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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1812035859874182 3.7924e-08  
a 2.636165554760504 1.2128e-08 au
q 2.158482902981389 1.017e-07 au
i 10.66007393302927 6.7321e-06 deg
node 347.4600904740245 1.7578e-05 deg
peri 297.3464503112916 2.729e-05 deg
M 55.18115999245412 1.7769e-05 deg
tp 2458960.867469735110
(2020-Apr-21.36746973)
7.7678e-05 TDB
period 1563.354429431301
4.28
1.0789e-05
2.954e-08
d
yr
n .230274078112253 1.5892e-09 deg/d
Q 3.113848206539619 1.4326e-08 au
  Orbit Determination Parameters
   # obs. used (total)      935  
   data-arc span      7766 days (21.26 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51654  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:50:53  

Additional Information
 Earth MOID = 1.16496 au 
 Jupiter MOID = 2.1762 au 
 T_jup = 3.350 
[ 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 15.20   n/a E2021B10  

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

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