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106 Dione
Classification: Main-belt Asteroid          SPK-ID: 2000106
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 91 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1670000303742227 4.3627e-08  
a 3.176169975688823 1.5097e-08 AU
q 2.645749493275095 1.3814e-07 AU
i 4.596680583952089 5.2008e-06 deg
node 62.17029803505558 6.3088e-05 deg
peri 329.7370069145642 6.5014e-05 deg
M 306.9999703595062 1.6462e-05 deg
tp 2457304.888081003669
(2015-Oct-09.38808100)
9.5695e-05 JED
period 2067.540526007522
5.66
1.4741e-05
4.036e-08
d
yr
n .1741199243601624 1.2414e-09 deg/d
Q 3.70659045810255 1.7618e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1305  
   data-arc span      52410 days (143.49 yr)  
   first obs. used      1871-03-16  
   last obs. used      2014-09-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .62838  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 13:44:39  

Additional Information
 Earth MOID = 1.65285 AU 
 T_jup = 3.174 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.41 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 17
diameter diameter 146.59 km 2.8 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 17
rotation period rot_per 16.26 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Pray, D. (2005) Minor Planet Bul. 32, 48-51.]
geometric albedo albedo 0.0893   0.003 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 17
B-V BV .743 mag .015 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=5; phase (min.=4.26, mean=11.70, max.=19.19) deg.
U-B UB .464 mag .022 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=5; phase (min.=4.26, mean=11.70, max.=19.19) deg.
Tholen spectral type spec_T G   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B Cgh   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)

106 Dione          Discovered 1868-Oct-10 by Watson, J. C. at Ann Arbor
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A902 TA 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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