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JPL Small-Body Database Browser
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454 Mathesis (A900 FB)
Classification: Main-belt Asteroid          SPK-ID: 2000454
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 101 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1100611779208056 4.2718e-08  
a 2.629609669186899 5.1397e-09 au
q 2.340191731524249 1.1234e-07 au
i 6.288945515300015 4.6889e-06 deg
node 32.26284969770757 3.6173e-05 deg
peri 177.8795542882604 4.0651e-05 deg
M 61.38950114114781 1.8771e-05 deg
tp 2458734.900677820951
(2019-Sep-08.40067782)
8.1119e-05 TDB
period 1557.526192705433
4.26
4.5664e-06
1.25e-08
d
yr
n .2311357598260854 6.7764e-10 deg/d
Q 2.919027606849549 5.7053e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2714  
   data-arc span      43587 days (119.33 yr)  
   first obs. used      1900-03-31  
   last obs. used      2019-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46735  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 20:43:16  

Additional Information
 Earth MOID = 1.33471 au 
 Jupiter MOID = 2.04213 au 
 T_jup = 3.383 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.3   n/a MPO473767 IRAS observations used: 3
diameter diameter 81.743 km 1.432 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8.378 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Buchheim, R.K. (2006) Minor Planet Bull. 33, 29-30.]
[Licchelli, D. (2006) Minor Planet Bull. 33, 105-106.]
geometric albedo albedo 0.055   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.662   0.055 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=4.19, mean=8.51, max.=13.15) deg.
U-B UB 0.347   0.058 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=4.19, mean=8.51, max.=13.15) deg.
Tholen spectral type spec_T CB   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

454 Mathesis (A900 FB)          Discovered 1900-Mar-28 by Schwassmann, A. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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