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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 107 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08129868898076806 3.3474e-08  
a 2.431964225188723 5.5342e-09 au
q 2.234248722032751 8.3222e-08 au
i 4.963774679103388 3.6644e-06 deg
node 27.72641328163354 4.6855e-05 deg
peri 168.5949563021062 5.3905e-05 deg
M 333.5711086901052 2.7332e-05 deg
tp 2459102.197585979885
(2020-Sep-09.69758598)
0.00010522 TDB
period 1385.269269280766
3.79
4.7285e-06
1.295e-08
d
yr
n .2598772729484662 8.8707e-10 deg/d
Q 2.629679728344696 5.9841e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2767  
   data-arc span      56673 days (155.16 yr)  
   first obs. used      1865-05-13  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45341  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:33:33  

Additional Information
 Earth MOID = 1.23248 au 
 Jupiter MOID = 2.32528 au 
 T_jup = 3.497 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455536.5 (2010-Dec-06.0) TDB
Reference: JPL 107 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08064771303415146 3.3409e-08  
q 2.237564649301508 8.2872e-08 au
tp 2454942.062545090587
(2009-Apr-20.56254509)
0.00010529 TDB
node 27.7717929165751 4.6837e-05 deg
peri 167.862217624314 5.4022e-05 deg
i 4.96603497132061 3.6617e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2767  
   data-arc span      56673 days (155.16 yr)  
   first obs. used      1865-05-13  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45341  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:33:33  

Additional Information
 Jupiter MOID = 2.32528 au 
 T_jup = 3.497 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.116145184505755E-15 -2.764036595265124E-15 4.699992663968256E-14 2.197326546913772E-15 1.16261661097872E-14 -2.785676187105966E-16
q -2.764036595265124E-15 6.86778878005266E-15 -8.721365198521868E-14 -6.311394942598778E-15 -1.92503070968818E-14 7.396814435552977E-16
tp 4.699992663968256E-14 -8.721365198521868E-14 1.108611080868205E-8 1.443860111408449E-11 2.850949909135582E-9 -5.124100094830977E-13
node 2.197326546913772E-15 -6.311394942598778E-15 1.443860111408449E-11 2.193674697024433E-9 -2.181723196812572E-9 1.212168818957027E-11
peri 1.16261661097872E-14 -1.92503070968818E-14 2.850949909135582E-9 -2.181723196812572E-9 2.918397392675267E-9 -1.221159743680322E-11
i -2.785676187105966E-16 7.396814435552977E-16 -5.124100094830977E-13 1.212168818957027E-11 -1.221159743680322E-11 1.340820067505582E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.8   n/a MPO502153 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 10.16 h n/a LCDB (Rev. 2019-August); 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.]
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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