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175055 (2004 FR122)
Classification: Main-belt Asteroid          SPK-ID: 2175055
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1859067556140435 5.3684e-08  
a 2.673834622312898 1.7086e-08 au
q 2.176750702630206 1.4626e-07 au
i 13.20881908661232 6.2013e-06 deg
node 243.5258499904469 2.7953e-05 deg
peri 240.6024129298781 3.3966e-05 deg
M 347.3725803317636 1.7264e-05 deg
tp 2459256.516033631152
(2021-Feb-11.01603363)
7.6644e-05 TDB
period 1596.982807021186
4.37
1.5307e-05
4.191e-08
d
yr
n .2254250943825122 2.1607e-09 deg/d
Q 3.17091854199559 2.0262e-08 au
  Orbit Determination Parameters
   # obs. used (total)      446  
   data-arc span      8115 days (22.22 yr)  
   first obs. used      1998-12-15  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5209  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:03:51  

Additional Information
 Earth MOID = 1.22574 au 
 Jupiter MOID = 2.10973 au 
 T_jup = 3.317 
[ 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 15.8   n/a MPO367082  

175055 (2004 FR122)          Discovered 2004-Mar-26 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2004 FR122 = 1998 XH87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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