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512 Taurinensis (A903 MC)
Classification: Mars-crossing Asteroid          SPK-ID: 2000512
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 70 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2540171892349579 3.2961e-08  
a 2.189676223933824 5.6979e-09 au
q 1.633460824195538 7.213e-08 au
i 8.747939438500806 3.5337e-06 deg
node 107.0286483268881 2.4961e-05 deg
peri 249.1877136794317 2.6101e-05 deg
M 335.343390931621 1.099e-05 deg
tp 2459081.558605798265
(2020-Aug-20.05860580)
3.6287e-05 TDB
period 1183.500050897064
3.24
4.6195e-06
1.265e-08
d
yr
n .3041824964241691 1.1873e-09 deg/d
Q 2.745891623672111 7.1453e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2750  
   data-arc span      40657 days (111.31 yr)  
   first obs. used      1909-04-11  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42139  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:17:17  

Additional Information
 Earth MOID = .653262 au 
 Jupiter MOID = 2.73281 au 
 T_jup = 3.617 
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Orbital Elements at Epoch 2456177.5 (2012-Sep-07.0) TDB
Reference: JPL 70 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2537171588864569 3.2805e-08  
q 1.633939666019909 7.1761e-08 au
tp 2456714.193965530696
(2014-Feb-25.69396553)
3.3105e-05 TDB
node 107.1102451310925 2.4934e-05 deg
peri 249.0511234124551 2.6099e-05 deg
i 8.752069568123554 3.5358e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2750  
   data-arc span      40657 days (111.31 yr)  
   first obs. used      1909-04-11  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42139  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:17:17  

Additional Information
 Jupiter MOID = 2.73281 au 
 T_jup = 3.617 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.076173247207964E-15 -2.350105791956877E-15 1.483556587844075E-13 4.728635133580179E-15 3.411084478479439E-14 1.485865112040402E-15
q -2.350105791956877E-15 5.149648541971554E-15 -2.883626883662074E-13 -1.034911416763057E-14 -6.891800832292352E-14 -3.177064623980968E-15
tp 1.483556587844075E-13 -2.883626883662074E-13 1.095924391805054E-9 6.245737738645062E-12 2.714122248548685E-10 1.163553768121276E-12
node 4.728635133580179E-15 -1.034911416763057E-14 6.245737738645062E-12 6.217246419942767E-10 -6.122291273464487E-10 -5.5618719783359E-12
peri 3.411084478479439E-14 -6.891800832292352E-14 2.714122248548685E-10 -6.122291273464487E-10 6.811468545280303E-10 5.799381271750635E-12
i 1.485865112040402E-15 -3.177064623980968E-15 1.163553768121276E-12 -5.5618719783359E-12 5.799381271750635E-12 1.250176582892916E-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 10.8   n/a MPO473768 IRAS observations used: 5
diameter diameter 23.09 km 1.4 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 5
rotation period rot_per 5.585 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Lagerkvist, C.-I.; Kamel, L. (1982) Moon Planets 27, 463-466.]
[Harris, A.W.; Young, J.W.; Dockweiler, T.; Gibson, J.; et al. (1992) Icarus 95, 115-147.]
[Piironen, J.; Lagerkvist, C.-I.; Erikson, A.; Oja, T.; et al. (1998) Astron. Astrophys. Suppl. Ser. 128, 525-540.]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
[Benishek, V. (2016) Minor Planet Bull. 43, 339-342.]
geometric albedo albedo 0.1772   0.024 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 5
B-V BV 0.917   0.014 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=6; phase (min.=10.75, mean=15.90, max.=29.56) deg.
U-B UB 0.525   0.009 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=6; phase (min.=10.75, mean=14.22, max.=19.90) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B S   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)

512 Taurinensis (A903 MC)          Discovered 1903-Jun-23 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A903 MC = A909 GE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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