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JPL Small-Body Database Browser
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442657 (2012 TD166)
Classification: Main-belt Asteroid          SPK-ID: 2442657
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1431856344318186 5.5978e-08  
a 2.27666795620964 4.4298e-08 au
q 1.950681810509171 1.2007e-07 au
i 5.36188018086145 5.9489e-06 deg
node 74.44079198251063 9.0751e-05 deg
peri 332.0845035520954 9.9633e-05 deg
M 308.4063882450631 4.9577e-05 deg
tp 2458780.321410451670
(2019-Oct-23.82141045)
0.00017702 TDB
period 1254.723318655953
3.44
3.6621e-05
1.003e-07
d
yr
n .2869158440329526 8.374e-09 deg/d
Q 2.602654101910109 5.0641e-08 au
  Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      3634 days (9.95 yr)  
   first obs. used      2007-03-13  
   last obs. used      2017-02-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57057  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:26:33  

Additional Information
 Earth MOID = .961984 au 
 Jupiter MOID = 2.75812 au 
 T_jup = 3.589 
[ 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 18.2   n/a MPO402748  

442657 (2012 TD166)          Discovered 2009-Nov-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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