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15431 (1998 UQ32)
Classification: Main-belt Asteroid          SPK-ID: 2015431
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1080265522220206 2.6572e-08  
a 2.298992021158007 5.8962e-09 au
q 2.050639839526372 6.0271e-08 au
i 5.635686736239878 3.0277e-06 deg
node 85.30666838810285 3.2379e-05 deg
peri 343.505213805365 3.646e-05 deg
M 85.75615360163528 1.6181e-05 deg
tp 2458697.203488144704
(2019-Aug-01.70348814)
5.7097e-05 TDB
period 1273.223432747625
3.49
4.8981e-06
1.341e-08
d
yr
n .2827469167945783 1.0877e-09 deg/d
Q 2.547344202789641 6.5331e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2739  
   data-arc span      9837 days (26.93 yr)  
   first obs. used      1993-05-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44058  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:11:12  

Additional Information
 Earth MOID = 1.06567 au 
 Jupiter MOID = 2.68524 au 
 T_jup = 3.579 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456874.5 (2014-Aug-05.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1071993453891083 2.65e-08  
q 2.052900254646814 6.0057e-08 au
tp 2457422.752393374094
(2016-Feb-04.25239337)
5.7546e-05 TDB
node 85.3620493842234 3.2401e-05 deg
peri 343.2395188035727 3.6565e-05 deg
i 5.633768227406065 3.0263e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2739  
   data-arc span      9837 days (26.93 yr)  
   first obs. used      1993-05-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44058  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:11:12  

Additional Information
 Jupiter MOID = 2.68524 au 
 T_jup = 3.579 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.022391127895438E-16 -1.585648771220486E-15 -7.547241516666039E-14 -1.593100563402796E-15 -3.558728590752429E-14 -6.989842505732724E-16
q -1.585648771220486E-15 3.606879846963775E-15 1.8079425943771E-13 3.533787573092453E-15 8.024455046600319E-14 1.616729395166274E-15
tp -7.547241516666039E-14 1.8079425943771E-13 3.311543669597135E-9 1.247821570949852E-11 9.833940056721033E-10 -6.507000160387491E-13
node -1.593100563402796E-15 3.533787573092453E-15 1.247821570949852E-11 1.049829273695899E-9 -1.040743672500587E-9 6.441275740256045E-12
peri -3.558728590752429E-14 8.024455046600319E-14 9.833940056721033E-10 -1.040743672500587E-9 1.337020201487603E-9 -6.600080862762981E-12
i -6.989842505732724E-16 1.616729395166274E-15 -6.507000160387491E-13 6.441275740256045E-12 -6.600080862762981E-12 9.158495900893576E-12

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 14.4   n/a MPO449063  
diameter diameter 3.253 km 0.161 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.318   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15431 (1998 UQ32)          Discovered 1998-Oct-30 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 UQ32 = 1996 GF15 = 1998 VO35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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