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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 72 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08165215749598562 4.8369e-08  
a 2.432264428489403 6.3629e-09 AU
q 2.233664790302503 1.1738e-07 AU
i 4.963818980982993 5.4208e-06 deg
node 27.74940612961296 7.0539e-05 deg
peri 168.9962727474622 8.1406e-05 deg
M 121.4690462894001 4.0123e-05 deg
tp 2456333.004181930528
(2013-Feb-09.50418193)
0.00015436 JED
period 1385.525775052508
3.79
5.4369e-06
1.489e-08
d
yr
n .2598291612340137 1.0196e-09 deg/d
Q 2.630864066676303 6.8825e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1162  
   data-arc span      54112 days (148.15 yr)  
   first obs. used      1865-05-13  
   last obs. used      2013-07-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .66057  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 13:17:37  

Additional Information
 Earth MOID = 1.23217 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. 2013-Sep-12) 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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