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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1812035872446973 3.7924e-08  
a 2.636165551977268 1.2128e-08 au
q 2.158482897388089 1.017e-07 au
i 10.66007389957964 6.7321e-06 deg
node 347.4600904893633 1.7578e-05 deg
peri 297.3464512870329 2.729e-05 deg
M 55.18115933605223 1.7769e-05 deg
tp 2458960.867472965137
(2020-Apr-21.36747297)
7.7678e-05 TDB
period 1563.354426955441
4.28
1.0789e-05
2.954e-08
d
yr
n .2302740784769344 1.5892e-09 deg/d
Q 3.113848206566447 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51657  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:41:38  

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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1804715580637199 3.8002e-08  
q 2.161382220546217 1.0197e-07 au
tp 2457397.894577194269
(2016-Jan-10.39457719)
8.2229e-05 TDB
node 347.5168075938295 1.7585e-05 deg
peri 297.567519555755 2.7334e-05 deg
i 10.65605451450089 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51657  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:41:38  

Additional Information
 Jupiter MOID = 2.1762 au 
 T_jup = 3.350 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.444169562694415E-15 -3.856860377323035E-15 1.675298875253138E-12 -1.433001062146167E-14 4.070007599344584E-13 -6.396185363156365E-15
q -3.856860377323035E-15 1.039837058315152E-14 -4.784281166559662E-12 3.911889423576536E-14 -1.16244961416175E-12 1.750498252509553E-14
tp 1.675298875253138E-12 -4.784281166559662E-12 6.761661035841563E-9 -3.149105942492838E-11 1.7257268610406E-9 -1.833346703344872E-11
node -1.433001062146167E-14 3.911889423576536E-14 -3.149105942492838E-11 3.0924287680707E-10 -3.109031921190456E-10 -2.555539688328662E-13
peri 4.070007599344584E-13 -1.16244961416175E-12 1.7257268610406E-9 -3.109031921190456E-10 7.47145853057399E-10 -4.247290481687266E-12
i -6.396185363156365E-15 1.750498252509553E-14 -1.833346703344872E-11 -2.555539688328662E-13 -4.247290481687266E-12 4.528746167628852E-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

[ 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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