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1240 Centenaria (1932 CD)
Classification: Main-belt Asteroid          SPK-ID: 2001240
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1756031309929419 3.7884e-08  
a 2.865398591184196 1.0343e-08 au
q 2.362225627029487 1.1022e-07 au
i 10.17119661381651 4.1366e-06 deg
node 323.7173128167079 1.9518e-05 deg
peri 24.10946237808069 2.1617e-05 deg
M 245.1502852005603 1.0735e-05 deg
tp 2459765.701637888008
(2022-Jul-05.20163789)
5.4318e-05 TDB
period 1771.642097631708
4.85
9.5923e-06
2.626e-08
d
yr
n .2032013127714904 1.1002e-09 deg/d
Q 3.368571555338906 1.2159e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3028  
   data-arc span      32948 days (90.21 yr)  
   first obs. used      1930-12-13  
   last obs. used      2021-02-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44019  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:11:27  

Additional Information
 Earth MOID = 1.357 au 
 Jupiter MOID = 2.05814 au 
 T_jup = 3.254 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456582.5 (2013-Oct-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1707778011193651 3.7465e-08  
q 2.380826728837426 1.0821e-07 au
tp 2456215.257559020692
(2012-Oct-14.75755902)
4.9792e-05 TDB
node 323.8063145982034 1.9563e-05 deg
peri 23.6913654407267 2.1818e-05 deg
i 10.15068183999146 4.1247e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3028  
   data-arc span      32948 days (90.21 yr)  
   first obs. used      1930-12-13  
   last obs. used      2021-02-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44019  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:11:27  

Additional Information
 Jupiter MOID = 2.05814 au 
 T_jup = 3.254 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.403658859425526E-15 -4.041730726380178E-15 -6.451204966832745E-14 2.124744191171216E-15 -1.905084362508805E-14 8.462107166059919E-16
q -4.041730726380178E-15 1.170991495531457E-14 2.518462421094763E-13 -5.889261986081166E-15 6.817446422493078E-14 -2.353950786202963E-15
tp -6.451204966832745E-14 2.518462421094763E-13 2.479257505639865E-9 -4.856155254872402E-12 4.936271578511632E-10 -3.865822478197488E-14
node 2.124744191171216E-15 -5.889261986081166E-15 -4.856155254872402E-12 3.826933022296618E-10 -3.776410483959803E-10 1.42207355562606E-11
peri -1.905084362508805E-14 6.817446422493078E-14 4.936271578511632E-10 -3.776410483959803E-10 4.760264822341346E-10 -1.407568240530718E-11
i 8.462107166059919E-16 -2.353950786202963E-15 -3.865822478197488E-14 1.42207355562606E-11 -1.407568240530718E-11 1.701300893324155E-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 10.17   n/a E2021B10  
diameter diameter 63.035 km 0.266 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 11.2907 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Oey, J. (2008) Minor Planet Bull. 35, 132-135.]
geometric albedo albedo 0.056   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1240 Centenaria (1932 CD)          Discovered 1932-Feb-05 by Schorr, R. at Bergedorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1932 CD = 1930 VA = 1930 XG = A915 RF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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