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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1128975538282669 2.8118e-08  
a 2.263894474243324 5.428e-09 au
q 2.008306325975923 6.4354e-08 au
i 4.817177966021998 3.7191e-06 deg
node 325.5354894128571 3.7694e-05 deg
peri 110.8921590806152 4.2003e-05 deg
M 32.004945902927 1.7229e-05 deg
tp 2458889.889261298984
(2020-Feb-10.38926130)
5.9574e-05 TDB
period 1244.178510819601
3.41
4.4746e-06
1.225e-08
d
yr
n .2893475468908802 1.0406e-09 deg/d
Q 2.519482622510726 6.0408e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2778  
   data-arc span      31189 days (85.39 yr)  
   first obs. used      1934-12-04  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38702  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:23:13  

Additional Information
 Earth MOID = 1.0296 au 
 Jupiter MOID = 2.68192 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 12.6   n/a MPO431508  
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. 2019-August); 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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