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70632 (1999 TN220)
Classification: Main-belt Asteroid          SPK-ID: 2070632
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1814799209130951 3.8165e-08  
a 2.637446380928559 1.2838e-08 au
q 2.158802820305115 1.0273e-07 au
i 10.6572454326882 7.191e-06 deg
node 347.4670513067155 2.0734e-05 deg
peri 297.4506880270291 3.0379e-05 deg
M 9.041513644217551 1.9653e-05 deg
tp 2458961.207240780069
(2020-Apr-21.70724078)		 8.545e-05 TDB
period 1564.493941589296
4.28		 1.1423e-05
3.127e-08		 d
yr
n .2301063560746633 1.6802e-09 deg/d
Q 3.116089941552003 1.5168e-08 au
   Orbit Determination Parameters
   # obs. used (total)      765  
   data-arc span      7635 days (20.90 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53908  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 06:28:38  

Additional Information
 Earth MOID = 1.16708 au 
 Jupiter MOID = 2.17511 au 
 T_jup = 3.349 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO474585  

70632 (1999 TN220)          Discovered 1999-Oct-01 by CSS at Catalina
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 TN220 = 2002 EV70 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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