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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 106 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08129868879883792 3.3476e-08  
a 2.431964225073766 5.5387e-09 au
q 2.234248722369586 8.3226e-08 au
i 4.963774681312593 3.666e-06 deg
node 27.72641335608786 4.6905e-05 deg
peri 168.594955536544 5.3965e-05 deg
M 333.5711094987422 2.7379e-05 deg
tp 2459102.197582861063
(2020-Sep-09.69758286)
0.0001054 TDB
period 1385.269269182544
3.79
4.7323e-06
1.296e-08
d
yr
n .2598772729668927 8.8779e-10 deg/d
Q 2.629679727777944 5.989e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2755  
   data-arc span      56648 days (155.09 yr)  
   first obs. used      1865-05-13  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45371  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:06:51  

Additional Information
 Earth MOID = 1.23248 au 
 Jupiter MOID = 2.32528 au 
 T_jup = 3.497 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455524.5 (2010-Nov-24.0) TDB
Reference: JPL 106 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08066528630426491 3.341e-08  
q 2.237447013963588 8.2871e-08 au
tp 2454941.956032705523
(2009-Apr-20.45603271)
0.00010541 TDB
node 27.77228203456007 4.689e-05 deg
peri 167.8303790406113 5.4081e-05 deg
i 4.965975683462339 3.6631e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2755  
   data-arc span      56648 days (155.09 yr)  
   first obs. used      1865-05-13  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45371  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:06:51  

Additional Information
 Jupiter MOID = 2.32528 au 
 T_jup = 3.497 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.116226046955999E-15 -2.764079580148462E-15 4.732465833679804E-14 2.132375131662654E-15 1.174414289812981E-14 -2.810177867128507E-16
q -2.764079580148462E-15 6.867547800210627E-15 -8.557757838886717E-14 -6.1155892723354E-15 -1.893590825663887E-14 7.462302814690682E-16
tp 4.732465833679804E-14 -8.557757838886717E-14 1.111147053824972E-8 1.467305717494589E-11 2.857051869295939E-9 -4.972367940879669E-13
node 2.132375131662654E-15 -6.1155892723354E-15 1.467305717494589E-11 2.198639120855888E-9 -2.186608104019024E-9 1.234309842510736E-11
peri 1.174414289812981E-14 -1.893590825663887E-14 2.857051869295939E-9 -2.186608104019024E-9 2.924801387168083E-9 -1.242849145778398E-11
i -2.810177867128507E-16 7.462302814690682E-16 -4.972367940879669E-13 1.234309842510736E-11 -1.242849145778398E-11 1.341865299373283E-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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