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78082 (2002 LS21)
Classification: Main-belt Asteroid          SPK-ID: 2078082
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1880725380221216 3.7308e-08  
a 2.655735741302042 1.1868e-08 au
q 2.156264780119307 1.0056e-07 au
i 11.94077819958918 4.8546e-06 deg
node 266.3127281790277 1.9909e-05 deg
peri 52.82218890068764 2.5372e-05 deg
M 35.89704467120698 1.3827e-05 deg
tp 2458842.872528454741
(2019-Dec-25.37252845)
6.0297e-05 TDB
period 1580.795585710405
4.33
1.0596e-05
2.901e-08
d
yr
n .2277334294542688 1.5265e-09 deg/d
Q 3.155206702484778 1.41e-08 au
  Orbit Determination Parameters
   # obs. used (total)      906  
   data-arc span      8076 days (22.11 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47345  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:28:19  

Additional Information
 Earth MOID = 1.16553 au 
 Jupiter MOID = 2.18213 au 
 T_jup = 3.332 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO337845  
diameter diameter 3.355 km 0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.328   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78082 (2002 LS21)          Discovered 2002-Jun-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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