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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1772227832824022 5.6641e-08  
a 2.53574181817658 9.9931e-09 au
q 2.086350595473747 1.452e-07 au
i 4.354993000472793 5.9444e-06 deg
node 197.6377030962259 4.3406e-05 deg
peri 19.51299922569563 4.5276e-05 deg
M 176.3699573668172 1.3297e-05 deg
tp 2458277.933063069103
(2018-Jun-08.43306307)
5.2216e-05 TDB
period 1474.877587876899
4.04
8.7185e-06
2.387e-08
d
yr
n .2440880537877204 1.4429e-09 deg/d
Q 2.985133040879412 1.1764e-08 au
  Orbit Determination Parameters
   # obs. used (total)      893  
   data-arc span      10337 days (28.30 yr)  
   first obs. used      1991-10-06  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56314  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:23:33  

Additional Information
 Earth MOID = 1.07993 au 
 Jupiter MOID = 1.9845 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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