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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 ]

[ 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 .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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456310.5 (2013-Jan-18.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1479879849664688 3.6547e-08  
q 2.259058699359513 9.6012e-08 au
tp 2456843.073516581147
(2014-Jul-04.57351658)
6.1661e-05 TDB
node 47.90453614446059 4.0051e-05 deg
peri 35.2577665299773 4.2383e-05 deg
i 5.590306419712208 4.1655e-06 deg
  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
 Jupiter MOID = 2.19905 au 
 T_jup = 3.368 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.335652744678419E-15 -3.500375281041783E-15 5.903503931439579E-14 3.406455412559842E-15 -3.309372908106496E-14 -7.323519565666748E-16
q -3.500375281041783E-15 9.21822083775391E-15 -1.147771480728982E-13 -9.897154596795403E-15 9.106786481235829E-14 2.169707494839861E-15
tp 5.903503931439579E-14 -1.147771480728982E-13 3.802124552798462E-9 4.611736052347623E-13 8.663474291879712E-10 -1.794222127559482E-12
node 3.406455412559842E-15 -9.897154596795403E-15 4.611736052347623E-13 1.60411361418019E-9 -1.596126714284115E-9 -1.637928555011109E-11
peri -3.309372908106496E-14 9.106786481235829E-14 8.663474291879712E-10 -1.596126714284115E-9 1.796338033530378E-9 1.59207594225162E-11
i -7.323519565666748E-16 2.169707494839861E-15 -1.794222127559482E-12 -1.637928555011109E-11 1.59207594225162E-11 1.735178751141441E-11

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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