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193985 (2001 RQ132)
Classification: Main-belt Asteroid          SPK-ID: 2193985
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1572156461649673 6.801e-08  
a 3.175376110948271 2.8355e-08 au
q 2.676157303848738 2.2345e-07 au
i 4.773188145530517 5.0503e-06 deg
node 85.56220584681037 8.7479e-05 deg
peri 277.6336717637259 8.9028e-05 deg
M 99.74957628226403 1.5984e-05 deg
tp 2458427.836180691654
(2018-Nov-05.33618069)
9.0807e-05 TDB
period 2066.765420312475
5.66
2.7683e-05
7.579e-08
d
yr
n .174185225116439 2.3331e-09 deg/d
Q 3.674594918047804 3.2812e-08 au
  Orbit Determination Parameters
   # obs. used (total)      411  
   data-arc span      7613 days (20.84 yr)  
   first obs. used      1999-03-21  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59348  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:12:56  

Additional Information
 Earth MOID = 1.6793 au 
 Jupiter MOID = 1.80253 au 
 T_jup = 3.176 
[ 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 15.4   n/a MPO454349  
diameter diameter 5.212 km 1.249 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193985 (2001 RQ132)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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