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150518 (2000 RK85)
Classification: Main-belt Asteroid          SPK-ID: 2150518
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1707403498397208 8.6951e-08  
a 2.523695575510993 8.2591e-09 au
q 2.092798910059291 2.212e-07 au
i 4.902552831962683 8.9509e-06 deg
node 344.69522478098 3.2297e-05 deg
peri 306.4759909900601 5.0243e-05 deg
M 56.43013311974908 3.3658e-05 deg
tp 2458970.957847233852
(2020-May-01.45784723)
0.00013724 TDB
period 1464.380295195392
4.01
7.1885e-06
1.968e-08
d
yr
n .2458377794218853 1.2068e-09 deg/d
Q 2.954592240962696 9.6692e-09 au
  Orbit Determination Parameters
   # obs. used (total)      903  
   data-arc span      10358 days (28.36 yr)  
   first obs. used      1992-09-03  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5322  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:18:53  

Additional Information
 Earth MOID = 1.07927 au 
 Jupiter MOID = 2.24755 au 
 T_jup = 3.429 
[ 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 15.86   n/a E2021B55  
diameter diameter 4.401 km 0.582 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

150518 (2000 RK85)          Discovered 2000-Sep-02 by LONEOS at Anderson Mesa
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 2000 RK85 = 1992 SR19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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