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91628 (1999 TC58)
Classification: Main-belt Asteroid          SPK-ID: 2091628
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05616575517902568 5.2399e-08  
a 3.173903014276166 3.0079e-08 au
q 2.995638354614359 1.7831e-07 au
i 21.66382595828738 6.0547e-06 deg
node 218.1824982133365 1.1511e-05 deg
peri 37.36857644883351 4.5945e-05 deg
M 21.42185887862692 4.4125e-05 deg
tp 2458877.602355890792
(2020-Jan-29.10235589)
0.00025283 TDB
period 2065.327389653257
5.65
2.9359e-05
8.038e-08
d
yr
n .1743065054981136 2.4778e-09 deg/d
Q 3.352167673937973 3.1768e-08 au
  Orbit Determination Parameters
   # obs. used (total)      701  
   data-arc span      10276 days (28.13 yr)  
   first obs. used      1991-05-15  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53147  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:34:54  

Additional Information
 Earth MOID = 2.0034 au 
 Jupiter MOID = 1.66383 au 
 T_jup = 3.089 
[ 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 14.1   n/a MPO432454  
diameter diameter 8.406 km 0.250 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91628 (1999 TC58)          Discovered 1999-Oct-06 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TC58 = 2002 JA43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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