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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2154745695031842 6.2129e-08  
a 2.520054809158697 1.2569e-08 au
q 1.977047084030797 1.5596e-07 au
i 8.086488105757038 8.9717e-06 deg
node 148.7549078894195 2.8207e-05 deg
peri 234.4843447057946 3.6292e-05 deg
M 30.01587300339316 2.1459e-05 deg
tp 2458878.667856564462
(2020-Jan-30.16785656)
8.7102e-05 TDB
period 1461.212593477981
4.00
1.0932e-05
2.993e-08
d
yr
n .2463707208703474 1.8432e-09 deg/d
Q 3.063062534286595 1.5277e-08 au
  Orbit Determination Parameters
   # obs. used (total)      343  
   data-arc span      8385 days (22.96 yr)  
   first obs. used      1997-02-07  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6255  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:22:27  

Additional Information
 Earth MOID = .992118 au 
 Jupiter MOID = 2.42508 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2055-Jun-26 13:24 < 00:01 Thisb 0.0270813751610357 0.0270711041054009 0.0270916488121635 5.64555869254048 5.64555864794435 2471810.058652875 0.612082328601198 663.264491302836 66.6052009082755 39.6993149045643 39123.6983474487 T 16 CATAB v2.0f-lin.ifort 2020-Feb-24 13:22:41 2020-Feb-24 13:22
2083-Jun-15 20:54 00:05 Iris 0.0463120521262092 0.0463105875733757 0.046313516789342 3.93569188870672 3.93569185716699 2482026.371045454 5.34157710988825 988.076575345834 72.5163738508532 -89.5156199798859 95481.7627104723 T 16 CATAB v2.0f-lin.ifort 2020-Feb-24 13:22:41 2020-Feb-24 13:22

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