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JPL Small-Body Database Browser
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243910 (2001 FJ122)
Classification: Main-belt Asteroid          SPK-ID: 2243910
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1629479392336885 5.6644e-08  
a 2.869869663174269 3.6196e-08 au
q 2.402230315690742 1.6699e-07 au
i 10.53703716316672 1.0105e-05 deg
node 181.4848224414644 3.3692e-05 deg
peri 275.4849065543712 4.4986e-05 deg
M 326.6151607962937 3.3672e-05 deg
tp 2458765.179096301532
(2019-Oct-08.67909630)
0.00016771 TDB
period 1775.790331258207
4.86
3.3595e-05
9.198e-08
d
yr
n .2027266359452064 3.8353e-09 deg/d
Q 3.337509010657796 4.2094e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      6916 days (18.93 yr)  
   first obs. used      1999-10-10  
   last obs. used      2018-09-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59328  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:34:50  

Additional Information
 Earth MOID = 1.44666 au 
 Jupiter MOID = 1.948 au 
 T_jup = 3.254 
[ 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 15.6   n/a MPO454791  
diameter diameter 2.250 km 0.235 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.201   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243910 (2001 FJ122)          Discovered 2001-Mar-23 by LONEOS at Anderson Mesa
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 2001 FJ122 = 2004 XT40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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