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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458011.5 (2017-Sep-15.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1296683617690551 3.6601e-08  
q 2.650387009674234 1.1739e-07 au
tp 2457368.080685082286
(2015-Dec-11.58068508)
8.6697e-05 TDB
node 181.0216677758528 1.2302e-05 deg
peri 265.1345603004112 2.0337e-05 deg
i 17.12183394643897 4.1546e-06 deg
  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
 Jupiter MOID = 1.95028 au 
 T_jup = 3.160 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.339632061256771E-15 -4.24072548821799E-15 -2.556772921279377E-13 2.120263947041143E-15 -1.993621365026869E-14 -4.001459531760613E-15
q -4.24072548821799E-15 1.378015412418385E-14 1.928821313959352E-13 -6.333941637881823E-15 -3.384826614915899E-14 1.381965343832251E-14
tp -2.556772921279377E-13 1.928821313959352E-13 7.516386839283577E-9 7.476713871835354E-12 1.415469908788247E-9 4.069340047713878E-12
node 2.120263947041143E-15 -6.333941637881823E-15 7.476713871835354E-12 1.513505352577785E-10 -1.429413591497655E-10 8.747912033859514E-12
peri -1.993621365026869E-14 -3.384826614915899E-14 1.415469908788247E-9 -1.429413591497655E-10 4.135772209503074E-10 -7.618932604288479E-12
i -4.001459531760613E-15 1.381965343832251E-14 4.069340047713878E-12 8.747912033859514E-12 -7.618932604288479E-12 1.726079593773095E-11

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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