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91705 (1999 TR145)
Classification: Outer Main-belt Asteroid          SPK-ID: 2091705
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09379189462777447 4.689e-08  
a 3.206132546998494 2.7425e-08 au
q 2.905423300987733 1.425e-07 au
i 5.028693532314191 7.3552e-06 deg
node 22.18130837067968 5.6201e-05 deg
peri 93.41120300054706 6.9759e-05 deg
M 124.8155087118271 3.972e-05 deg
tp 2458273.496190566623
(2018-Jun-03.99619057)
0.00023048 TDB
period 2096.865798947112
5.74
2.6905e-05
7.366e-08
d
yr
n .171684807001366 2.2029e-09 deg/d
Q 3.506841793009255 2.9997e-08 au
  Orbit Determination Parameters
   # obs. used (total)      748  
   data-arc span      7174 days (19.64 yr)  
   first obs. used      1999-09-09  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56678  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:44:11  

Additional Information
 Earth MOID = 1.92747 au 
 Jupiter MOID = 1.58558 au 
 T_jup = 3.180 
[ 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 14.2   n/a MPO395816  
diameter diameter 6.106 km 1.781 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.119   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91705 (1999 TR145)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TR145 = 1999 TJ229 = 2001 AH31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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