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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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .219872844455315 6.5375e-08  
a 2.298429346460121 1.4393e-08 AU
q 1.793067148274363 1.5414e-07 AU
i 1.525031899078934 7.216e-06 deg
node 24.84865307268583 0.0002202 deg
peri 329.9736069479949 0.00022062 deg
M 98.29833443291048 1.7975e-05 deg
tp 2456652.972783046129
(2013-Dec-26.47278305)
6.234e-05 JED
period 1272.756032186713
3.48
1.1955e-05
3.273e-08
d
yr
n .2828507513584411 2.6569e-09 deg/d
Q 2.803791544645878 1.7558e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      702  
   data-arc span      11692 days (32.01 yr)  
   first obs. used      1982-09-28  
   last obs. used      2014-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52786  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:46:19  

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 15.0 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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