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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1578633653942503 4.2538e-08  
a 3.094473652278916 1.9878e-08 au
q 2.605969627406329 1.3028e-07 au
i 12.957112453587 4.7045e-06 deg
node 177.2230883245039 2.039e-05 deg
peri 224.0646190925994 2.5294e-05 deg
M 62.47446416157817 1.4137e-05 deg
tp 2458655.452686877449
(2019-Jun-20.95268688)
7.7693e-05 TDB
period 1988.284883930413
5.44
1.9159e-05
5.245e-08
d
yr
n .1810605728130655 1.7447e-09 deg/d
Q 3.582977677151502 2.3016e-08 au
  Orbit Determination Parameters
   # obs. used (total)      508  
   data-arc span      10363 days (28.37 yr)  
   first obs. used      1991-10-02  
   last obs. used      2020-02-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53148  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:06:44  

Additional Information
 Earth MOID = 1.62978 au 
 Jupiter MOID = 1.93232 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-August); 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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