080538
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1544596144200922 7.5704e-08  
a 2.31311569680151 1.0103e-08 au
q 1.955832738164486 1.7538e-07 au
i 1.611918167795225 7.8792e-06 deg
node 226.6364523644444 0.00023806 deg
peri 287.0017157162453 0.00023922 deg
M 135.1395105802377 2.3392e-05 deg
tp 2458118.136651326906
(2017-Dec-30.63665133)
8.2666e-05 TDB
period 1284.974355587965
3.52
8.4188e-06
2.305e-08
d
yr
n .2801612331284814 1.8355e-09 deg/d
Q 2.670398655438534 1.1664e-08 au
  Orbit Determination Parameters
   # obs. used (total)      455  
   data-arc span      10226 days (28.00 yr)  
   first obs. used      1991-09-07  
   last obs. used      2019-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55852  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:49:46  

Additional Information
 Earth MOID = .967239 au 
 Jupiter MOID = 2.32691 au 
 T_jup = 3.566 
[ show covariance matrix ]

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 16.2   n/a MPO240780  

80538 (2000 AT78)          Discovered 2000-Jan-05 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 2000 AT78 = 1995 VX9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-17 19:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin