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 ]  
79209 (1994 AT12)
Classification: Main-belt Asteroid          SPK-ID: 2079209
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06749966579515496 3.8809e-08  
a 2.78720950264151 1.7968e-08 au
q 2.599073792712128 1.0821e-07 au
i 5.493929998789262 4.2736e-06 deg
node 95.9961150925545 5.9035e-05 deg
peri 227.612018280139 7.2439e-05 deg
M 36.99326494649907 4.1919e-05 deg
tp 2458825.848222486305
(2019-Dec-08.34822249)
0.00019772 TDB
period 1699.623971981427
4.65
1.6435e-05
4.5e-08
d
yr
n .2118115571059585 2.0482e-09 deg/d
Q 2.975345212570892 1.9181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      412  
   data-arc span      9785 days (26.79 yr)  
   first obs. used      1994-01-08  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57847  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:24:02  

Additional Information
 Earth MOID = 1.59012 au 
 Jupiter MOID = 2.23434 au 
 T_jup = 3.321 
[ 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 15.6   n/a MPO436334  
diameter diameter 5.165 km 0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79209 (1994 AT12)          Discovered 1994-Jan-11 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1994 AT12 = 2000 LJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-30 02:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin