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190871 (2001 TK74)
Classification: Main-belt Asteroid          SPK-ID: 2190871
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2366861199517488 5.985e-08  
a 2.36258077963964 9.7165e-09 au
q 1.803390701834156 1.4318e-07 au
i 1.504844677874038 5.6353e-06 deg
node 234.1758399700672 0.00020554 deg
peri 116.7702375038895 0.00020592 deg
M 128.1709934807777 9.3719e-06 deg
tp 2458728.256839756724
(2019-Sep-01.75683976)
3.4911e-05 TDB
period 1326.411952272774
3.63
8.1827e-06
2.24e-08
d
yr
n .2714088932802128 1.6743e-09 deg/d
Q 2.921770857445124 1.2016e-08 au
  Orbit Determination Parameters
   # obs. used (total)      348  
   data-arc span      7067 days (19.35 yr)  
   first obs. used      2001-10-13  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55847  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:27  

Additional Information
 Earth MOID = .796507 au 
 Jupiter MOID = 2.51829 au 
 T_jup = 3.511 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457535.5 (2016-May-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2380764627908608 5.9953e-08  
q 1.799302426564979 1.4355e-07 au
tp 2457402.134014444061
(2016-Jan-14.63401444)
3.6625e-05 TDB
node 234.2276990868249 0.00020588 deg
peri 116.6813428390159 0.00020626 deg
i 1.503356080884337 5.6383e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      348  
   data-arc span      7067 days (19.35 yr)  
   first obs. used      2001-10-13  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55847  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:27  

Additional Information
 Jupiter MOID = 2.51829 au 
 T_jup = 3.511 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.594317508340154E-15 -8.595290902431299E-15 4.064148942767485E-13 -3.244403052257333E-14 5.859817856219229E-14 -3.590429850046373E-15
q -8.595290902431299E-15 2.060639290994131E-14 -1.065515268165815E-12 7.859346811750985E-14 -1.705491659681975E-13 8.644659746713991E-15
tp 4.064148942767485E-13 -1.065515268165815E-12 1.341414326115695E-9 -7.938629203156372E-12 4.746857184112133E-10 -6.487348547870275E-13
node -3.244403052257333E-14 7.859346811750985E-14 -7.938629203156372E-12 4.2387491758728E-8 -4.237472594249624E-8 -5.080075895189135E-10
peri 5.859817856219229E-14 -1.705491659681975E-13 4.746857184112133E-10 -4.237472594249624E-8 4.254195985025439E-8 5.077332730462951E-10
i -3.590429850046373E-15 8.644659746713991E-15 -6.487348547870275E-13 -5.080075895189135E-10 5.077332730462951E-10 3.179007640432094E-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 17.16   n/a MPCxxxxx  

190871 (2001 TK74)          Discovered 2001-Oct-13 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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