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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457646.5 (2016-Sep-15.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1804715577650769 3.8002e-08  
q 2.16138222126308 1.0197e-07 au
tp 2457397.894572517917
(2016-Jan-10.39457252)
8.2229e-05 TDB
node 347.5168075897463 1.7585e-05 deg
peri 297.5675185979493 2.7334e-05 deg
i 10.65605453279441 6.7296e-06 deg
  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
 Jupiter MOID = 2.1762 au 
 T_jup = 3.350 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.444169667733751E-15 -3.85686003021543E-15 1.675298667697801E-12 -1.43300111217507E-14 4.070007695028675E-13 -6.396185677167077E-15
q -3.85686003021543E-15 1.039836753167712E-14 -4.784278470242997E-12 3.911888169226833E-14 -1.16244918950281E-12 1.75049796268627E-14
tp 1.675298667697801E-12 -4.784278470242997E-12 6.761660355422365E-9 -3.149105641865332E-11 1.72572701208798E-9 -1.833347345431475E-11
node -1.43300111217507E-14 3.911888169226833E-14 -3.149105641865332E-11 3.092428735811299E-10 -3.109031897392499E-10 -2.555526906731411E-13
peri 4.070007695028675E-13 -1.16244918950281E-12 1.72572701208798E-9 -3.109031897392499E-10 7.471459432189803E-10 -4.247293728942989E-12
i -6.396185677167077E-15 1.75049796268627E-14 -1.833347345431475E-11 -2.555526906731411E-13 -4.247293728942989E-12 4.528746441050714E-11

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1988-Dec-08 13:25 < 00:01 Europ 0.03974411384104 0.0397405504167098 0.0397476774996904 6.47806502334473 6.47806498206341 2447504.059056968 0.600329478034699 239.500145051546 56.9895569258496 -43.6693006685057 74221.4755175111 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 12:50:55 2021-Apr-13 12:50

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