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JPL Small-Body Database Browser
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17134 (1999 JX81)
Classification: Main-belt Asteroid          SPK-ID: 2017134
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2450827285729104 3.3139e-08  
a 3.139045850256684 2.3381e-08 au
q 2.369719928160305 1.0712e-07 au
i 7.541767731476124 3.8986e-06 deg
node 95.21697506160389 3.412e-05 deg
peri 198.4057086668874 3.5277e-05 deg
M 228.1986165927095 1.0268e-05 deg
tp 2459744.225005661408
(2022-Jun-13.72500566)
6e-05 TDB
period 2031.397509772246
5.56
2.2697e-05
6.214e-08
d
yr
n .1772178996322399 1.98e-09 deg/d
Q 3.908371772353064 2.9112e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1209  
   data-arc span      10280 days (28.15 yr)  
   first obs. used      1991-12-13  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55535  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:56:50  

Additional Information
 Earth MOID = 1.35499 au 
 Jupiter MOID = 1.30968 au 
 T_jup = 3.151 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456931.5 (2014-Oct-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2431761321220939 3.3079e-08  
q 2.381960771616625 1.0623e-07 au
tp 2457709.599854073910
(2016-Nov-17.09985407)
5.7773e-05 TDB
node 95.36403271180893 3.3997e-05 deg
peri 197.4778214491522 3.521e-05 deg
i 7.548516514652789 3.9021e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1209  
   data-arc span      10280 days (28.15 yr)  
   first obs. used      1991-12-13  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55535  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:56:50  

Additional Information
 Jupiter MOID = 1.30968 au 
 T_jup = 3.151 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.094221991775987E-15 -3.463973122485839E-15 -2.651468147825296E-14 -1.215166702278788E-14 1.523565853895533E-14 4.172834686836232E-16
q -3.463973122485839E-15 1.128440284638129E-14 1.944489856664877E-14 1.554236045081945E-14 -7.048668643329917E-14 -1.177709086764092E-15
tp -2.651468147825296E-14 1.944489856664877E-14 3.337667497186299E-9 -5.735131508570212E-12 5.549221446861666E-10 -7.653643562900597E-13
node -1.215166702278788E-14 1.554236045081945E-14 -5.735131508570212E-12 1.155784605686167E-9 -1.146839765434348E-9 -1.648930042009706E-12
peri 1.523565853895533E-14 -7.048668643329917E-14 5.549221446861666E-10 -1.146839765434348E-9 1.239754230362372E-9 1.549982966929928E-12
i 4.172834686836232E-16 -1.177709086764092E-15 -7.653643562900597E-13 -1.648930042009706E-12 1.549982966929928E-12 1.52264138596228E-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 13.8   n/a MPO435858  
diameter diameter 7.647 km 0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.120   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17134 (1999 JX81)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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