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277139 (2005 KN9)
Classification: Main-belt Asteroid          SPK-ID: 2277139
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1381294441682784 5.4537e-08  
a 2.614550414515806 2.4342e-08 au
q 2.253404019008796 1.3914e-07 au
i 14.20028091445609 6.1619e-06 deg
node 66.84673682383411 2.2032e-05 deg
peri 216.784632890219 3.1559e-05 deg
M 171.1323407135491 2.6355e-05 deg
tp 2458266.453542100842
(2018-May-27.95354210)
0.00010773 TDB
period 1544.1658995714
4.23
2.1565e-05
5.904e-08
d
yr
n .2331355718319656 3.2558e-09 deg/d
Q 2.975696810022816 2.7705e-08 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      6180 days (16.92 yr)  
   first obs. used      2003-01-02  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52253  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 17:51:51  

Additional Information
 Earth MOID = 1.25253 au 
 Jupiter MOID = 2.16341 au 
 T_jup = 3.351 
[ 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 16.2   n/a MPO503246  

277139 (2005 KN9)          Discovered 2005-May-28 by Broughton, J. at Reedy Creek
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1969-May-12 17:19 00:02 Thisb 0.0403626683091054 0.0403511747275594 0.0403741750843452 5.52710014560616 5.52710011504305 2440354.221353524 2.1181016987438 1293.0174371583 69.5945703657577 -63.8490525873302 77883.8731030516 T 14 CATAB v2.0f-lin.ifort 2019-Dec-14 17:51:54 2019-Dec-14 17:52

Alternate Designations
 2005 KN9 = 2006 TL127 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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