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101146 (1998 RK70)
Classification: Main-belt Asteroid          SPK-ID: 2101146
[ 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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2707312721754047 3.706e-08  
a 3.077473675817777 1.584e-08 au
q 2.244305312477311 1.1669e-07 au
i 5.041012704981348 4.3549e-06 deg
node 78.40985820168906 5.5953e-05 deg
peri 340.9028937984588 5.6789e-05 deg
M 323.866584914628 8.0492e-06 deg
tp 2459198.423087124464
(2020-Dec-14.92308712)		 4.4129e-05 TDB
period 1971.922974799361
5.40		 1.5225e-05
4.168e-08		 d
yr
n .1825629117367676 1.4095e-09 deg/d
Q 3.910642039158243 2.0129e-08 au
   Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      9831 days (26.92 yr)  
   first obs. used      1993-12-17  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52419  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:28:51  

Additional Information
 Earth MOID = 1.25766 au 
 Jupiter MOID = 1.44953 au 
 T_jup = 3.166 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457383.5 (2015-Dec-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2638104537715386 3.5731e-08  
q 2.272953198313509 1.1082e-07 au
tp 2457207.376444769485
(2015-Jul-03.87644477)		 5.2011e-05 TDB
node 78.82371519977633 5.6616e-05 deg
peri 339.0389112045664 5.7577e-05 deg
i 5.010932751603025 4.3135e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      9831 days (26.92 yr)  
   first obs. used      1993-12-17  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52419  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:28:51  

Additional Information
 Jupiter MOID = 1.44953 au 
 T_jup = 3.166 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.276733493834177E-15 -3.938032846650684E-15 3.052626033967195E-14 -7.098594707900604E-15 2.72186932169645E-14 -8.974990412883419E-16
q -3.938032846650684E-15 1.228174099085621E-14 -2.326116440214761E-13 2.050100716387501E-14 -1.083194457993149E-13 3.217961653136024E-15
tp 3.052626033967195E-14 -2.326116440214761E-13 2.705163628515704E-9 2.001328356635628E-11 5.731817918888953E-10 2.094224394254193E-12
node -7.098594707900604E-15 2.050100716387501E-14 2.001328356635628E-11 3.205412859993881E-9 -3.190169550007545E-9 5.147913257091589E-12
peri 2.72186932169645E-14 -1.083194457993149E-13 5.731817918888953E-10 -3.190169550007545E-9 3.315157786839846E-9 -4.760398600057198E-12
i -8.974990412883419E-16 3.217961653136024E-15 2.094224394254193E-12 5.147913257091589E-12 -4.760398600057198E-12 1.860642269502177E-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 15.3   n/a MPO453465  
diameter diameter 2.159 km 0.524 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.346   0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101146 (1998 RK70)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 RK70 = 2000 DW83 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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