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213071 (1999 TW51)
Classification: Main-belt Asteroid          SPK-ID: 2213071
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 .2168941700827801 5.8622e-08  
a 2.387366569010557 1.7216e-08 au
q 1.869560678341638 1.3985e-07 au
i 3.474719523473529 6.95e-06 deg
node 344.62881645 9.712e-05 deg
peri 336.8338476345978 9.9111e-05 deg
M 308.4184330920996 2.7145e-05 deg
tp 2459393.549694557893
(2021-Jun-28.04969456)
0.00010317 TDB
period 1347.33964489545
3.69
1.4574e-05
3.99e-08
d
yr
n .2671932065265807 2.8903e-09 deg/d
Q 2.905172459679475 2.095e-08 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      7530 days (20.62 yr)  
   first obs. used      1999-10-04  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59371  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:41:13  

Additional Information
 Earth MOID = .855663 au 
 Jupiter MOID = 2.41964 au 
 T_jup = 3.500 
[ 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 17.00   n/a E2021B55  

213071 (1999 TW51)          Discovered 1999-Oct-04 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

Alternate Designations
 1999 TW51 = 2009 EV22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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