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160585 (1999 RK2)
Classification: Main-belt Asteroid          SPK-ID: 2160585
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2156057790724474 5.5185e-08  
a 2.520457569245163 1.1974e-08 au
q 1.977032351409013 1.3683e-07 au
i 8.086791309023264 8.7399e-06 deg
node 148.7519519729869 2.554e-05 deg
peri 234.5066332857832 3.4363e-05 deg
M 79.25420666264142 2.1099e-05 deg
tp 2458878.736086718801
(2020-Jan-30.23608672)
8.577e-05 TDB
period 1461.562908254226
4.00
1.0416e-05
2.852e-08
d
yr
n .246311669492218 1.7553e-09 deg/d
Q 3.063882787081314 1.4556e-08 au
  Orbit Determination Parameters
   # obs. used (total)      407  
   data-arc span      8799 days (24.09 yr)  
   first obs. used      1997-02-07  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59908  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:01:57  

Additional Information
 Earth MOID = .990792 au 
 Jupiter MOID = 2.42544 au 
 T_jup = 3.410 
[ 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 16.5   n/a MPO417855  

160585 (1999 RK2)          Discovered 1999-Sep-05 by Spacewatch at Kitt Peak
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 1999 RK2 = 2005 CV59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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