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160859 (2001 FH122)
Classification: Main-belt Asteroid          SPK-ID: 2160859
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1324605109000211 3.6701e-08  
a 3.039937658951537 2.1853e-08 au
q 2.637265963542601 1.1766e-07 au
i 17.1110632561217 4.1517e-06 deg
node 180.9037669251217 1.2333e-05 deg
peri 265.2414009074675 1.9992e-05 deg
M 340.327949492006 1.4795e-05 deg
tp 2459306.289502093685
(2021-Apr-01.78950209)
7.9474e-05 TDB
period 1935.955824139964
5.30
2.0875e-05
5.715e-08
d
yr
n .1859546563568555 2.0051e-09 deg/d
Q 3.442609354360472 2.4747e-08 au
  Orbit Determination Parameters
   # obs. used (total)      571  
   data-arc span      7724 days (21.15 yr)  
   first obs. used      1999-12-16  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51042  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:03:06  

Additional Information
 Earth MOID = 1.72001 au 
 Jupiter MOID = 1.95028 au 
 T_jup = 3.160 
[ 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 15.41   n/a MPCxxxxx  

160859 (2001 FH122)          Discovered 2001-Mar-23 by LONEOS at Anderson Mesa
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 2001 FH122 = 2006 DV13 = 2007 MQ20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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