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91655 (1999 TJ103)
Classification: Main-belt Asteroid          SPK-ID: 2091655
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1433614205242334 6.1812e-08  
a 2.801995217169014 1.5606e-08 au
q 2.400297202533556 1.7072e-07 au
i 4.794695096759911 4.8424e-06 deg
node 310.5583764523324 5.7849e-05 deg
peri 79.38905393308656 6.0228e-05 deg
M 133.6541704251065 1.6404e-05 deg
tp 2458364.467181620035
(2018-Sep-02.96718162)
7.6619e-05 TDB
period 1713.16625503349
4.69
1.4312e-05
3.918e-08
d
yr
n .2101372233677126 1.7555e-09 deg/d
Q 3.203693231804472 1.7843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      672  
   data-arc span      9391 days (25.71 yr)  
   first obs. used      1994-08-10  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55573  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:42:44  

Additional Information
 Earth MOID = 1.41114 au 
 Jupiter MOID = 2.27025 au 
 T_jup = 3.304 
[ 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 15.4   n/a MPO468903  
diameter diameter 4.003 km 0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.092   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91655 (1999 TJ103)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TJ103 = 1994 PC8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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