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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 101 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1093709708941106 4.2732e-08  
a 2.627673571540509 5.1808e-09 au
q 2.340282361828328 1.1224e-07 au
i 6.291841104619675 4.6908e-06 deg
node 32.29096481894845 3.6151e-05 deg
peri 177.7023861796946 4.0681e-05 deg
M 329.0332746676444 1.8839e-05 deg
tp 2458734.328412940590
(2019-Sep-07.82841294)
8.1471e-05 TDB
period 1555.806374149396
4.26
4.6012e-06
1.26e-08
d
yr
n .2313912617801314 6.8432e-10 deg/d
Q 2.91506478125269 5.7474e-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 = 1.33505 au 
 Jupiter MOID = 2.04694 au 
 T_jup = 3.384 
[ 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-January); 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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