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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2001445315074139 6.2339e-08  
a 2.643989370156892 1.3703e-08 au
q 2.114809356356259 1.6503e-07 au
i 14.47845572388967 5.6345e-06 deg
node 42.76533238991338 1.8261e-05 deg
peri 319.0414710681475 2.1022e-05 deg
M 138.7852383427344 9.5943e-06 deg
tp 2457995.119038411957
(2017-Aug-29.61903841)
4.1465e-05 TDB
period 1570.319356540593
4.30
1.2207e-05
3.342e-08
d
yr
n .2292527303446596 1.7822e-09 deg/d
Q 3.173169383957526 1.6445e-08 au
  Orbit Determination Parameters
   # obs. used (total)      902  
   data-arc span      10047 days (27.51 yr)  
   first obs. used      1991-10-01  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54253  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:33:31  

Additional Information
 Earth MOID = 1.13494 au 
 Jupiter MOID = 2.3398 au 
 T_jup = 3.320 
[ 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 14.8   n/a MPO381676  
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

[ show close-approach data ]
Alternate Designations
 1991 TD = 2000 TX33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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