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58187 (1991 TD)
Classification: Main-belt Asteroid          SPK-ID: 2058187
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2004669774689164 5.1258e-08  
a 2.645291088784532 1.2928e-08 au
q 2.114997579690438 1.3768e-07 au
i 14.47522455667416 5.1456e-06 deg
node 42.73863362150687 1.542e-05 deg
peri 318.8190726670313 1.7583e-05 deg
M 321.5534195102013 9.3109e-06 deg
tp 2459564.327779440846
(2021-Dec-15.82777944)
4.1141e-05 TDB
period 1571.479175234734
4.30
1.152e-05
3.154e-08
d
yr
n .2290835320463132 1.6793e-09 deg/d
Q 3.175584597878625 1.5519e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1049  
   data-arc span      10869 days (29.76 yr)  
   first obs. used      1991-10-01  
   last obs. used      2021-07-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53271  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:26:09  

Additional Information
 Earth MOID = 1.13528 au 
 Jupiter MOID = 2.34329 au 
 T_jup = 3.320 
[ 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 14.81   n/a E2021B10  
diameter diameter 3.101 km 0.891 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.291   0.242 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58187 (1991 TD)          Discovered 1991-Oct-01 by McNaught, R. H. at Siding Spring
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 TD = 2000 TX33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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