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513 Centesima (A916 BC)
Classification: Main-belt Asteroid          SPK-ID: 2000513
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 49 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0841804855398382 3.5337e-08  
a 3.014668476464904 1.1106e-08 au
q 2.760892220374444 1.0841e-07 au
i 9.731441345601493 3.883e-06 deg
node 184.4347869751436 2.2503e-05 deg
peri 225.9551152188468 3.1582e-05 deg
M 51.00556918817466 2.1843e-05 deg
tp 2458729.622542778151
(2019-Sep-03.12254278)
0.00011601 TDB
period 1911.867393148785
5.23
1.0565e-05
2.893e-08
d
yr
n .1882975782159721 1.0405e-09 deg/d
Q 3.268444732555364 1.2041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3198  
   data-arc span      42611 days (116.66 yr)  
   first obs. used      1903-08-24  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43453  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:07:23  

Additional Information
 Earth MOID = 1.78008 au 
 Jupiter MOID = 2.10658 au 
 T_jup = 3.221 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.5   n/a MPO502157 IRAS observations used: 6
diameter diameter 48.805 km 0.663 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.23 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Tedesco, E.F. (1979) PhD Dissertation, New. Mex. State Univ. 280pp.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.089   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.807   0.025 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=4.56, mean=6.80, max.=8.15) deg.
U-B UB 0.425   0.021 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=4.56, mean=6.35, max.=8.15) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B K   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)

513 Centesima (A916 BC)          Discovered 1903-Aug-24 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A916 BC = 1950 RM1 = A903 QD = A914 WB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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