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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1304895166896131 4.574e-08  
a 2.289158150703376 1.3076e-08 au
q 1.990447009992003 1.0316e-07 au
i 6.251980863489577 5.0475e-06 deg
node 275.7700508762945 4.7306e-05 deg
peri 14.50154195372176 5.163e-05 deg
M 107.6748754101636 2.0102e-05 deg
tp 2458622.123635050447
(2019-May-18.62363505)
7.0523e-05 TDB
period 1265.062911500536
3.46
1.084e-05
2.968e-08
d
yr
n .2845708278436455 2.4383e-09 deg/d
Q 2.587869291414748 1.4783e-08 au
  Orbit Determination Parameters
   # obs. used (total)      363  
   data-arc span      6619 days (18.12 yr)  
   first obs. used      2002-10-03  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53221  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:59:08  

Additional Information
 Earth MOID = .974808 au 
 Jupiter MOID = 2.56315 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 19 CATAB v2.0f-lin.ifort 2020-Dec-17 23:59:09 2020-Dec-17 23:59

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