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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07614875470533469 2.625e-08  
a 3.064835848912224 1.528e-08 au
q 2.83145241564129 8.3837e-08 au
i 10.45909873126206 4.1644e-07 deg
node 309.2686635649312 3.2096e-06 deg
peri 176.7593116524511 1.2104e-05 deg
M 305.7269037141953 9.0743e-06 deg
tp 2459495.955006319625
(2021-Oct-08.45500632)
4.9219e-05 TDB
period 1959.788726903443
5.37
1.4656e-05
4.013e-08
d
yr
n .1836932701255082 1.3737e-09 deg/d
Q 3.298219282183157 1.6443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1975  
   data-arc span      12260 days (33.57 yr)  
   first obs. used      1987-08-24  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44333  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 01:52:03  

Additional Information
 Earth MOID = 1.84666 au 
 Jupiter MOID = 1.76601 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 13.14   n/a MPCxxxxx  
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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