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201248 (2002 RK94)
Classification: Main-belt Asteroid          SPK-ID: 2201248
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1576048031942218 4.4974e-08  
a 3.093850209600732 2.1756e-08 au
q 2.606244556204207 1.4053e-07 au
i 12.95755174559462 5.5524e-06 deg
node 177.2361400197761 2.0417e-05 deg
peri 224.0950732471258 2.5903e-05 deg
M 350.0208951031688 1.5859e-05 deg
tp 2458655.598076642709
(2019-Jun-21.09807664)
8.7715e-05 TDB
period 1987.684045457212
5.44
2.0966e-05
5.74e-08
d
yr
n .1811153039250722 1.9104e-09 deg/d
Q 3.581455862997258 2.5185e-08 au
  Orbit Determination Parameters
   # obs. used (total)      449  
   data-arc span      10293 days (28.18 yr)  
   first obs. used      1991-10-02  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54476  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 14:34:46  

Additional Information
 Earth MOID = 1.62945 au 
 Jupiter MOID = 1.9311 au 
 T_jup = 3.166 
[ 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 15.1   n/a MPO454424  
rotation period rot_per 8.380 h n/a LCDB (Rev. 2019-January); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

201248 (2002 RK94)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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