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312115 (2007 TK181)
Classification: Main-belt Asteroid          SPK-ID: 2312115
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1656414879597952 4.6529e-08  
a 2.382411620559926 1.8368e-08 au
q 1.987785414797672 1.0935e-07 au
i 7.86730162835758 4.7884e-06 deg
node 75.66264086268583 4.0917e-05 deg
peri 277.4398907167818 4.4318e-05 deg
M 178.1864101267241 1.6049e-05 deg
tp 2458335.692818013383
(2018-Aug-05.19281801)
5.7873e-05 TDB
period 1343.147243075231
3.68
1.5533e-05
4.253e-08
d
yr
n .2680272039093453 3.0997e-09 deg/d
Q 2.777037826322179 2.1411e-08 au
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      4996 days (13.68 yr)  
   first obs. used      2006-05-30  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60513  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:43:58  

Additional Information
 Earth MOID = 1.00135 au 
 Jupiter MOID = 2.68889 au 
 T_jup = 3.506 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457312.5 (2015-Oct-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1657714905132735 4.6825e-08  
q 1.987385993066775 1.101e-07 au
tp 2456989.681681881815
(2014-Nov-28.18168188)
5.6341e-05 TDB
node 75.76883852526325 4.0964e-05 deg
peri 276.8179883947849 4.4309e-05 deg
i 7.863690019403399 4.787e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      4996 days (13.68 yr)  
   first obs. used      2006-05-30  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60513  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:43:58  

Additional Information
 Jupiter MOID = 2.68889 au 
 T_jup = 3.506 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.192577026240446E-15 -5.106808142894395E-15 -7.111477974278602E-13 9.109448249153464E-16 -1.91854458272659E-13 -7.331080269835119E-15
q -5.106808142894395E-15 1.212094407228469E-14 1.647620832406992E-12 -1.971088485181116E-15 4.559209854541005E-13 1.718190103017743E-14
tp -7.111477974278602E-13 1.647620832406992E-12 3.174313855268137E-9 -2.722418355150501E-11 9.821350378070916E-10 4.250356052539937E-12
node 9.109448249153464E-16 -1.971088485181116E-15 -2.722418355150501E-11 1.678027140272411E-9 -1.670039666508238E-9 4.939463792043953E-11
peri -1.91854458272659E-13 4.559209854541005E-13 9.821350378070916E-10 -1.670039666508238E-9 1.963274267373388E-9 -4.769276083948206E-11
i -7.331080269835119E-15 1.718190103017743E-14 4.250356052539937E-12 4.939463792043953E-11 -4.769276083948206E-11 2.291580625270263E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO460288  

312115 (2007 TK181)          Discovered 2007-Oct-08 by LONEOS at Anderson Mesa
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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