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17598 (1995 KE2)
Classification: Main-belt Asteroid          SPK-ID: 2017598
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08766840767943604 3.5873e-08  
a 2.197181985754418 7.4062e-09 au
q 2.004558539681387 7.8104e-08 au
i 6.77083114224075 3.9832e-06 deg
node 80.01771374724336 3.2522e-05 deg
peri 164.592726443701 4.1043e-05 deg
M 244.2448742987498 2.6822e-05 deg
tp 2459383.003313387237
(2021-Jun-17.50331339)
8.9075e-05 TDB
period 1189.590456450241
3.26
6.0147e-06
1.647e-08
d
yr
n .302625158135722 1.5301e-09 deg/d
Q 2.389805431827449 8.0555e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1756  
   data-arc span      13799 days (37.78 yr)  
   first obs. used      1982-04-22  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4743  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:07:42  

Additional Information
 Earth MOID = .991722 au 
 Jupiter MOID = 2.61723 au 
 T_jup = 3.654 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456423.5 (2013-May-11.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08783268675661235 3.5848e-08  
q 2.004588532701289 7.8045e-08 au
tp 2457002.929405497337
(2014-Dec-11.42940550)
8.6887e-05 TDB
node 80.05096012593285 3.2513e-05 deg
peri 164.2356113206568 4.1006e-05 deg
i 6.771940840748327 3.9829e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1756  
   data-arc span      13799 days (37.78 yr)  
   first obs. used      1982-04-22  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4743  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:07:42  

Additional Information
 Jupiter MOID = 2.61723 au 
 T_jup = 3.654 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.285059606437814E-15 -2.787448437807742E-15 7.556042010675894E-13 -3.946373672267358E-15 1.946959165742758E-13 3.308884962191535E-16
q -2.787448437807742E-15 6.091017336523423E-15 -1.587826427078009E-12 8.668237205252426E-15 -4.124019776612316E-13 -6.623988282453046E-16
tp 7.556042010675894E-13 -1.587826427078009E-12 7.549326409449326E-9 3.805133991391002E-12 2.181819045948083E-9 -4.886048269249549E-12
node -3.946373672267358E-15 8.668237205252426E-15 3.805133991391002E-12 1.057111339487613E-9 -1.048297127613273E-9 1.476044339838604E-11
peri 1.946959165742758E-13 -4.124019776612316E-13 2.181819045948083E-9 -1.048297127613273E-9 1.681505565681708E-9 -1.610899574991347E-11
i 3.308884962191535E-16 -6.623988282453046E-16 -4.886048269249549E-12 1.476044339838604E-11 -1.610899574991347E-11 1.586327973855641E-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 14.0   n/a MPO502303  
diameter diameter 4.861 km 0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.188   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17598 (1995 KE2)          Discovered 1995-May-23 by Otomo, S. at Kiyosato
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 KE2 = 2000 AZ164 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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