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22444 (1996 TK12)
Classification: Main-belt Asteroid          SPK-ID: 2022444
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2198064411558565 6.6425e-08  
a 2.297493406269633 1.4767e-08 AU
q 1.792489557058458 1.5691e-07 AU
i 1.525141895274689 7.3163e-06 deg
node 24.86217679085979 0.00022023 deg
peri 329.8588593716539 0.00022064 deg
M 41.81741401897539 1.7813e-05 deg
tp 2456652.747611848421
(2013-Dec-26.24761185)
6.2446e-05 JED
period 1271.978695536558
3.48
1.2263e-05
3.357e-08
d
yr
n .2830236082280775 2.7287e-09 deg/d
Q 2.802497255480807 1.8013e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      695  
   data-arc span      11244 days (30.78 yr)  
   first obs. used      1982-09-28  
   last obs. used      2013-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52589  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 23:16:06  

Additional Information
 Earth MOID = .786581 AU 
 T_jup = 3.561 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0 mag n/a MPO266073  

22444 (1996 TK12)          Discovered 1996-Oct-15 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905)
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 TK12 = 1982 SW11 = 1999 NY12 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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