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181712 (1993 TQ16)
Classification: Main-belt Asteroid          SPK-ID: 2181712
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2419894713063338 6.9994e-08  
a 2.581238787495539 2.3284e-08 au
q 1.956606177994092 1.8921e-07 au
i 18.71311245301647 6.9633e-06 deg
node 22.62703793519011 1.1632e-05 deg
peri 324.7362527903651 1.7982e-05 deg
M 262.5443269581452 1.4804e-05 deg
tp 2459806.558033819806
(2022-Aug-15.05803382)
6.165e-05 TDB
period 1514.749091227668
4.15
2.0496e-05
5.611e-08
d
yr
n .2376631232755708 3.2158e-09 deg/d
Q 3.205871396996987 2.8919e-08 au
  Orbit Determination Parameters
   # obs. used (total)      640  
   data-arc span      10077 days (27.59 yr)  
   first obs. used      1993-10-09  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50933  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:38:32  

Additional Information
 Earth MOID = .977444 au 
 Jupiter MOID = 2.31545 au 
 T_jup = 3.310 
[ 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 15.37   n/a MPCxxxxx  
diameter diameter 3.953 km 0.862 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.094   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

181712 (1993 TQ16)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 1993 TQ16 = 2000 FN55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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