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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07606814999414299 4.9711e-08  
a 3.064026258326978 2.0226e-08 au
q 2.830951449322568 1.5283e-07 au
i 10.45911690183016 5.8145e-06 deg
node 309.2693355132093 2.6177e-05 deg
peri 176.9413402879553 4.2416e-05 deg
M 268.7947602459528 3.4931e-05 deg
tp 2459496.811615818065
(2021-Oct-09.31161582)
0.00019203 TDB
period 1959.012247282371
5.36
1.9398e-05
5.311e-08
d
yr
n .1837660793082881 1.8196e-09 deg/d
Q 3.297101067331387 2.1765e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1519  
   data-arc span      11785 days (32.27 yr)  
   first obs. used      1987-08-24  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46403  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:49:14  

Additional Information
 Earth MOID = 1.84621 au 
 Jupiter MOID = 1.76736 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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