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 ]  
226172 (2002 TJ71)
Classification: Main-belt Asteroid          SPK-ID: 2226172
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1304895181035935 4.5945e-08  
a 2.289158149452726 1.3604e-08 au
q 1.990447005667725 1.04e-07 au
i 6.251980715643794 5.0595e-06 deg
node 275.7700397728213 5.0383e-05 deg
peri 14.50155660042901 5.5438e-05 deg
M 107.6748726717037 2.1617e-05 deg
tp 2458622.123644983650
(2019-May-18.62364498)
7.6203e-05 TDB
period 1265.062910463812
3.46
1.1277e-05
3.087e-08
d
yr
n .2845708280768524 2.5368e-09 deg/d
Q 2.587869293237726 1.5379e-08 au
  Orbit Determination Parameters
   # obs. used (total)      351  
   data-arc span      6322 days (17.31 yr)  
   first obs. used      2002-10-03  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53667  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:51:16  

Additional Information
 Earth MOID = .974808 au 
 Jupiter MOID = 2.56315 au 
 T_jup = 3.580 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457358.5 (2015-Dec-02.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1305030134201509 4.5894e-08  
q 1.990440309145155 1.0397e-07 au
tp 2457357.969397634523
(2015-Dec-01.46939763)
7.8234e-05 TDB
node 275.7989153263291 5.0419e-05 deg
peri 14.75703512169765 5.5483e-05 deg
i 6.249460543858303 5.0579e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      351  
   data-arc span      6322 days (17.31 yr)  
   first obs. used      2002-10-03  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53667  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:51:16  

Additional Information
 Jupiter MOID = 2.56315 au 
 T_jup = 3.580 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.106238889413859E-15 -4.740984006819167E-15 6.288412969816134E-13 1.417896994858023E-14 1.827997148204753E-13 -8.640585738962627E-16
q -4.740984006819167E-15 1.080980055192658E-14 -1.667321400326632E-12 -3.251144004958446E-14 -4.881256133196233E-13 2.400369715093189E-15
tp 6.288412969816134E-13 -1.667321400326632E-12 6.120577654940535E-9 2.173720243688166E-11 1.838088754609667E-9 2.625575534587707E-13
node 1.417896994858023E-14 -3.251144004958446E-14 2.173720243688166E-11 2.54207355498767E-9 -2.52020459564343E-9 2.110423512477863E-11
peri 1.827997148204753E-13 -4.881256133196233E-13 1.838088754609667E-9 -2.52020459564343E-9 3.078362892208818E-9 -2.094194782970955E-11
i -8.640585738962627E-16 2.400369715093189E-15 2.625575534587707E-13 2.110423512477863E-11 -2.094194782970955E-11 2.55823101711201E-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 16.5   n/a MPO494239  

226172 (2002 TJ71)          Discovered 2002-Oct-03 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2002 TJ71 = 2005 LY11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-25 10:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin