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384 Burdigala (A894 CA)
Classification: Main-belt Asteroid          SPK-ID: 2000384
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1480313364067726 2.2644e-08  
a 2.651307767775353 7.338e-09 au
q 2.258831135685911 5.899e-08 au
i 5.589330334466755 8.8933e-07 deg
node 47.82507054397016 2.4817e-06 deg
peri 34.75424800220443 3.1841e-06 deg
M 178.9023659101456 5.4915e-06 deg
tp 2458416.885927966246
(2018-Oct-25.38592797)
2.201e-05 TDB
period 1576.843685084846
4.32
6.5463e-06
1.792e-08
d
yr
n .2283041771389213 9.4781e-10 deg/d
Q 3.043784399864796 8.4242e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3135  
   data-arc span      44335 days (121.38 yr)  
   first obs. used      1899-05-18  
   last obs. used      2020-10-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44037  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 10:48:00  

Additional Information
 Earth MOID = 1.27684 au 
 Jupiter MOID = 2.19908 au 
 T_jup = 3.368 
[ 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 9.47   n/a E2021B10 IRAS observations used: 17
diameter diameter 34.435 km 1.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 404.9 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pilcher, F. (2019) Minor Planet Bull. 46, 360-363.]
[Polakis, T. (2019) Minor Planet Bull. 46, 287-292.]
geometric albedo albedo 0.192   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.846   0.027 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=3.99, mean=8.25, max.=16.66) deg.
U-B UB 0.419   0.026 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=3.99, mean=8.25, max.=16.66) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

384 Burdigala (A894 CA)          Discovered 1894-Feb-11 by Courty, F. at Bordeaux
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A894 CA = 1950 DW = 1969 ME 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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