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JPL Small-Body Database Browser
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91689 (1999 TJ127)
Classification: Main-belt Asteroid          SPK-ID: 2091689
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1948986345990585 4.1224e-08  
a 3.144618857126005 2.6217e-08 au
q 2.531736935537695 1.3085e-07 au
i 5.371365048823254 4.9231e-06 deg
node 177.9333365605297 5.4881e-05 deg
peri 196.6335707894444 5.6493e-05 deg
M 260.6452198168024 1.5461e-05 deg
tp 2459562.629936589141
(2021-Dec-14.12993659)
9.1946e-05 TDB
period 2036.809671351014
5.58
2.5472e-05
6.974e-08
d
yr
n .1767470004996649 2.2104e-09 deg/d
Q 3.757500778714315 3.1327e-08 au
  Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      7151 days (19.58 yr)  
   first obs. used      1999-10-03  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5339  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:04:27  

Additional Information
 Earth MOID = 1.53312 au 
 Jupiter MOID = 1.70551 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 15.2   n/a MPO436412  
diameter diameter 5.208 km 0.255 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91689 (1999 TJ127)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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