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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1472971102913986 2.224e-08  
a 2.653071245831027 7.1984e-09 au
q 2.262281517922916 5.817e-08 au
i 5.587045374976628 8.8679e-07 deg
node 47.7933398798348 2.48e-06 deg
peri 34.70269318321539 3.183e-06 deg
M 223.706787898373 5.5556e-06 deg
tp 2459994.076516270157
(2023-Feb-18.57651627)
2.6063e-05 TDB
period 1578.417167957321
4.32
6.4239e-06
1.759e-08
d
yr
n .2280765866642767 9.2823e-10 deg/d
Q 3.043860973739138 8.2587e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3262  
   data-arc span      44597 days (122.10 yr)  
   first obs. used      1899-05-18  
   last obs. used      2021-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43596  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 10:58:56  

Additional Information
 Earth MOID = 1.28057 au 
 Jupiter MOID = 2.19938 au 
 T_jup = 3.367 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456661.5 (2014-Jan-04.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .148106480518371 2.2309e-08  
q 2.258228388231642 5.8207e-08 au
tp 2456843.332454442904
(2014-Jul-04.83245444)
1.8409e-05 TDB
node 47.8991331182356 2.4797e-06 deg
peri 35.36277515572614 3.1181e-06 deg
i 5.590459419865655 8.875e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3262  
   data-arc span      44597 days (122.10 yr)  
   first obs. used      1899-05-18  
   last obs. used      2021-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43596  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 10:58:56  

Additional Information
 Jupiter MOID = 2.19938 au 
 T_jup = 3.367 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.976889843866052E-16 -1.291333258905446E-15 2.833868152348143E-13 2.66736722554754E-15 2.663552449129706E-14 4.1711177113843E-15
q -1.291333258905446E-15 3.388094034137518E-15 -7.152667231262762E-13 -6.940073315900562E-15 -6.278095849398855E-14 -1.071462960904403E-14
tp 2.833868152348143E-13 -7.152667231262762E-13 3.388839909000544E-10 1.5598317844251E-11 3.971662667305707E-11 5.083963598652416E-12
node 2.66736722554754E-15 -6.940073315900562E-15 1.5598317844251E-11 6.148942119164608E-12 -2.616605013859615E-12 1.620248598634468E-12
peri 2.663552449129706E-14 -6.278095849398855E-14 3.971662667305707E-11 -2.616605013859615E-12 9.7223986261368E-12 -8.836234740098178E-13
i 4.1711177113843E-15 -1.071462960904403E-14 5.083963598652416E-12 1.620248598634468E-12 -8.836234740098178E-13 7.876560855658835E-13

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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