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91728 (1999 TM162)
Classification: Main-belt Asteroid          SPK-ID: 2091728
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08144033420663266 4.3591e-08  
a 3.129217733713724 2.7673e-08 au
q 2.874373195674756 1.4603e-07 au
i 9.955118922088747 4.4532e-06 deg
node 180.7528469586526 2.5302e-05 deg
peri 241.2448287767892 4.2118e-05 deg
M 238.3586763663385 3.7509e-05 deg
tp 2459683.673068382732
(2022-Apr-14.17306838)
0.00021577 TDB
period 2021.864751804825
5.54
2.682e-05
7.343e-08
d
yr
n .1780534527240978 2.3619e-09 deg/d
Q 3.384062271752691 2.9926e-08 au
  Orbit Determination Parameters
   # obs. used (total)      666  
   data-arc span      7604 days (20.82 yr)  
   first obs. used      1999-10-04  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57958  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:19:20  

Additional Information
 Earth MOID = 1.9024 au 
 Jupiter MOID = 1.94172 au 
 T_jup = 3.185 
[ 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 14.6   n/a MPO436413  
diameter diameter 7.917 km 0.232 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91728 (1999 TM162)          Discovered 1999-Oct-09 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TM162 = 2002 GH164 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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