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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .168223007524452 1.1735e-07  
a 2.434016988474841 3.1206e-08 au
q 2.024559330307993 2.6564e-07 au
i 6.744021249200357 9.3047e-06 deg
node 138.8704891443716 7.0938e-05 deg
peri 273.8365259873096 7.9351e-05 deg
M 175.8115385209381 2.7583e-05 deg
tp 2456923.125710935436
(2014-Sep-22.62571094)
0.00010803 JED
period 1387.023548708674
3.80
2.6674e-05
7.303e-08
d
yr
n .2595485854116622 4.9914e-09 deg/d
Q 2.843474646641688 3.6455e-08 au
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      4998 days (13.68 yr)  
   first obs. used      2002-08-08  
   last obs. used      2016-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .62021  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 17:29:13  

Additional Information
 Earth MOID = 1.04733 au 
 Jupiter MOID = 2.53926 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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