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91697 (1999 TO137)
Classification: Main-belt Asteroid          SPK-ID: 2091697
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03578797341437827 5.1143e-08  
a 3.135107424124737 3.0363e-08 au
q 3.022908282978941 1.5585e-07 au
i 12.72220336113935 5.8986e-06 deg
node 192.7993270802025 2.3454e-05 deg
peri 222.6215412662942 8.3785e-05 deg
M 218.4130936580112 8.2423e-05 deg
tp 2459797.939342805079
(2022-Aug-06.43934281)
0.00046643 TDB
period 2027.575648248294
5.55
2.9455e-05
8.064e-08
d
yr
n .1775519450093114 2.5794e-09 deg/d
Q 3.247306565270533 3.145e-08 au
  Orbit Determination Parameters
   # obs. used (total)      542  
   data-arc span      7209 days (19.74 yr)  
   first obs. used      1999-10-06  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56774  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:36:03  

Additional Information
 Earth MOID = 2.04146 au 
 Jupiter MOID = 1.90502 au 
 T_jup = 3.173 
[ 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 6.568 km 0.277 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91697 (1999 TO137)          Discovered 1999-Oct-06 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TO137 = 2002 EF82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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