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17138 (1999 JM84)
Classification: Main-belt Asteroid          SPK-ID: 2017138
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1056130802003898 2.9663e-08  
a 2.657655407345946 1.1032e-08 au
q 2.376972233664918 7.9825e-08 au
i 14.5430735869685 3.6532e-06 deg
node 152.870122845608 1.7142e-05 deg
peri 327.1493275232855 2.8634e-05 deg
M 56.83081968763784 2.2442e-05 deg
tp 2458750.679628215211
(2019-Sep-24.17962822)
9.8511e-05 TDB
period 1582.509883489987
4.33
9.8536e-06
2.698e-08
d
yr
n .2274867308923685 1.4165e-09 deg/d
Q 2.938338581026973 1.2197e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1640  
   data-arc span      12299 days (33.67 yr)  
   first obs. used      1986-06-04  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50568  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:56:51  

Additional Information
 Earth MOID = 1.40315 au 
 Jupiter MOID = 2.12461 au 
 T_jup = 3.334 
[ 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 13.9   n/a MPO452413  
diameter diameter 6.020 km 1.385 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.161   0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

17138 (1999 JM84)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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