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100917 (1998 KX51)
Classification: Main-belt Asteroid          SPK-ID: 2100917
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2047754122578353 3.8335e-08  
a 2.349305847171554 9.4434e-09 au
q 1.868225773797256 8.6984e-08 au
i 10.16501212027442 3.3131e-06 deg
node 155.883831467044 1.9511e-05 deg
peri 44.88652253474498 2.1123e-05 deg
M 121.8130289871874 9.6488e-06 deg
tp 2458755.460039953312
(2019-Sep-28.96003995)
3.3759e-05 TDB
period 1315.248351912006
3.60
7.9303e-06
2.171e-08
d
yr
n .2737125649894636 1.6503e-09 deg/d
Q 2.830385920545853 1.1377e-08 au
  Orbit Determination Parameters
   # obs. used (total)      785  
   data-arc span      8234 days (22.54 yr)  
   first obs. used      1998-05-19  
   last obs. used      2020-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56637  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:21  

Additional Information
 Earth MOID = .881598 au 
 Jupiter MOID = 2.15274 au 
 T_jup = 3.510 
[ 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 15.91   n/a E2021B55  

100917 (1998 KX51)          Discovered 1998-May-23 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 KX51 = 2002 NF35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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