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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 ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1332039928575542 3.393e-08  
a 3.126236735262892 1.6347e-08 au
q 2.70980951950791 1.045e-07 au
i 2.689973401571081 3.5412e-06 deg
node 110.8511962283224 9.3455e-05 deg
peri 146.3179847830387 9.4764e-05 deg
M 170.1790701994392 1.6714e-05 deg
tp 2458046.090253754640
(2017-Oct-19.59025375)
9.2694e-05 TDB
period 2018.976295061824
5.53
1.5836e-05
4.336e-08
d
yr
n .1783081856287849 1.3986e-09 deg/d
Q 3.542663951017873 1.8525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2792  
   data-arc span      31783 days (87.02 yr)  
   first obs. used      1933-01-29  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46532  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:20:49  

Additional Information
 Earth MOID = 1.69528 au 
 Jupiter MOID = 1.51255 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 11.8   n/a MPO452195  
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

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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 ]
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