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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 
[ 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 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

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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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