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JPL Small-Body Database Browser
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58787 (1998 FW78)
Classification: Main-belt Asteroid          SPK-ID: 2058787
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1498888659354183 5.5138e-08  
a 2.992598311520046 2.5857e-08 au
q 2.544041144406059 1.6642e-07 au
i 11.99985947465614 6.146e-06 deg
node 50.60899363412977 2.6186e-05 deg
peri 324.3537631032127 3.2557e-05 deg
M 211.1783485524415 2.3881e-05 deg
tp 2459382.190232751608
(2021-Jun-16.69023275)
0.00013149 TDB
period 1890.91090613076
5.18
2.4507e-05
6.71e-08
d
yr
n .1903844326207008 2.4675e-09 deg/d
Q 3.441155478634033 2.9733e-08 au
  Orbit Determination Parameters
   # obs. used (total)      680  
   data-arc span      7717 days (21.13 yr)  
   first obs. used      1998-03-24  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57212  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:13:44  

Additional Information
 Earth MOID = 1.55652 au 
 Jupiter MOID = 2.03842 au 
 T_jup = 3.206 
[ 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 14.1   n/a MPO347913  
diameter diameter 5.427 km 0.448 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.181   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58787 (1998 FW78)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FW78 = 2000 SY209 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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