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43 Ariadne
Classification: Main-belt Asteroid          SPK-ID: 2000043
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 92 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1687391331484006 3.0676e-08  
a 2.203261746773119 3.6087e-09 AU
q 1.831485269523592 6.7645e-08 AU
i 3.470380962378263 4.0561e-06 deg
node 264.8712120087889 6.0807e-05 deg
peri 16.34250546315754 6.1557e-05 deg
M 15.6049978974309 1.0164e-05 deg
tp 2456948.720389173016
(2014-Oct-18.22038917)
3.3705e-05 JED
period 1194.531394379949
3.27
2.9347e-06
8.035e-09
d
yr
n .3013734102709514 7.4042e-10 deg/d
Q 2.575038224022646 4.2176e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1599  
   data-arc span      54796 days (150.02 yr)  
   first obs. used      1864-08-03  
   last obs. used      2014-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60853  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:33:22  

Additional Information
 Earth MOID = .816714 AU 
 T_jup = 3.642 
[ 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 7.93 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3
magnitude slope G 0.11   n/a PDS3 (MPC 17257) Fit
diameter diameter 65.88 km 2.5 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3
rotation period rot_per 5.762 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Burchi, R.; Milano, L. (1974) Astron. Astrophys. Suppl. Ser. 15, 173-180.]
[Lustig, G.; Dvorak, R. (1975) Acta Phys. Austriaca 43, 89-97.]
[Van Houten-Groeneveld, I.; van Houten, C.J.; Zappala, V. (1979) Astron. Astrophys. Suppl. Ser. 35, 223-232.]
[Weidenschilling, S.J.; Chapman, C.R.; Davis, D.R.; Greenberg, R.; et al. (1987) Icarus 70, 191-245.]
[Di Martino, M.; Zappala, V.; De Sanctis, G.; Cacciatori, S. (1987) Icarus 69, 338-353.]
[Michalowski, T. (1988) Acta Astronomica 38, 455-468.]
[Drummond, J.D.; Weidenschilling, S.J.; Chapman, C.R.; Davis, D.R. (1988) Icarus 76, 19-77.]
[Magnusson, P. (1990) Icarus 85, 229-240.]
[Drummond, J.D.; Weidenschilling, S.J.; Chapman, C.R.; Davis, D.R. (1991) Icarus 89, 44-64.]
[De Angelis, G. (1992) in Physical properties of small solar system bodies. A. Brahic, J.-C. Gerard, J. Surdej, eds. Universite de Liege, Institut d'Astrophysique, Liege, pp. 195-201.]
[Michalowski, T. (1993) Icarus 106, 563-572.]
[Dotto, E.; De Angelis, G.; Di Martino, M.; Barucci, M.A.; et al. (1995) Icarus 117, 313-327.]
[De Angelis, G. (1995) Planet. Space Sci. 43, 649-682.]
[Szabo, Gy.; Sarneczky, K.; Kiss, L.L. (1999) in Proc. IAU Coll. 173, Evolution and Source Regions of Asteroids and Comets, 185-188.]
[Foerster, I.; Potthoff, H. (2001) Minor Planet Bul. 28, 25-26.]
[Kaasalainen, M.; Torppa, J.; Piironen, J. (2002) Icarus 159, 369-395.]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hamanowa, H.; Hamanowa, H. (2011) http://www2.ocn.ne.jp/~hamaten/astlcdata.htm]
[Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.2740   0.022 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3
B-V BV .863 mag .014 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=8; phase (min.=2.51, mean=11.50, max.=26.13) deg.
U-B UB .490 mag .014 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=3; phase (min.=3.93, mean=13.67, max.=26.13) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B Sk   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)

43 Ariadne          Discovered 1857-Apr-15 by Pogson, N. R. at Oxford
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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