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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2628692378209399 3.1536e-08  
a 2.434586425189399 6.1118e-09 au
q 1.794608547190655 7.5683e-08 au
i 7.183254171817945 2.656e-06 deg
node 302.664291010902 2.8809e-05 deg
peri 54.9417316172666 2.9373e-05 deg
M 87.72870806049369 5.136e-06 deg
tp 2459058.376423505178
(2020-Jul-27.87642351)
1.9596e-05 TDB
period 1387.510317081158
3.80
5.2248e-06
1.43e-08
d
yr
n .2594575302022371 9.7701e-10 deg/d
Q 3.074564303188143 7.7184e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2064  
   data-arc span      15595 days (42.70 yr)  
   first obs. used      1978-08-09  
   last obs. used      2021-04-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4345  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 12:55:25  

Additional Information
 Earth MOID = .800582 au 
 Jupiter MOID = 2.41927 au 
 T_jup = 3.447 
[ 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 14.46   n/a MPCxxxxx  
diameter diameter 3.409 km 0.873 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 24.1508 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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

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