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249942 (2001 TB168)
Classification: Main-belt Asteroid          SPK-ID: 2249942
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1707018241019125 5.1878e-08  
a 2.760777198175485 1.7018e-08 au
q 2.289507494507962 1.4679e-07 au
i 24.60320560527441 4.8831e-06 deg
node 244.9337641479018 1.4187e-05 deg
peri 213.6021345309199 2.6394e-05 deg
M 254.7182332555996 2.1424e-05 deg
tp 2459090.500055740004
(2020-Aug-29.00005574)
0.00010177 TDB
period 1675.503988213453
4.59
1.5492e-05
4.241e-08
d
yr
n .2148607240164547 1.9867e-09 deg/d
Q 3.232046901843007 1.9923e-08 au
  Orbit Determination Parameters
   # obs. used (total)      561  
   data-arc span      6620 days (18.12 yr)  
   first obs. used      2001-10-15  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47787  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:46:34  

Additional Information
 Earth MOID = 1.33189 au 
 Jupiter MOID = 2.13876 au 
 T_jup = 3.190 
[ 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 15.2   n/a MPO407845  
diameter diameter 2.971 km 1.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.264   0.154 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249942 (2001 TB168)          Discovered 2001-Oct-15 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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