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83 Beatrix
Classification: Main-belt Asteroid          SPK-ID: 2000083
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 78 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08180029240835485 3.6447e-08  
a 2.431923973056975 6.5614e-09 AU
q 2.232991880946027 8.9296e-08 AU
i 4.964182992073086 4.4321e-06 deg
node 27.74586977278882 5.241e-05 deg
peri 168.9711135931776 5.9289e-05 deg
M 173.4644282940199 2.7908e-05 deg
tp 2456333.030622031015
(2013-Feb-09.53062203)
0.00010741 JED
period 1385.234877444428
3.79
5.6061e-06
1.535e-08
d
yr
n .2598837250359676 1.0518e-09 deg/d
Q 2.630856065167924 7.0981e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1266  
   data-arc span      54571 days (149.41 yr)  
   first obs. used      1865-05-13  
   last obs. used      2014-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60352  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 12:40:51  

Additional Information
 Earth MOID = 1.23247 AU 
 T_jup = 3.497 
[ 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 8.66 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 15
diameter diameter 81.37 km 2.0 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 15
rotation period rot_per 10.16 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Zappala, V.; Scaltriti, F.; Di Martino, M. (1983) Icarus 56, 325-344.]
[Krugly, Yu.N.; Shevchenko, V.G.; Velichko, F.P.; Bowell, E.; et al. (1994) Astron. Astrophys. Suppl. Ser. 108, 143-149.]
geometric albedo albedo 0.0917   0.005 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 15
B-V BV .704 mag .017 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=3; phase (min.=14.38, mean=17.99, max.=21.25) deg.
U-B UB .266 mag .027 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=3; phase (min.=14.38, mean=17.99, max.=21.25) deg.
Tholen spectral type spec_T X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices
SMASSII spectral type spec_B X   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)

83 Beatrix          Discovered 1865-Apr-26 by De Gasparis, A. at Naples
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1950 QV 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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