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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457746.5 (2016-Dec-24.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1701955905706743 8.7247e-08  
q 2.095001424207035 2.2214e-07 au
tp 2457507.066154328633
(2016-Apr-28.56615433)
0.00013971 TDB
node 344.7498961199694 3.2314e-05 deg
peri 306.7164854461561 5.0209e-05 deg
i 4.900867127423659 8.947e-06 deg
  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
 Jupiter MOID = 2.24755 au 
 T_jup = 3.429 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.612039335525522E-15 -1.937199807462913E-14 1.137208731251971E-11 -3.215495390520929E-14 3.110959451651372E-12 -3.883542810699498E-14
q -1.937199807462913E-14 4.934464145311747E-14 -2.905663201760611E-11 8.211463218328447E-14 -7.948052281182648E-12 9.867685055220937E-14
tp 1.137208731251971E-11 -2.905663201760611E-11 1.951951676128354E-8 -4.953327404167506E-11 5.372352509705456E-9 -6.305746354609614E-11
node -3.215495390520929E-14 8.211463218328447E-14 -4.953327404167506E-11 1.044186712926659E-9 -1.053237929994605E-9 -9.446131127141262E-11
peri 3.110959451651372E-12 -7.948052281182648E-12 5.372352509705456E-9 -1.053237929994605E-9 2.520971204228251E-9 7.694289839183538E-11
i -3.883542810699498E-14 9.867685055220937E-14 -6.305746354609614E-11 -9.446131127141262E-11 7.694289839183538E-11 8.004928725871305E-11

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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