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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03400255356103312 4.6549e-08  
a 3.134744096992 2.8414e-08 au
q 3.028154792933897 1.4444e-07 au
i 12.74429981048933 5.6845e-06 deg
node 192.5538819931562 2.1564e-05 deg
peri 223.8966661403461 8.4892e-05 deg
M 287.4796701329127 8.3672e-05 deg
tp 2459804.874707881594
(2022-Aug-13.37470788)
0.00047166 TDB
period 2027.223195300095
5.55
2.7563e-05
7.546e-08
d
yr
n .1775828141837674 2.4145e-09 deg/d
Q 3.241333401050103 2.938e-08 au
  Orbit Determination Parameters
   # obs. used (total)      600  
   data-arc span      7975 days (21.83 yr)  
   first obs. used      1999-10-06  
   last obs. used      2021-08-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54566  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:02:43  

Additional Information
 Earth MOID = 2.0465 au 
 Jupiter MOID = 1.89776 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 14.69   n/a E2021B10  
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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