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226172 (2002 TJ71)
Classification: Main-belt Asteroid          SPK-ID: 2226172
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1303756834179146 4.5615e-08  
a 2.289571091898994 1.2461e-08 au
q 1.991066696058761 1.0257e-07 au
i 6.251573632131427 5.0464e-06 deg
node 275.7714303324472 4.2398e-05 deg
peri 14.56959059463496 4.5991e-05 deg
M 164.5053829057354 1.8451e-05 deg
tp 2458622.261187383992
(2019-May-18.76118738)
6.3905e-05 TDB
period 1265.405233949369
3.46
1.033e-05
2.828e-08
d
yr
n .2844938446132617 2.3224e-09 deg/d
Q 2.588075487739226 1.4085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      385  
   data-arc span      6682 days (18.29 yr)  
   first obs. used      2002-10-03  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52127  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:08:16  

Additional Information
 Earth MOID = .973495 au 
 Jupiter MOID = 2.56226 au 
 T_jup = 3.580 
[ 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 16.5   n/a MPO494239  

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

[ 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
2138-Oct-15 17:44 00:02 David 0.0288785691823324 0.0288415163481207 0.0289156248018076 7.71596772840571 7.71596766060769 2502236.238685946 2.13862050634352 1900.70353730303 54.8070979439555 -13.617786733884 18682.575723347 T 21 CATAB v2.0f-lin.ifort 2021-Feb-24 13:08:17 2021-Feb-24 13:08

Alternate Designations
 2002 TJ71 = 2005 LY11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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