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JPL Small-Body Database Browser
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14685 (1999 XM172)
Classification: Main-belt Asteroid          SPK-ID: 2014685
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07594338666908144 4.9981e-08  
a 3.063708562561654 2.0516e-08 au
q 2.831040158553659 1.5341e-07 au
i 10.45910280301979 5.8625e-06 deg
node 309.2712885871409 2.6285e-05 deg
peri 177.1371132351246 4.2568e-05 deg
M 195.053225832123 3.4723e-05 deg
tp 2459497.951376861079
(2021-Oct-10.45137686)
0.00019228 TDB
period 1958.70757279052
5.36
1.9675e-05
5.387e-08
d
yr
n .1837946638900861 1.8462e-09 deg/d
Q 3.29637696656965 2.2074e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1487  
   data-arc span      11753 days (32.18 yr)  
   first obs. used      1987-08-24  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4652  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 03:51:12  

Additional Information
 Earth MOID = 1.84665 au 
 Jupiter MOID = 1.76923 au 
 T_jup = 3.203 
[ 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 13.1   n/a MPO452377  
diameter diameter 8.391 km 0.163 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.144   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14685 (1999 XM172)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20000418/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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