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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1658242397404831 4.5033e-08  
a 2.382042251025765 1.7429e-08 au
q 1.987041905719709 1.0541e-07 au
i 7.867552684036984 4.5863e-06 deg
node 75.65850018149568 3.8755e-05 deg
peri 277.4559350985768 4.2111e-05 deg
M 231.7898760701995 1.5322e-05 deg
tp 2459678.736188843053
(2022-Apr-09.23618884)
5.9036e-05 TDB
period 1342.834892490747
3.68
1.4738e-05
4.035e-08
d
yr
n .2680895484717832 2.9424e-09 deg/d
Q 2.777042596331822 2.0319e-08 au
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      5376 days (14.72 yr)  
   first obs. used      2006-05-30  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5983  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:28:43  

Additional Information
 Earth MOID = .998955 au 
 Jupiter MOID = 2.68944 au 
 T_jup = 3.506 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457419.5 (2016-Feb-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1656772710422679 4.5267e-08  
q 1.987838068134531 1.0597e-07 au
tp 2456989.727654195084
(2014-Nov-28.22765419)
5.4202e-05 TDB
node 75.765917935967 3.8799e-05 deg
peri 276.8564376989108 4.2119e-05 deg
i 7.863163038134033 4.5841e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      5376 days (14.72 yr)  
   first obs. used      2006-05-30  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5983  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:28:43  

Additional Information
 Jupiter MOID = 2.68944 au 
 T_jup = 3.506 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.049062501981282E-15 -4.753413637531385E-15 -5.294430199953253E-13 -2.49609076133095E-15 -1.370900195393638E-13 -7.025628579295166E-15
q -4.753413637531385E-15 1.12294290022478E-14 1.188552695195622E-12 7.226295201681369E-15 3.193397377148934E-13 1.6440780522672E-14
tp -5.294430199953253E-13 1.188552695195622E-12 2.937894872790635E-9 -2.3710097423666E-11 9.135866496396632E-10 3.654294771355668E-12
node -2.49609076133095E-15 7.226295201681369E-15 -2.3710097423666E-11 1.505385579085546E-9 -1.498145868889887E-9 3.148803489639229E-11
peri -1.370900195393638E-13 3.193397377148934E-13 9.135866496396632E-10 -1.498145868889887E-9 1.774050692508173E-9 -3.014119389404053E-11
i -7.025628579295166E-15 1.6440780522672E-14 3.654294771355668E-12 3.148803489639229E-11 -3.014119389404053E-11 2.101415219513957E-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 17.38   n/a E2021B25  

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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