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382 Dodona (A894 BB)
Classification: Main-belt Asteroid          SPK-ID: 2000382
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1713172298113129 2.4032e-08  
a 3.122529265034411 1.1625e-08 au
q 2.587586201343961 7.7619e-08 au
i 7.391512355791756 6.88e-07 deg
node 313.4715573107717 3.4711e-06 deg
peri 270.3511188645093 5.5052e-06 deg
M 291.9392720930057 4.1912e-06 deg
tp 2459581.523964693885
(2022-Jan-02.02396469)
2.3893e-05 TDB
period 2015.385840087415
5.52
1.1255e-05
3.081e-08
d
yr
n .1786258456516621 9.9754e-10 deg/d
Q 3.65747232872486 1.3617e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3474  
   data-arc span      46421 days (127.09 yr)  
   first obs. used      1894-01-30  
   last obs. used      2021-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4148  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 11:05:28  

Additional Information
 Earth MOID = 1.59127 au 
 Jupiter MOID = 1.46476 au 
 T_jup = 3.180 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456484.5 (2013-Jul-11.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .175003601756303 2.4108e-08  
q 2.57110538146373 7.8007e-08 au
tp 2455556.724056312090
(2010-Dec-26.22405631)
2.7926e-05 TDB
node 313.5589261934313 3.4731e-06 deg
peri 270.6374939742199 5.405e-06 deg
i 7.400251811627549 6.8912e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3474  
   data-arc span      46421 days (127.09 yr)  
   first obs. used      1894-01-30  
   last obs. used      2021-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4148  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 11:05:28  

Additional Information
 Jupiter MOID = 1.46476 au 
 T_jup = 3.180 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.812148894186108E-16 -1.867290686919813E-15 3.569092174397555E-13 2.746766711198948E-15 1.044573654337623E-13 2.65874718728494E-16
q -1.867290686919813E-15 6.085058857725918E-15 -1.273703084210666E-12 -8.235640464464104E-15 -3.449654044016788E-13 -1.103098908765874E-15
tp 3.569092174397555E-13 -1.273703084210666E-12 7.798840706242163E-10 4.115226428790018E-11 1.053090047130649E-10 -4.29105082576281E-12
node 2.746766711198948E-15 -8.235640464464104E-15 4.115226428790018E-11 1.206228931881587E-11 -3.907531576242225E-12 -1.856069083110582E-12
peri 1.044573654337623E-13 -3.449654044016788E-13 1.053090047130649E-10 -3.907531576242225E-12 2.92143145134838E-11 1.218297538076235E-12
i 2.65874718728494E-16 -1.103098908765874E-15 -4.29105082576281E-12 -1.856069083110582E-12 1.218297538076235E-12 4.748894361975028E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.8   n/a MPO502156 IRAS observations used: 17
diameter diameter 65.209 km 0.496 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.113 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Di Martino, M. (1986) in Asteroids, Comets, Meteors II. C.-I. Lagerkvist, B.A. Lindblad, M. Lundstedt, H. Rickman, eds. Uppsala, pp. 81-84.]
[Lagerkvist, C.-I.; Hahn, G.; Magnusson, P.; Rickman, H.; Hammarback, G. (1986) in Asteroids, Comets, Meteors II. C.-I. Lagerkvist, B.A. Lindblad, M. Lundstedt, H. Rickman, Uppsala, eds. pp. 67-72.]
[Michalowski, T.; Kwiatkowski, T.; Pych, W.; Kryszczynska, A.; et al. (2004) Astron. Astrophys. 416, 353-366.]
geometric albedo albedo 0.129   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.690   0.015 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=8.00, mean=10.74, max.=12.76) deg.
U-B UB 0.243   0.039 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=8.00, mean=10.74, max.=12.76) deg.
Tholen spectral type spec_T M   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo

382 Dodona (A894 BB)          Discovered 1894-Jan-29 by Charlois, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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