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1338 Duponta (1934 XA)
Classification: Main-belt Asteroid          SPK-ID: 2001338
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1130005341261331 1.4767e-08  
a 2.263343868666892 4.9686e-09 au
q 2.007584802596424 3.4389e-08 au
i 4.817369381747631 8.2843e-07 deg
node 325.535530680515 4.9658e-06 deg
peri 110.7516932822019 9.2223e-06 deg
M 146.7397877250843 9.6522e-06 deg
tp 2458889.544750815658
(2020-Feb-10.04475082)
3.2883e-05 TDB
period 1243.724640301937
3.41
4.0954e-06
1.121e-08
d
yr
n .2894531380455753 9.5313e-10 deg/d
Q 2.519102934737359 5.53e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3248  
   data-arc span      31619 days (86.57 yr)  
   first obs. used      1934-12-04  
   last obs. used      2021-06-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37926  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 12:15:52  

Additional Information
 Earth MOID = 1.02874 au 
 Jupiter MOID = 2.68277 au 
 T_jup = 3.605 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.71   n/a MPCxxxxx  
diameter diameter 7.470 km 0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.85453 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Gajdos, S.; Kornos, L.; Vilagi, J.; Galad, A.; et al. (2007) CBET 910.]
[Pravec, P.; Scheirich, P.; Vokrouhlicky, D.; Harris, A.W.; et al. (2012) Icarus 218, 125-143. See also supplemental on-line material.]
geometric albedo albedo 0.251   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1338 Duponta (1934 XA)          Discovered 1934-Dec-04 by Boyer, L. at Algiers
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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