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39894 (1998 FO13)
Classification: Main-belt Asteroid          SPK-ID: 2039894
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09073243129854144 4.7831e-08  
a 2.341210974748456 9.2503e-09 au
q 2.1287872108267 1.1275e-07 au
i 5.93342362212188 4.6616e-06 deg
node 55.12965596688826 4.2902e-05 deg
peri 102.6653705842629 4.9761e-05 deg
M 77.98203437219547 2.4107e-05 deg
tp 2458717.066412542971
(2019-Aug-21.56641254)
8.7587e-05 TDB
period 1308.456393911565
3.58
7.7548e-06
2.123e-08
d
yr
n .2751333568891799 1.6306e-09 deg/d
Q 2.553634738670211 1.009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1121  
   data-arc span      10515 days (28.79 yr)  
   first obs. used      1991-04-15  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53266  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:38:01  

Additional Information
 Earth MOID = 1.14672 au 
 Jupiter MOID = 2.43459 au 
 T_jup = 3.551 
[ 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 15.1   n/a MPO365720  
diameter diameter 2.812 km 0.439 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.245   0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39894 (1998 FO13)          Discovered 1998-Mar-26 by JPL/GEODSS NEAT at Haleakala
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FO13 = 2000 WF16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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