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JPL Small-Body Database Browser
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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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1483677938321381 3.7416e-08  
a 2.650610181244112 8.3582e-09 au
q 2.257344996343919 9.8969e-08 au
i 5.590453806942715 4.1717e-06 deg
node 47.82971423183307 4.7204e-05 deg
peri 34.75714704943816 4.9737e-05 deg
M 133.2085839784201 1.5473e-05 deg
tp 2458417.260497909385
(2018-Oct-25.76049791)
6.7425e-05 TDB
period 1576.221400166195
4.32
7.4555e-06
2.041e-08
d
yr
n .2283943105721328 1.0803e-09 deg/d
Q 3.043875366144305 9.5983e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2637  
   data-arc span      44090 days (120.71 yr)  
   first obs. used      1899-05-18  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46823  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:26:01  

Additional Information
 Earth MOID = 1.27574 au 
 Jupiter MOID = 2.19905 au 
 T_jup = 3.368 
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Orbital Elements at Epoch 2455915.5 (2011-Dec-20.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1476824639968631 3.7601e-08  
q 2.26057096466617 9.9522e-08 au
tp 2455265.215571699022
(2010-Mar-09.71557170)
6.8188e-05 TDB
node 47.90934682147599 4.7187e-05 deg
peri 35.16150234657498 4.972e-05 deg
i 5.590690911210657 4.171e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2637  
   data-arc span      44090 days (120.71 yr)  
   first obs. used      1899-05-18  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46823  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:26:01  

Additional Information
 Jupiter MOID = 2.19905 au 
 T_jup = 3.368 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.41383307238283E-15 -3.732226342707636E-15 2.748799554614566E-13 4.534894426483213E-15 3.354347232789871E-14 -9.99530362367202E-16
q -3.732226342707636E-15 9.904569960985211E-15 -8.091879236254286E-13 -1.30777302464153E-14 -1.04706555789422E-13 2.953048997218245E-15
tp 2.748799554614566E-13 -8.091879236254286E-13 4.649623061562511E-9 3.395622976508987E-12 1.091721118569984E-9 -2.809111160032836E-12
node 4.534894426483213E-15 -1.30777302464153E-14 3.395622976508987E-12 2.226575428716424E-9 -2.215044858761395E-9 -1.535279785236846E-11
peri 3.354347232789871E-14 -1.04706555789422E-13 1.091721118569984E-9 -2.215044858761395E-9 2.472057664641695E-9 1.469562948825853E-11
i -9.99530362367202E-16 2.953048997218245E-15 -2.809111160032836E-12 -1.535279785236846E-11 1.469562948825853E-11 1.73974309042167E-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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