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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1419158669485785 5.8717e-08  
a 2.908940784585538 1.6806e-08 au
q 2.496115931239003 1.68e-07 au
i 13.08404446703976 5.6215e-06 deg
node 43.66998175815431 1.6631e-05 deg
peri 19.69013775047062 3.0396e-05 deg
M 106.2398315391547 2.1104e-05 deg
tp 2458861.707115208345
(2020-Jan-13.20711521)
0.00010626 TDB
period 1812.177558414523
4.96
1.5705e-05
4.3e-08
d
yr
n .1986560303257284 1.7216e-09 deg/d
Q 3.321765637932073 1.9191e-08 au
  Orbit Determination Parameters
   # obs. used (total)      855  
   data-arc span      7942 days (21.74 yr)  
   first obs. used      1999-10-04  
   last obs. used      2021-07-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52381  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:17:48  

Additional Information
 Earth MOID = 1.51199 au 
 Jupiter MOID = 2.0745 au 
 T_jup = 3.231 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.31   n/a MPO637245  
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

Alternate Designations
 1999 TG154 = 1999 TM183 = 2001 CE44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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