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120836 (1998 KL7)
Classification: Main-belt Asteroid          SPK-ID: 2120836
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1770001793291801 4.7562e-08  
a 2.536259052725716 9.8539e-09 au
q 2.087340745568008 1.2338e-07 au
i 4.35440531189263 4.9525e-06 deg
node 197.6328800413247 4.12e-05 deg
peri 19.49480039140599 4.2591e-05 deg
M 225.2038201823556 1.2745e-05 deg
tp 2459752.913044930833
(2022-Jun-22.41304493)
5.4446e-05 TDB
period 1475.328873890449
4.04
8.598e-06
2.354e-08
d
yr
n .2440133900793783 1.4221e-09 deg/d
Q 2.985177359883423 1.1598e-08 au
  Orbit Determination Parameters
   # obs. used (total)      954  
   data-arc span      10694 days (29.28 yr)  
   first obs. used      1991-10-06  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55613  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:26:01  

Additional Information
 Earth MOID = 1.07988 au 
 Jupiter MOID = 1.98328 au 
 T_jup = 3.422 
[ 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 15.7   n/a MPO436583  
diameter diameter 1.824 km 0.250 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.263   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120836 (1998 KL7)          Discovered 1998-May-23 by LONEOS at Anderson Mesa
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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