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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1939580642896818 3.7557e-08  
a 3.147949735622081 2.0725e-08 au
q 2.537379498419606 1.2225e-07 au
i 5.377103644984713 4.0575e-06 deg
node 177.7969600888541 4.7539e-05 deg
peri 196.2770306596279 4.8726e-05 deg
M 330.9305667260811 1.1922e-05 deg
tp 2459561.230560051295
(2021-Dec-12.73056005)
6.8415e-05 TDB
period 2040.046706781611
5.59
2.0147e-05
5.516e-08
d
yr
n .1764665479487663 1.7427e-09 deg/d
Q 3.758519972824555 2.4745e-08 au
  Orbit Determination Parameters
   # obs. used (total)      559  
   data-arc span      7980 days (21.85 yr)  
   first obs. used      1999-10-03  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52395  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:02:42  

Additional Information
 Earth MOID = 1.53781 au 
 Jupiter MOID = 1.70649 au 
 T_jup = 3.172 
[ 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 15.29   n/a MPO637245  
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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