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JPL Small-Body Database Browser
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10213 Koukolik (1997 RK7)
Classification: Main-belt Asteroid          SPK-ID: 2010213
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .262874535994578 4.5445e-08  
a 2.434278000976923 8.6668e-09 au
q 1.794368300988305 1.131e-07 au
i 7.183397406319803 4.1775e-06 deg
node 302.6636307764645 3.1723e-05 deg
peri 54.88589218193449 3.2258e-05 deg
M 345.013411959911 7.474e-06 deg
tp 2459058.250261737967
(2020-Jul-27.75026174)
2.8979e-05 TDB
period 1387.246661485236
3.80
7.4086e-06
2.028e-08
d
yr
n .2595068418579368 1.3859e-09 deg/d
Q 3.074187700965541 1.0945e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1460  
   data-arc span      14942 days (40.91 yr)  
   first obs. used      1978-08-09  
   last obs. used      2019-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49564  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 19:37:14  

Additional Information
 Earth MOID = .801123 au 
 Jupiter MOID = 2.41833 au 
 T_jup = 3.447 
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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 14.4   n/a MPO384847  
diameter diameter 3.409 km 0.873 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.348   0.180 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10213 Koukolik (1997 RK7)          Discovered 1997-Sep-10 by Klet at Klet
Reference: 19990302/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1997 RK7 = 1978 PH4 = 1978 TW = 1982 UT8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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