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JPL Small-Body Database Browser
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173181 (1998 FM)
Classification: Main-belt Asteroid          SPK-ID: 2173181
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1896802393498775 4.7278e-08  
a 3.01116706011857 2.6244e-08 au
q 2.440008171432813 1.4295e-07 au
i 2.7622766475762 6.2922e-06 deg
node 48.74002959496046 0.00011913 deg
peri 204.2684131188366 0.00012042 deg
M 317.0026960197667 1.7582e-05 deg
tp 2458828.449911411094
(2019-Dec-10.94991141)
9.3756e-05 TDB
period 1908.537524718275
5.23
2.4951e-05
6.831e-08
d
yr
n .1886261052441925 2.466e-09 deg/d
Q 3.582325948804327 3.1222e-08 au
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      7714 days (21.12 yr)  
   first obs. used      1998-03-18  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57348  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:27:33  

Additional Information
 Earth MOID = 1.42564 au 
 Jupiter MOID = 1.47088 au 
 T_jup = 3.220 
[ 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 15.7   n/a MPO433112  

173181 (1998 FM)          Discovered 1998-Mar-18 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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