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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1713172370774107 3.7877e-08  
a 3.122529255563072 1.3007e-08 au
q 2.587586170806622 1.1991e-07 au
i 7.391506469029141 4.4347e-06 deg
node 313.4716247818061 3.2993e-05 deg
peri 270.3510340898488 3.5437e-05 deg
M 291.9392949920962 1.4861e-05 deg
tp 2459581.523834764447
(2022-Jan-02.02383476)
8.4185e-05 TDB
period 2015.385830917732
5.52
1.2593e-05
3.448e-08
d
yr
n .1786258464643811 1.1161e-09 deg/d
Q 3.657472340319521 1.5236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3284  
   data-arc span      46380 days (126.98 yr)  
   first obs. used      1894-01-30  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42158  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:46:06  

Additional Information
 Earth MOID = 1.59127 au 
 Jupiter MOID = 1.46476 au 
 T_jup = 3.180 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456251.5 (2012-Nov-20.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1752175055614816 3.7479e-08  
q 2.570171464806724 1.1865e-07 au
tp 2455557.181617186398
(2010-Dec-26.68161719)
7.5807e-05 TDB
node 313.5651333368157 3.2985e-05 deg
peri 270.6654720994333 3.5355e-05 deg
i 7.400566820625795 4.4373e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3284  
   data-arc span      46380 days (126.98 yr)  
   first obs. used      1894-01-30  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42158  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:46:06  

Additional Information
 Jupiter MOID = 1.46476 au 
 T_jup = 3.180 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.404686868518455E-15 -4.429561915028295E-15 -2.768749494375489E-13 -8.827928696149001E-16 -4.585914525713363E-14 -2.195548255628382E-16
q -4.429561915028295E-15 1.407713351060093E-14 9.35756006777785E-13 3.486002541781908E-15 1.591547120156914E-13 1.29497892872784E-15
tp -2.768749494375489E-13 9.35756006777785E-13 5.746701178558459E-9 5.488506454966534E-12 9.904909614307138E-10 3.855924769176665E-13
node -8.827928696149001E-16 3.486002541781908E-15 5.488506454966534E-12 1.087990520380068E-9 -1.077487761179382E-9 9.523958029040366E-12
peri -4.585914525713363E-14 1.591547120156914E-13 9.904909614307138E-10 -1.077487761179382E-9 1.249946137950178E-9 -9.372709012516536E-12
i -2.195548255628382E-16 1.29497892872784E-15 3.855924769176665E-13 9.523958029040366E-12 -9.372709012516536E-12 1.968925574864204E-11

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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