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179678 Rietmeijer (2002 QS66)
Classification: Main-belt Asteroid          SPK-ID: 2179678
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1670769931716292 1.4684e-07  
a 2.434433802583422 4.4661e-08 AU
q 2.027695922772408 3.2581e-07 AU
i 6.744850820971169 1.0776e-05 deg
node 138.883883887013 7.3705e-05 deg
peri 273.8634328823823 9.5385e-05 deg
M 20.18154028511433 4.1353e-05 deg
tp 2456922.723715965795
(2014-Sep-22.22371597)
0.0001606 JED
period 1387.379845975679
3.80
3.8178e-05
1.045e-07
d
yr
n .2594819299445921 7.1405e-09 deg/d
Q 2.841171682394435 5.2123e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      4547 days (12.45 yr)  
   first obs. used      2002-08-08  
   last obs. used      2015-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .68889  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 18:46:54  

Additional Information
 Earth MOID = 1.05165 AU 
 T_jup = 3.477 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3 mag n/a MPO229821  

179678 Rietmeijer           Discovered 2002 Aug. 26 by NEAT at Palomar.
Frans J.M. Rietmeijer (b. 1949) is a Dutch-born planetary geologist specializing on interplanetary dust particles. He is a research professor at the University of New Mexico. The name was suggested by M. Langbroek.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20081113/MPCPages.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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