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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457164.5 (2015-May-22.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1819063690933998 4.3718e-08  
q 1.981054051395793 1.0666e-07 au
tp 2457604.570544636138
(2016-Aug-04.07054464)
5.3545e-05 TDB
node 80.68123499142845 9.6481e-05 deg
peri 174.2413160846064 9.7412e-05 deg
i 3.197198542280739 4.4746e-06 deg
  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
 Jupiter MOID = 2.1879 au 
 T_jup = 3.488 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.911225074738936E-15 -4.637770946412276E-15 -1.091272391147369E-12 -2.839289517059603E-14 -2.329235009768295E-13 -3.897358283706967E-16
q -4.637770946412276E-15 1.137668819878863E-14 2.710203052712601E-12 7.003611117142699E-14 5.686483372297673E-13 1.018598370954936E-15
tp -1.091272391147369E-12 2.710203052712601E-12 2.867081539872197E-9 1.80580640796316E-11 7.510116264290951E-10 9.198599215005866E-13
node -2.839289517059603E-14 7.003611117142699E-14 1.80580640796316E-11 9.308634326310549E-9 -9.289408242646925E-9 -1.616276875058661E-10
peri -2.329235009768295E-13 5.686483372297673E-13 7.510116264290951E-10 -9.289408242646925E-9 9.48907968035812E-9 1.616379414134315E-10
i -3.897358283706967E-16 1.018598370954936E-15 9.198599215005866E-13 -1.616276875058661E-10 1.616379414134315E-10 2.002227104841106E-11

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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