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JPL Small-Body Database Browser
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172995 (2006 KN122)
Classification: Main-belt Asteroid          SPK-ID: 2172995
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .204572320726808 5.9523e-08  
a 2.442173120051806 1.8063e-08 au
q 1.942572097266178 1.3762e-07 au
i 5.654923755218974 5.2711e-06 deg
node 135.7375525106128 4.1093e-05 deg
peri 181.3848691521194 4.2866e-05 deg
M 197.2429152791875 1.4062e-05 deg
tp 2459630.732069539272
(2022-Feb-20.23206954)
5.9495e-05 TDB
period 1394.001037947599
3.82
1.5466e-05
4.234e-08
d
yr
n .2582494490319975 2.8651e-09 deg/d
Q 2.941774142837433 2.1758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      405  
   data-arc span      10324 days (28.27 yr)  
   first obs. used      1991-08-03  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59654  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 14:32:43  

Additional Information
 Earth MOID = .929161 au 
 Jupiter MOID = 2.36285 au 
 T_jup = 3.465 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO454187  

172995 (2006 KN122)          Discovered 2006-May-28 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2006 KN122 = 1991 PQ28 = 1991 PY4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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