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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 
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Orbital Elements at Epoch 2456604.5 (2013-Nov-08.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1363735733890027 3.3488e-08  
q 2.696479663062088 1.0329e-07 au
tp 2456033.175359376144
(2012-Apr-15.67535938)
9.1121e-05 TDB
node 110.9416958832879 9.3374e-05 deg
peri 146.8305025316866 9.4645e-05 deg
i 2.691643998811637 3.546e-06 deg
  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
 Jupiter MOID = 1.51255 au 
 T_jup = 3.199 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.121434013280297E-15 -3.427395675546958E-15 -6.097079209654528E-13 1.965818510979583E-15 -1.011097219006726E-13 4.248162458657322E-17
q -3.427395675546958E-15 1.066834956451086E-14 1.775951410389839E-12 -6.363423366160651E-15 3.035872546214419E-13 -5.358965797934345E-17
tp -6.097079209654528E-13 1.775951410389839E-12 8.302997878097762E-9 -3.20831409016589E-12 1.442120045125428E-9 6.825348989373833E-14
node 1.965818510979583E-15 -6.363423366160651E-15 -3.20831409016589E-12 8.718749775374694E-9 -8.709247719319E-9 1.022310660487228E-11
peri -1.011097219006726E-13 3.035872546214419E-13 1.442120045125428E-9 -8.709247719319E-9 8.957608530023931E-9 -1.019810650365855E-11
i 4.248162458657322E-17 -5.358965797934345E-17 6.825348989373833E-14 1.022310660487228E-11 -1.019810650365855E-11 1.257385447136309E-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 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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