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64 Angelina
Classification: Main-belt Asteroid          SPK-ID: 2000064
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 90 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1269337760988722 2.5945e-08  
a 2.682426820172364 6.4912e-09 AU
q 2.341936254778996 7.0159e-08 AU
i 1.310350404683519 3.1616e-06 deg
node 309.1559062059503 0.00018521 deg
peri 178.8928477133387 0.00018599 deg
M 354.580714615569 1.5403e-05 deg
tp 2456824.656264269345
(2014-Jun-16.15626427)
6.8682e-05 JED
period 1604.686692077078
4.39
5.8248e-06
1.595e-08
d
yr
n .224342858813157 8.1433e-10 deg/d
Q 3.022917385565733 7.3152e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1688  
   data-arc span      55914 days (153.08 yr)  
   first obs. used      1861-03-08  
   last obs. used      2014-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58981  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:08:38  

Additional Information
 Earth MOID = 1.35695 AU 
 T_jup = 3.364 
[ 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 7.67 mag n/a PDS3 (MPC 17257)  
magnitude slope G 0.48   n/a PDS3 (MPC 17257) Fit
rotation period rot_per 8.752 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Published Reference List:
[Poutanen, M. (1983) in Asteroids, Comets, Meteors. C.-I. Lagerkvist, H. Rickman, eds. Uppsala, pp. 45-48.]
[Harris, A.W.; Young, J.W.; Contreiras, L.; Dockweiler, T.; et al. (1989) Icarus 81, 365-374.]
[Michalowski, T. (1993) Icarus 106, 563-572.]
[Rosenbush, V.K.; Kiselev, N.N.; Shevchenko, V.G.; Jockers, K.; et al. (2005) Icarus 178, 222-234.]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J. (2006) IAU 2006, poster paper.]
[Durech, J.; Kaasalainen, M.; Herald, D.; Dunham, D.; et al. (2011) Icarus 214, 652-670.]
geometric albedo albedo 0.157   n/a EAR-A-5-DDR-ALBEDOS-V1.0:TRIAD IMPS quality code 2: from the PDS IMPS singleton file
B-V BV .734 mag .037 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=7; phase (min.=4.80, mean=9.35, max.=16.41) deg.
U-B UB .254 mag .040 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=7; phase (min.=4.80, mean=9.35, max.=16.41) deg.
Tholen spectral type spec_T E   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B Xe   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)

64 Angelina          Discovered 1861-Mar-04 by Tempel, E. W. at Marseille
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1930 QY 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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