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JPL Small-Body Database Browser
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357106 (2001 TW257)
Classification: Main-belt Asteroid          SPK-ID: 2357106
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06736290350162455 6.3577e-08  
a 2.767092441948937 3.2626e-08 au
q 2.580693060801856 1.6855e-07 au
i 10.08479609474967 5.9935e-06 deg
node 163.4864446782198 3.0318e-05 deg
peri 36.31595620798544 4.9282e-05 deg
M 107.172074081441 3.9739e-05 deg
tp 2458099.989648539550
(2017-Dec-12.48964854)
0.00018303 TDB
period 1681.256316723317
4.60
2.9735e-05
8.141e-08
d
yr
n .2141255895481908 3.787e-09 deg/d
Q 2.953491823096018 3.4824e-08 au
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      6569 days (17.98 yr)  
   first obs. used      2001-10-08  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59221  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 11:07:01  

Additional Information
 Earth MOID = 1.58778 au 
 Jupiter MOID = 2.01697 au 
 T_jup = 3.313 
[ 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 16.2   n/a MPO440600  

357106 (2001 TW257)          Discovered 2001-Oct-10 by NEAT at Palomar
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2001 TW257 = 2013 BJ26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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