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JPL Small-Body Database Browser
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91716 (1999 TG154)
Classification: Main-belt Asteroid          SPK-ID: 2091716
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1417077053126174 6.3029e-08  
a 2.909289539792087 1.8538e-08 au
q 2.49702079501815 1.8261e-07 au
i 13.08335654752532 6.9612e-06 deg
node 43.68496064593092 1.7841e-05 deg
peri 19.76449373250933 3.1149e-05 deg
M 27.5191221836742 2.1622e-05 deg
tp 2458861.948599265821
(2020-Jan-13.44859927)
0.0001088 TDB
period 1812.503463278896
4.96
1.7324e-05
4.743e-08
d
yr
n .1986203101365361 1.8984e-09 deg/d
Q 3.321558284566025 2.1164e-08 au
  Orbit Determination Parameters
   # obs. used (total)      673  
   data-arc span      7366 days (20.17 yr)  
   first obs. used      1999-10-04  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54534  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:17:31  

Additional Information
 Earth MOID = 1.51332 au 
 Jupiter MOID = 2.07276 au 
 T_jup = 3.230 
[ 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 MPO453357  
diameter diameter 4.565 km 0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91716 (1999 TG154)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TG154 = 1999 TM183 = 2001 CE44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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