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59966 (1999 RS238)
Classification: Main-belt Asteroid          SPK-ID: 2059966
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1148907929729562 4.0102e-08  
a 3.078312808888591 2.5301e-08 au
q 2.724643009256573 1.3318e-07 au
i 11.18276334422065 6.0998e-06 deg
node 39.89598295767697 2.1767e-05 deg
peri 265.8698612235538 3.4962e-05 deg
M 351.0784288530372 2.6821e-05 deg
tp 2459049.388464095477
(2020-Jul-18.88846410)
0.00014705 TDB
period 1972.729554520609
5.40
2.4321e-05
6.659e-08
d
yr
n .1824882681840711 2.2498e-09 deg/d
Q 3.43198260852061 2.8208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      695  
   data-arc span      10276 days (28.13 yr)  
   first obs. used      1992-04-29  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58155  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:44:18  

Additional Information
 Earth MOID = 1.7397 au 
 Jupiter MOID = 1.86421 au 
 T_jup = 3.189 
[ 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 14.5   n/a MPO436201  
diameter diameter 4.072 km 1.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.117   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59966 (1999 RS238)          Discovered 1999-Sep-08 by CSS at Catalina
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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