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437359 (2013 TW144)
Classification: Main-belt Asteroid          SPK-ID: 2437359
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2216006136218327 9.3218e-08  
a 2.27321926722831 1.3703e-08 au
q 1.769472482713544 2.0527e-07 au
i 7.08148365818323 5.7986e-06 deg
node 185.0216306849754 4.895e-05 deg
peri 229.368417325781 5.0861e-05 deg
M 10.0867769072049 9.4692e-06 deg
tp 2459165.423977973238
(2020-Nov-11.92397797)
3.3e-05 TDB
period 1251.873422581081
3.43
1.132e-05
3.099e-08
d
yr
n .2875690093793676 2.6002e-09 deg/d
Q 2.776966051743077 1.674e-08 au
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      9831 days (26.92 yr)  
   first obs. used      1994-03-09  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52855  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:26:18  

Additional Information
 Earth MOID = .788716 au 
 Jupiter MOID = 2.61495 au 
 T_jup = 3.568 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458565.5 (2019-Mar-23.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .221876036101699 9.3532e-08  
q 1.769696036247745 2.0602e-07 au
tp 2459164.477157575986
(2020-Nov-10.97715758)
3.2981e-05 TDB
node 185.1269848893537 4.8928e-05 deg
peri 229.0009629438161 5.0808e-05 deg
i 7.08237103182775 5.8068e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      9831 days (26.92 yr)  
   first obs. used      1994-03-09  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52855  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:26:18  

Additional Information
 Jupiter MOID = 2.61495 au 
 T_jup = 3.568 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.748207648745354E-15 -1.925398301068345E-14 -1.989389211378229E-13 4.922221642330377E-14 -1.932761196345485E-13 -5.975860503659704E-14
q -1.925398301068345E-14 4.244218551794293E-14 3.837363183035281E-13 -1.029826292480937E-13 3.87030182752368E-13 1.322837610653838E-13
tp -1.989389211378229E-13 3.837363183035281E-13 1.087745330203198E-9 -1.027091278724832E-11 4.769892195816358E-10 -5.403873494969722E-13
node 4.922221642330377E-14 -1.029826292480937E-13 -1.027091278724832E-11 2.393911493218153E-9 -2.382433017340745E-9 2.085486847382948E-10
peri -1.932761196345485E-13 3.87030182752368E-13 4.769892195816358E-10 -2.382433017340745E-9 2.581498333460294E-9 -2.071038361099816E-10
i -5.975860503659704E-14 1.322837610653838E-13 -5.403873494969722E-13 2.085486847382948E-10 -2.071038361099816E-10 3.371852610885538E-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 17.7   n/a MPO279356  

437359 (2013 TW144)          Discovered 2006-Aug-29 by CSS at Catalina
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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