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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2209342602595513 5.4461e-08  
a 2.297164186716091 1.26e-08 au
q 1.789641916429238 1.2702e-07 au
i 1.525205683333831 5.5101e-06 deg
node 24.82192367410994 0.0002012 deg
peri 330.2429425900914 0.00020166 deg
M 267.7024570892739 1.8326e-05 deg
tp 2457926.542429888904
(2017-Jun-22.04242989)
6.6433e-05 JED
period 1271.70530285444
3.48
1.0463e-05
2.865e-08
d
yr
n .2830844529718894 2.3291e-09 deg/d
Q 2.804686457002945 1.5384e-08 au
  Orbit Determination Parameters
   # obs. used (total)      954  
   data-arc span      12251 days (33.54 yr)  
   first obs. used      1982-09-28  
   last obs. used      2016-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50891  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:38:59  

Additional Information
 Earth MOID = .784171 au 
 Jupiter MOID = 2.62704 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 15.2 mag n/a MPO365519  

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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