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312668 (2010 LJ57)
Classification: Main-belt Asteroid          SPK-ID: 2312668
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .169525642301046 7.8046e-08  
a 3.079897366252635 4.9536e-08 au
q 2.557775787017357 2.6891e-07 au
i 28.87942905984458 6.5001e-06 deg
node 134.1005123936046 1.0536e-05 deg
peri 152.391464051225 2.239e-05 deg
M 333.3684660352279 1.5031e-05 deg
tp 2459146.548289543109
(2020-Oct-24.04828954)
8.2483e-05 TDB
period 1974.252940332615
5.41
4.763e-05
1.304e-07
d
yr
n .1823474554072836 4.3992e-09 deg/d
Q 3.602018945487913 5.7934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      357  
   data-arc span      6287 days (17.21 yr)  
   first obs. used      2003-04-01  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53187  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 05:27:33  

Additional Information
 Earth MOID = 1.56427 au 
 Jupiter MOID = 1.77134 au 
 T_jup = 3.017 
[ 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 14.9   n/a MPO434004  
diameter diameter 6.355 km 0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

312668 (2010 LJ57)          Discovered 2010-Jun-09 by WISE at WISE
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2010 LJ57 = 2008 EN98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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