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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1691564339099673 8.1495e-08  
a 3.079087598622491 7.8006e-08 au
q 2.558240120743105 2.7039e-07 au
i 28.87858848911546 9.5996e-06 deg
node 134.1029388915667 1.0593e-05 deg
peri 152.4102835685453 2.2608e-05 deg
M 260.3578211086551 1.8617e-05 deg
tp 2459146.725799094542
(2020-Oct-24.22579909)
0.00011164 TDB
period 1973.474384662575
5.40
7.4995e-05
2.053e-07
d
yr
n .1824193933287626 6.9322e-09 deg/d
Q 3.599935076501876 9.1201e-08 au
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      5877 days (16.09 yr)  
   first obs. used      2003-04-01  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5793  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:11:22  

Additional Information
 Earth MOID = 1.56393 au 
 Jupiter MOID = 1.77033 au 
 T_jup = 3.018 
[ 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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