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 ]  
2404 Antarctica (1980 TE)
Classification: Main-belt Asteroid          SPK-ID: 2002404
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 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1329724000782507 3.3083e-08  
a 3.12685444837914 1.5634e-08 au
q 2.711069107682811 1.0268e-07 au
i 2.689955720161254 3.5049e-06 deg
node 110.8511161531398 8.4632e-05 deg
peri 146.3530259577705 8.589e-05 deg
M 205.7867765568251 1.6253e-05 deg
tp 2460065.625353853604
(2023-May-01.12535385)
9.3274e-05 TDB
period 2019.57471890898
5.53
1.5147e-05
4.147e-08
d
yr
n .178255350806966 1.3369e-09 deg/d
Q 3.542639789075468 1.7713e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3110  
   data-arc span      32135 days (87.98 yr)  
   first obs. used      1933-01-29  
   last obs. used      2021-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44941  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:02:47  

Additional Information
 Earth MOID = 1.69487 au 
 Jupiter MOID = 1.51157 au 
 T_jup = 3.199 
[ 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 11.86   n/a E2021B10  
diameter diameter 23.209 km 0.316 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.090   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2404 Antarctica (1980 TE)          Discovered 1980-Oct-01 by Mrkos, A. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1980 TE = 1933 BP = 1934 GQ = 1951 LN = 1969 TH5 = 1976 WG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-01 17:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin