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105 Artemis
Classification: Main-belt Asteroid          SPK-ID: 2000105
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 79 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1775219626033053 3.7029e-08  
a 2.373831787017844 5.0375e-09 AU
q 1.952424509296325 8.8361e-08 AU
i 21.44048539654512 5.441e-06 deg
node 188.2647625340629 1.6751e-05 deg
peri 57.19191467908982 2.4504e-05 deg
M 41.12903619158033 1.7702e-05 deg
tp 2456647.877216420734
(2013-Dec-21.37721642)
6.5518e-05 JED
period 1335.89811909533
3.66
4.2524e-06
1.164e-08
d
yr
n .2694816280180047 8.578e-10 deg/d
Q 2.795239064739364 5.9318e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1241  
   # delay obs. used      2  
   # Doppler obs. used      0  
   data-arc span      35778 days (97.95 yr)  
   first obs. used      1915-06-20  
   last obs. used      2013-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56116  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Oct-22 15:39:37  

Additional Information
 Earth MOID = 1.01151 AU 
 T_jup = 3.429 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.57 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 9
magnitude slope G 0.10   n/a PDS3 (MPC 17257) Fit
diameter diameter 119.08 km 2.8 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 9
rotation period rot_per 37.15506 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) sidereal period (not synodic)
Published Reference List:
[Higley, S.; Hardersen, P.; Dyvig, R. (2008) Minor Planet Bul. 35, 63-66.]
[Pilcher, F. (2010) Minor Planet Bul. 37, 167.]
[Higgins, D.J. (2011) http://www.david-higgins.com/Astronomy/astero id/lightcurves.htm]
geometric albedo albedo 0.0465   0.002 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 9
B-V BV .693 mag .026 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=5; phase (min.=11.12, mean=19.38, max.=27.00) deg.
U-B UB .317 mag .016 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=4; phase (min.=11.12, mean=18.99, max.=27.00) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B Ch   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)

105 Artemis          Discovered 1868-Sep-16 by Watson, J. C. at Ann Arbor
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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