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1413 Roucarie (1937 CD)
Classification: Main-belt Asteroid          SPK-ID: 2001413
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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0652859298769255 2.8523e-08  
a 3.021196454172463 1.1824e-08 au
q 2.823954834320943 8.9097e-08 au
i 10.23266555994821 3.6972e-06 deg
node 178.7342765503413 1.9464e-05 deg
peri 299.582565544006 3.6836e-05 deg
M 327.5777514931766 3.1241e-05 deg
tp 2459173.245803453107
(2020-Nov-19.74580345)
0.00016659 TDB
period 1918.08070405823
5.25
1.126e-05
3.083e-08
d
yr
n .1876876187943085 1.1018e-09 deg/d
Q 3.218438074023982 1.2595e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3054  
   data-arc span      30592 days (83.76 yr)  
   first obs. used      1937-02-12  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42091  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:00:25  

Additional Information
 Earth MOID = 1.85582 au 
 Jupiter MOID = 1.84667 au 
 T_jup = 3.219 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456861.5 (2014-Jul-23.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06323232420038802 2.8729e-08  
q 2.829063134586909 8.9438e-08 au
tp 2457266.376475623043
(2015-Aug-31.87647562)
0.00016988 TDB
node 178.7773255700073 1.9468e-05 deg
peri 301.6775989326578 3.7531e-05 deg
i 10.22975437554503 3.6959e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3054  
   data-arc span      30592 days (83.76 yr)  
   first obs. used      1937-02-12  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42091  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:00:25  

Additional Information
 Jupiter MOID = 1.84667 au 
 T_jup = 3.219 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.253469365572572E-16 -2.550427823257001E-15 -2.94428135898108E-13 4.562012658780555E-16 -3.995060571488297E-14 3.395919087627922E-17
q -2.550427823257001E-15 7.999152578406348E-15 9.714215227277777E-13 -2.267943415358745E-16 1.275428932272471E-13 5.690597557672476E-16
tp -2.94428135898108E-13 9.714215227277777E-13 2.885976310647535E-8 -3.505530475399213E-11 5.465070482670386E-9 -8.023292098051678E-13
node 4.562012658780555E-16 -2.267943415358745E-16 -3.505530475399213E-11 3.790128039203225E-10 -3.794571241976427E-10 1.614588436944059E-11
peri -3.995060571488297E-14 1.275428932272471E-13 5.465070482670386E-9 -3.794571241976427E-10 1.408606275807686E-9 -1.605287399088402E-11
i 3.395919087627922E-17 5.690597557672476E-16 -8.023292098051678E-13 1.614588436944059E-11 -1.605287399088402E-11 1.365996768608152E-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 11.3   n/a MPO267712  
diameter diameter 19.838 km 0.156 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.357 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Coley, D. (2012) Minor Planet Bull. 39, 23-24.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.130   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1413 Roucarie (1937 CD)          Discovered 1937-Feb-12 by Boyer, L. at Algiers
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1937 CD = 1950 QU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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