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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1483677952724385 3.6431e-08  
a 2.650610180718703 7.8796e-09 au
q 2.257344992078789 9.5764e-08 au
i 5.590453704614338 4.1664e-06 deg
node 47.82970658854892 4.0054e-05 deg
peri 34.75715610195032 4.2392e-05 deg
M 133.2085830278433 1.4531e-05 deg
tp 2458417.260502244800
(2018-Oct-25.76050224)
6.2934e-05 TDB
period 1576.221399697532
4.32
7.0285e-06
1.924e-08
d
yr
n .228394310640042 1.0184e-09 deg/d
Q 3.043875369358617 9.0486e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2978  
   data-arc span      44224 days (121.08 yr)  
   first obs. used      1899-05-18  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44466  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:13:03  

Additional Information
 Earth MOID = 1.27574 au 
 Jupiter MOID = 2.19905 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 9.5   n/a MPO473766 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. 2019-August); 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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