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39960 (1998 FU122)
Classification: Main-belt Asteroid          SPK-ID: 2039960
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2303021752490243 2.9466e-08  
a 2.429751632085767 7.8367e-09 au
q 1.870174545901548 7.2934e-08 au
i 7.402628766441042 4.4743e-06 deg
node 179.6019935722078 2.8984e-05 deg
peri 106.6498271571377 3.0886e-05 deg
M 342.0158593496075 1.0157e-05 deg
tp 2459465.608018416389
(2021-Sep-08.10801842)
3.9094e-05 TDB
period 1383.379229151937
3.79
6.6928e-06
1.832e-08
d
yr
n .2602323299451977 1.259e-09 deg/d
Q 2.989328718269987 9.6416e-09 au
  Orbit Determination Parameters
   # obs. used (total)      926  
   data-arc span      9398 days (25.73 yr)  
   first obs. used      1995-09-26  
   last obs. used      2021-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51793  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 07:30:52  

Additional Information
 Earth MOID = .870186 au 
 Jupiter MOID = 2.2335 au 
 T_jup = 3.460 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.53   n/a E2021B10  
diameter diameter 1.518 km 0.280 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.530   0.240 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39960 (1998 FU122)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FU122 = 1999 TP283 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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