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173666 (2001 KN3)
Classification: Main-belt Asteroid          SPK-ID: 2173666
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1818652561487994 4.3667e-08  
a 2.421282984634256 1.3422e-08 au
q 1.980935734425017 1.0634e-07 au
i 3.196623500939893 4.4743e-06 deg
node 80.63734987461407 9.653e-05 deg
peri 174.5174827236354 9.7468e-05 deg
M 4.92050447583068 1.466e-05 deg
tp 2458981.690645901759
(2020-May-12.19064590)
5.5994e-05 TDB
period 1376.153097436982
3.77
1.1443e-05
3.133e-08
d
yr
n .2615988007951168 2.1753e-09 deg/d
Q 2.861630234843495 1.5863e-08 au
  Orbit Determination Parameters
   # obs. used (total)      400  
   data-arc span      7954 days (21.78 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57023  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:18:46  

Additional Information
 Earth MOID = .966157 au 
 Jupiter MOID = 2.1879 au 
 T_jup = 3.488 
[ 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 16.5   n/a MPO469862  

173666 (2001 KN3)          Discovered 2001-May-17 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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