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83 Beatrix (A865 HA)
Classification: Main-belt Asteroid          SPK-ID: 2000083
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 111 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08116161568305934 1.5936e-08  
a 2.431611964432065 4.9338e-09 au
q 2.234258408684501 4.0979e-08 au
i 4.964051161118896 6.3566e-07 deg
node 27.72517552327759 5.7599e-06 deg
peri 168.6331340939296 1.6119e-05 deg
M 25.52034545597831 1.7591e-05 deg
tp 2459102.319806787998
(2020-Sep-09.81980679)
6.7545e-05 TDB
period 1384.968303712404
3.79
4.2152e-06
1.154e-08
d
yr
n .259933746523311 7.9112e-10 deg/d
Q 2.628965520179629 5.3342e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2814  
   data-arc span      56926 days (155.85 yr)  
   first obs. used      1865-05-13  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45253  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 17:49:55  

Additional Information
 Earth MOID = 1.23171 au 
 Jupiter MOID = 2.32491 au 
 T_jup = 3.497 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.77   n/a E2021B10 IRAS observations used: 15
diameter diameter 110.503 km 0.829 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 10.111 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 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.]
[Pilcher, F. (2020) Minor Planet Bull. 47, 192-195.]
geometric albedo albedo 0.050   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.704   0.017 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=14.38, mean=17.99, max.=21.25) deg.
U-B UB 0.266   0.027 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #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 (A865 HA)          Discovered 1865-Apr-26 by De Gasparis, A. at Naples
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A865 HA = 1950 QV 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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