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213043 (1998 KB17)
Classification: Main-belt Asteroid          SPK-ID: 2213043
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05694095740225037 3.7442e-08  
a 3.123370080449448 2.9433e-08 au
q 2.945522397747113 1.3072e-07 au
i 10.9610199826596 5.2451e-06 deg
node 30.42887332185248 2.1068e-05 deg
peri 261.4205444249957 5.241e-05 deg
M 323.1085725329307 4.8421e-05 deg
tp 2459407.112481970046
(2021-Jul-11.61248197)
0.00027141 TDB
period 2016.199930881273
5.52
2.8499e-05
7.803e-08
d
yr
n .1785537210303571 2.5239e-09 deg/d
Q 3.301217763151784 3.1109e-08 au
  Orbit Determination Parameters
   # obs. used (total)      419  
   data-arc span      8099 days (22.17 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52522  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:41:07  

Additional Information
 Earth MOID = 1.95443 au 
 Jupiter MOID = 1.8203 au 
 T_jup = 3.185 
[ 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 15.33   n/a E2021B55  

213043 (1998 KB17)          Discovered 1998-May-24 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1998 KB17 = 2000 TJ35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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