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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1628699462103184 4.8747e-08  
a 2.869517582669275 2.2538e-08 au
q 2.402159408330367 1.3999e-07 au
i 10.53755134657427 5.7734e-06 deg
node 181.4738664264144 2.699e-05 deg
peri 275.4070307916336 3.4519e-05 deg
M 47.77798611393643 1.7962e-05 deg
tp 2458764.866463569800
(2019-Oct-08.36646357)
8.9456e-05 TDB
period 1775.463555801246
4.86
2.0917e-05
5.727e-08
d
yr
n .2027639479412103 2.3888e-09 deg/d
Q 3.336875757008182 2.6209e-08 au
  Orbit Determination Parameters
   # obs. used (total)      423  
   data-arc span      7500 days (20.53 yr)  
   first obs. used      1999-10-10  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53036  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:51:54  

Additional Information
 Earth MOID = 1.4465 au 
 Jupiter MOID = 1.9477 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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