Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1814799216473415 3.8083e-08  
a 2.637446381655791 1.2225e-08 au
q 2.158802818963834 1.0233e-07 au
i 10.65724369749889 6.7357e-06 deg
node 347.4670431480988 1.7771e-05 deg
peri 297.4506981093076 2.7415e-05 deg
M 9.041511311542443 1.7819e-05 deg
tp 2458961.207250901195
(2020-Apr-21.70725090)
7.7528e-05 TDB
period 1564.493942236371
4.28
1.0877e-05
2.978e-08
d
yr
n .2301063559794912 1.5998e-09 deg/d
Q 3.116089944347749 1.4443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      911  
   data-arc span      7726 days (21.15 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52049  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:59:51  

Additional Information
 Earth MOID = 1.16708 au 
 Jupiter MOID = 2.17511 au 
 T_jup = 3.349 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457586.5 (2016-Jul-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1804389919528123 3.8141e-08  
q 2.161403993823754 1.024e-07 au
tp 2457397.882722420843
(2016-Jan-10.38272242)
8.2275e-05 TDB
node 347.5169293427451 1.7772e-05 deg
peri 297.5651888797688 2.7496e-05 deg
i 10.6562476847777 6.735e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      911  
   data-arc span      7726 days (21.15 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52049  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:59:51  

Additional Information
 Jupiter MOID = 2.17511 au 
 T_jup = 3.349 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.454731650387163E-15 -3.887333175721579E-15 1.68137254066481E-12 -1.57892314143854E-14 4.107248726789381E-13 -6.249288436668151E-15
q -3.887333175721579E-15 1.048643222376363E-14 -4.801541064651798E-12 4.318778024150406E-14 -1.172992641724146E-12 1.710788324345667E-14
tp 1.68137254066481E-12 -4.801541064651798E-12 6.769105075414101E-9 -3.510009942389895E-11 1.731517326057784E-9 -1.796661212422131E-11
node -1.57892314143854E-14 4.318778024150406E-14 -3.510009942389895E-11 3.158473680393257E-10 -3.182946111312855E-10 -9.818119050405001E-13
peri 4.107248726789381E-13 -1.172992641724146E-12 1.731517326057784E-9 -3.182946111312855E-10 7.560110986063117E-10 -3.441698748646526E-12
i -6.249288436668151E-15 1.710788324345667E-14 -1.796661212422131E-11 -9.818119050405001E-13 -3.441698748646526E-12 4.536056286227627E-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 15.1   n/a MPO474585  

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 18 CATAB v2.0f-lin.ifort 2020-Nov-12 21:59:53 2020-Nov-12 21:59

Alternate Designations
 1999 TN220 = 2002 EV70 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-25 01:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin