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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2198728587270035 5.6925e-08  
a 2.298429343183316 1.2686e-08 AU
q 1.793067112915571 1.3225e-07 AU
i 1.525027511704016 5.629e-06 deg
node 24.84860152328947 0.00021373 deg
peri 329.9736622508217 0.00021417 deg
M 98.29833277152001 1.7624e-05 deg
tp 2456652.972789663053
(2013-Dec-26.47278966)
6.0741e-05 JED
period 1272.756029464916
3.48
1.0537e-05
2.885e-08
d
yr
n .2828507519633193 2.3418e-09 deg/d
Q 2.80379157345106 1.5475e-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 = .788773 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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