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JPL Small-Body Database Browser
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74636 (1999 RK52)
Classification: Main-belt Asteroid          SPK-ID: 2074636
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2070339046086243 5.0954e-08  
a 2.369772215110916 1.4321e-08 au
q 1.879149020383475 1.1824e-07 au
i 3.023700730640325 5.3828e-06 deg
node 57.66836265069505 8.7168e-05 deg
peri 270.2954669823412 8.8369e-05 deg
M 140.6246691851109 1.9364e-05 deg
tp 2458080.004061877341
(2017-Nov-22.50406188)
6.8566e-05 TDB
period 1332.472736184731
3.65
1.2079e-05
3.307e-08
d
yr
n .2701743834780349 2.4491e-09 deg/d
Q 2.860395409838358 1.7286e-08 au
  Orbit Determination Parameters
   # obs. used (total)      554  
   data-arc span      7067 days (19.35 yr)  
   first obs. used      1999-09-03  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58046  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:27:34  

Additional Information
 Earth MOID = .869921 au 
 Jupiter MOID = 2.48744 au 
 T_jup = 3.514 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO459337  
diameter diameter 1.632 km 0.541 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.241   0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74636 (1999 RK52)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RK52 = 2002 GK164 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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