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58188 (1991 TA9)
Classification: Outer Main-belt Asteroid          SPK-ID: 2058188
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1706942469002546 6.0612e-08  
a 3.929090862120255 4.1047e-08 au
q 3.258417656407966 2.429e-07 au
i 5.007618852456591 6.3891e-06 deg
node 35.33810679552463 5.9774e-05 deg
peri 328.4713230893075 6.1235e-05 deg
M 207.0366307909172 1.446e-05 deg
tp 2459809.208219196723
(2022-Aug-17.70821920)
0.00012555 TDB
period 2844.700408736698
7.79
4.4578e-05
1.22e-07
d
yr
n .126551111988581 1.9831e-09 deg/d
Q 4.599764067832544 4.8054e-08 au
  Orbit Determination Parameters
   # obs. used (total)      514  
   data-arc span      10084 days (27.61 yr)  
   first obs. used      1991-10-01  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5865  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:12:45  

Additional Information
 Earth MOID = 2.25713 au 
 Jupiter MOID = .864134 au 
 T_jup = 3.030 
[ 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 MPO436189  
diameter diameter 9.118 km 1.070 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.053   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

58188 (1991 TA9)          Discovered 1991-Oct-01 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 TA9 = 1999 VF150 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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