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442662 (2012 TW207)
Classification: Main-belt Asteroid          SPK-ID: 2442662
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1386285501376568 7.9263e-08  
a 2.725384806658655 6.3131e-08 au
q 2.347568662344368 2.0838e-07 au
i 8.836334177975345 9.3097e-06 deg
node 246.027333214235 5.6029e-05 deg
peri 192.5110650635159 6.5502e-05 deg
M 216.6996133262178 3.9424e-05 deg
tp 2459654.661580659306
(2022-Mar-16.16158066)
0.00019212 TDB
period 1643.388231557621
4.50
5.7101e-05
1.563e-07
d
yr
n .2190596190766123 7.6114e-09 deg/d
Q 3.103200950972943 7.1883e-08 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      5139 days (14.07 yr)  
   first obs. used      2005-04-05  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61482  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:42:24  

Additional Information
 Earth MOID = 1.36374 au 
 Jupiter MOID = 2.16433 au 
 T_jup = 3.326 
[ 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 16.4   n/a MPO434644  

442662 (2012 TW207)          Discovered 2012-Oct-11 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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