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186123 (2001 TW146)
Classification: Main-belt Asteroid          SPK-ID: 2186123
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2037866698012375 5.8124e-08  
a 2.552309582647745 1.5408e-08 au
q 2.032182912498175 1.5098e-07 au
i 5.489239378433147 1.1275e-05 deg
node 144.251542296929 6.3114e-05 deg
peri 138.5204245363241 6.9527e-05 deg
M 328.6330689782528 2.8194e-05 deg
tp 2459330.268110632311
(2021-Apr-25.76811063)
0.00011669 TDB
period 1489.355773927724
4.08
1.3487e-05
3.693e-08
d
yr
n .2417152478286697 2.1888e-09 deg/d
Q 3.072436252797316 1.8548e-08 au
  Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      8821 days (24.15 yr)  
   first obs. used      1996-03-27  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65556  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:50:00  

Additional Information
 Earth MOID = 1.01778 au 
 Jupiter MOID = 2.10182 au 
 T_jup = 3.404 
[ 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 16.42   n/a E2021B55  

186123 (2001 TW146)          Discovered 2001-Oct-10 by NEAT at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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