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JPL Small-Body Database Browser
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21412 Sinchanban (1998 FJ67)
Classification: Main-belt Asteroid          SPK-ID: 2021412
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03862702282699036 3.7665e-08  
a 2.147863803651029 5.9352e-09 au
q 2.064898219478135 8.3045e-08 au
i 3.379435873635296 3.3762e-06 deg
node 89.79267398160601 5.854e-05 deg
peri 335.3367317897262 7.0755e-05 deg
M 12.59030610101498 3.9817e-05 deg
tp 2458560.289236073445
(2019-Mar-17.78923607)
0.00012713 TDB
period 1149.763548035807
3.15
4.7657e-06
1.305e-08
d
yr
n .313107856493628 1.2978e-09 deg/d
Q 2.230829387823924 6.1645e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1854  
   data-arc span      9015 days (24.68 yr)  
   first obs. used      1995-03-31  
   last obs. used      2019-12-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51583  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:51:17  

Additional Information
 Earth MOID = 1.07847 au 
 Jupiter MOID = 2.85203 au 
 T_jup = 3.704 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456432.5 (2013-May-20.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03850117967823945 3.7643e-08  
q 2.065125901828982 8.3045e-08 au
tp 2456259.745262829008
(2012-Nov-28.24526283)
0.00012595 TDB
node 89.82470689677662 5.8547e-05 deg
peri 334.9543489948264 7.0821e-05 deg
i 3.379194811487204 3.3755e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1854  
   data-arc span      9015 days (24.68 yr)  
   first obs. used      1995-03-31  
   last obs. used      2019-12-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51583  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:51:17  

Additional Information
 Jupiter MOID = 2.85203 au 
 T_jup = 3.704 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.416977209067564E-15 -3.119549293274554E-15 -1.735912939326035E-12 7.964307073126028E-15 -5.661122533369424E-13 -2.854851387736016E-16
q -3.119549293274554E-15 6.896524111060364E-15 3.8221736075779E-12 -1.720672652437562E-14 1.246697769326654E-12 6.151355795276373E-16
tp -1.735912939326035E-12 3.8221736075779E-12 1.586284372497635E-8 -1.946024128940084E-11 5.030001213912939E-9 8.654866282626208E-13
node 7.964307073126028E-15 -1.720672652437562E-14 -1.946024128940084E-11 3.427726787675946E-9 -3.42768688221258E-9 -7.934629741974778E-11
peri -5.661122533369424E-13 1.246697769326654E-12 5.030001213912939E-9 -3.42768688221258E-9 5.01566435465359E-9 7.948853099512113E-11
i -2.854851387736016E-16 6.151355795276373E-16 8.654866282626208E-13 -7.934629741974778E-11 7.948853099512113E-11 1.139385538043402E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO416934  
diameter diameter 2.391 km 0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.407   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21412 Sinchanban           Discovered 1998 Mar. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Sinchan Banerjee (b. 1989) was awarded second place in the 2006 Intel International Science and Engineering Fair for his behavioral and social sciences project. He attends the Clear Lake High School, Houston, Texas, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060711/MPCPages.arcLast Updated: 2006-07-17

Alternate Designations
 1998 FJ67 = 1999 RR178 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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