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100918 (1998 KF52)
Classification: Main-belt Asteroid          SPK-ID: 2100918
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1894486552685309 3.2691e-08  
a 2.367164584644312 1.0974e-08 au
q 1.918708437284157 7.8812e-08 au
i 10.15679821970584 3.8036e-06 deg
node 114.1340549450778 2.9743e-05 deg
peri 154.3125868314569 3.2922e-05 deg
M 53.41218965458554 1.5859e-05 deg
tp 2459003.130977350361
(2020-Jun-02.63097735)		 5.806e-05 TDB
period 1330.27401822254
3.64		 9.2504e-06
2.533e-08		 d
yr
n .2706209360391912 1.8818e-09 deg/d
Q 2.815620732004468 1.3053e-08 au
   Orbit Determination Parameters
   # obs. used (total)      684  
   data-arc span      8083 days (22.13 yr)  
   first obs. used      1998-05-23  
   last obs. used      2020-07-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57347  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:29  

Additional Information
 Earth MOID = .905915 au 
 Jupiter MOID = 2.31176 au 
 T_jup = 3.502 
[ 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 15.86   n/a E2021B55  

100918 (1998 KF52)          Discovered 1998-May-23 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
2189-Nov-10 01:46 00:20 Europ 0.0224859613814496 0.0224769639450166 0.0224949613792 2.8038271284503 2.80382695986914 2520889.573639753 20.3184503828954 587.798594248083 51.9171841853213 40.5230001677176 42264.0311195298 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 20:03:31 2020-Nov-12 20:03
2200-Nov-30 23:46 00:23 Europ 0.0485122834485539 0.0485017899841923 0.0485227770002807 2.73888005295983 2.73887997296775 2524927.490271000 23.3960401008884 532.550795625901 31.8558353408349 -11.1442323876337 45948.9114923071 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 20:03:31 2020-Nov-12 20:03

Alternate Designations
 1998 KF52 = 2002 PE124 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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