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120844 (1998 KL60)
Classification: Main-belt Asteroid          SPK-ID: 2120844
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1699716394312567 4.6395e-08  
a 2.68814207679377 1.682e-08 au
q 2.23123416097699 1.2201e-07 au
i 13.3334328236896 3.9632e-06 deg
node 139.2850667964005 2.2659e-05 deg
peri 100.0032350543998 2.7089e-05 deg
M 359.3352185353744 1.2387e-05 deg
tp 2459003.472714190819
(2020-Jun-02.97271419)
5.5383e-05 TDB
period 1609.817911059948
4.41
1.5109e-05
4.137e-08
d
yr
n .2236277764874453 2.0989e-09 deg/d
Q 3.14504999261055 1.9679e-08 au
  Orbit Determination Parameters
   # obs. used (total)      604  
   data-arc span      8059 days (22.06 yr)  
   first obs. used      1998-05-23  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54091  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:57:19  

Additional Information
 Earth MOID = 1.26504 au 
 Jupiter MOID = 2.04303 au 
 T_jup = 3.314 
[ 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 15.5   n/a MPO436583  

120844 (1998 KL60)          Discovered 1998-May-23 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1998 KL60 = 2002 KL2 = 2003 PR1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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