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382280 (2012 TW255)
Classification: Main-belt Asteroid          SPK-ID: 2382280
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .025477643173152 5.2281e-08  
a 2.665510386044233 3.614e-08 au
q 2.597599463554267 1.4495e-07 au
i 6.256644766430537 6.4402e-06 deg
node 157.2713688643489 5.7328e-05 deg
peri 100.7408435302119 0.0001453 deg
M 18.17464766065925 0.00013514 deg
tp 2458920.252318269030
(2020-Mar-11.75231827)
0.00059643 TDB
period 1589.530975375241
4.35
3.2327e-05
8.851e-08
d
yr
n .226481902886488 4.6061e-09 deg/d
Q 2.733421308534199 3.7061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      5696 days (15.59 yr)  
   first obs. used      2003-08-31  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64092  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:49:55  

Additional Information
 Earth MOID = 1.59122 au 
 Jupiter MOID = 2.26396 au 
 T_jup = 3.375 
[ 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 16.6   n/a MPO434368  

382280 (2012 TW255)          Discovered 2006-Mar-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-12-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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