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JPL Small-Body Database Browser
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347285 (2011 LP21)
Classification: Outer Main-belt Asteroid          SPK-ID: 2347285
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08598472383180285 5.5079e-08  
a 3.231555129074184 4.8228e-08 au
q 2.953690753753494 1.991e-07 au
i 12.88576486819133 5.3999e-06 deg
node 123.561567062321 3.9723e-05 deg
peri 330.70814976 6.567e-05 deg
M 340.9343947737183 5.2238e-05 deg
tp 2459112.873491851405
(2020-Sep-20.37349185)
0.00030791 TDB
period 2121.855382316407
5.81
4.75e-05
1.3e-07
d
yr
n .1696628351772927 3.7981e-09 deg/d
Q 3.509419504394873 5.2375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      206  
   data-arc span      7617 days (20.85 yr)  
   first obs. used      1999-03-20  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56893  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:25:31  

Additional Information
 Earth MOID = 1.97758 au 
 Jupiter MOID = 1.63412 au 
 T_jup = 3.141 
[ 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 15.3   n/a MPO418791  

347285 (2011 LP21)          Discovered 1999-Mar-20 by Sloan Digital Sky Survey at Apache Point
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2011 LP21 = 1999 FO83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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