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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2206681809576772 5.7076e-08  
a 2.297813286672648 1.2936e-08 au
q 1.790759008522213 1.3267e-07 au
i 1.525356160260085 5.6358e-06 deg
node 24.82285079976723 0.00021349 deg
peri 330.1887773184766 0.00021393 deg
M 211.1442565328859 1.8072e-05 deg
tp 2457926.557996707587
(2017-Jun-22.05799671)
6.6561e-05 JED
period 1272.244351502434
3.48
1.0744e-05
2.942e-08
d
yr
n .2829645103748069 2.3895e-09 deg/d
Q 2.804867564823083 1.5791e-08 au
  Orbit Determination Parameters
   # obs. used (total)      916  
   data-arc span      11882 days (32.53 yr)  
   first obs. used      1982-09-28  
   last obs. used      2015-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49984  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:42:20  

Additional Information
 Earth MOID = .784356 au 
 Jupiter MOID = 2.62649 au 
 T_jup = 3.560 
[ 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 15.1 mag n/a MPO319365  

22444 (1996 TK12)          Discovered 1996-Oct-15 by Shimizu, Y., Urata, T. at Nachi-Katsuura
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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