Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
512 Taurinensis (A903 MC)
Classification: Mars-crossing Asteroid          SPK-ID: 2000512
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 69 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2540171902897433 3.3028e-08  
a 2.189676225192046 6.2116e-09 au
q 1.633460822824511 7.2194e-08 au
i 8.74793991877312 3.5786e-06 deg
node 107.0286453039197 2.5219e-05 deg
peri 249.1877186635844 2.6639e-05 deg
M 335.3433875776606 1.2858e-05 deg
tp 2459081.558616894277
(2020-Aug-20.05861689)
4.2475e-05 TDB
period 1183.50005191715
3.24
5.0359e-06
1.379e-08
d
yr
n .3041824961619872 1.2943e-09 deg/d
Q 2.745891627559581 7.7894e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2654  
   data-arc span      40603 days (111.16 yr)  
   first obs. used      1909-04-11  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42761  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:15:21  

Additional Information
 Earth MOID = .653262 au 
 Jupiter MOID = 2.73281 au 
 T_jup = 3.617 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456120.5 (2012-Jul-12.0) TDB
Reference: JPL 69 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2537719658251871 3.2871e-08  
q 1.633750603418459 7.1822e-08 au
tp 2455530.913279471324
(2010-Nov-30.41327947)
3.6108e-05 TDB
node 107.1123891968177 2.5193e-05 deg
peri 249.0470282664659 2.6639e-05 deg
i 8.752161765653556 3.5809e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2654  
   data-arc span      40603 days (111.16 yr)  
   first obs. used      1909-04-11  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42761  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:15:21  

Additional Information
 Jupiter MOID = 2.73281 au 
 T_jup = 3.617 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.080495800719617E-15 -2.356089937066829E-15 1.721651340187376E-13 4.419185621685576E-15 4.1869976201106E-14 1.616419227752805E-15
q -2.356089937066829E-15 5.158358202107836E-15 -3.302379478808798E-13 -9.646943999172242E-15 -7.873992720593277E-14 -3.404003281802571E-15
tp 1.721651340187376E-13 -3.302379478808798E-13 1.303821861808622E-9 6.340103651451198E-12 3.301679686425641E-10 1.594857011277827E-12
node 4.419185621685576E-15 -9.646943999172242E-15 6.340103651451198E-12 6.346672396455892E-10 -6.249861734836737E-10 -7.536500713328448E-12
peri 4.1869976201106E-14 -7.873992720593277E-14 3.301679686425641E-10 -6.249861734836737E-10 7.096451293959975E-10 7.875618565136068E-12
i 1.616419227752805E-15 -3.404003281802571E-15 1.594857011277827E-12 -7.536500713328448E-12 7.875618565136068E-12 1.282258129835049E-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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-10 03:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin