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181774 (1997 LK10)
Classification: Main-belt Asteroid          SPK-ID: 2181774
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1153043675099321 4.7443e-08  
a 3.129261877424876 2.777e-08 au
q 2.768444315875458 1.4569e-07 au
i 18.96164425039775 5.5531e-06 deg
node 65.60977119225178 1.4977e-05 deg
peri 132.120817811452 2.791e-05 deg
M 118.3309681173501 2.1936e-05 deg
tp 2458535.904788568040
(2019-Feb-21.40478857)
0.00012379 TDB
period 2021.90753546641
5.54
2.6915e-05
7.369e-08
d
yr
n .1780496851043961 2.3701e-09 deg/d
Q 3.490079438974294 3.0972e-08 au
  Orbit Determination Parameters
   # obs. used (total)      609  
   data-arc span      8467 days (23.18 yr)  
   first obs. used      1997-05-08  
   last obs. used      2020-07-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55547  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:59  

Additional Information
 Earth MOID = 1.79536 au 
 Jupiter MOID = 1.60067 au 
 T_jup = 3.120 
[ 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 14.63   n/a E2021B55  
diameter diameter 7.214 km 0.267 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181774 (1997 LK10)          Discovered 1997-Jun-07 by Elst, E. W. at La Silla
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 1997 LK10 = 2005 UJ494 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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