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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 74 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2538943214589399 3.2537e-08  
a 2.189354452888138 4.5205e-09 au
q 1.633489789638996 7.0909e-08 au
i 8.747935569883103 3.1202e-06 deg
node 107.0270319281112 2.4128e-05 deg
peri 249.2122574712574 2.4866e-05 deg
M 36.1746466124179 6.9123e-06 deg
tp 2459081.602056888503
(2020-Aug-20.10205689)
2.2699e-05 TDB
period 1183.239189002762
3.24
3.6647e-06
1.003e-08
d
yr
n .3042495577782623 9.423e-10 deg/d
Q 2.745219116137281 5.6682e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3123  
   data-arc span      40826 days (111.78 yr)  
   first obs. used      1909-04-11  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40259  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:47:18  

Additional Information
 Earth MOID = .651659 au 
 Jupiter MOID = 2.73426 au 
 T_jup = 3.617 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456474.5 (2013-Jul-01.0) TDB
Reference: JPL 74 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .253482772981574 3.238e-08  
q 1.634733912452121 7.0528e-08 au
tp 2456714.283508382316
(2014-Feb-25.78350838)
2.3762e-05 TDB
node 107.103733116003 2.4096e-05 deg
peri 249.0386513810315 2.4856e-05 deg
i 8.752312366358781 3.1224e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3123  
   data-arc span      40826 days (111.78 yr)  
   first obs. used      1909-04-11  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40259  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:47:18  

Additional Information
 Jupiter MOID = 2.73426 au 
 T_jup = 3.617 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.048453281061207E-15 -2.281101037689778E-15 2.194510336840996E-13 3.235036330448474E-15 4.997752926979964E-14 -1.736684184228125E-15
q -2.281101037689778E-15 4.974226850541189E-15 -5.013820481449775E-13 -6.974758085774961E-15 -1.159531600274451E-13 3.779375880376179E-15
tp 2.194510336840996E-13 -5.013820481449775E-13 5.646228270835667E-10 5.633357114217853E-12 1.595048358318709E-10 -1.150321363752796E-12
node 3.235036330448474E-15 -6.974758085774961E-15 5.633357114217853E-12 5.806024711241235E-10 -5.719236754742798E-10 -9.344993997517197E-12
peri 4.997752926979964E-14 -1.159531600274451E-13 1.595048358318709E-10 -5.719236754742798E-10 6.178034202858188E-10 8.93644418483884E-12
i -1.736684184228125E-15 3.779375880376179E-15 -1.150321363752796E-12 -9.344993997517197E-12 8.93644418483884E-12 9.749121567134645E-12

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.81   n/a E2021B10 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. 2020-October); 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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