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JPL Small-Body Database Browser
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20263 (1998 FF16)
Classification: Main-belt Asteroid          SPK-ID: 2020263
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1883310324962518 3.5937e-08  
a 2.393536673229839 8.246e-09 au
q 1.942759440242819 8.6015e-08 au
i 2.482209056619552 3.6948e-06 deg
node 161.0642668233757 9.5985e-05 deg
peri 106.4038335068469 9.6476e-05 deg
M 191.2921134326361 1.1638e-05 deg
tp 2459234.357217909357
(2021-Jan-19.85721791)
4.5366e-05 TDB
period 1352.566279444525
3.70
6.9896e-06
1.914e-08
d
yr
n .266160709069167 1.3754e-09 deg/d
Q 2.844313906216858 9.799e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1670  
   data-arc span      8844 days (24.21 yr)  
   first obs. used      1995-09-20  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49913  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:42:57  

Additional Information
 Earth MOID = .928154 au 
 Jupiter MOID = 2.24772 au 
 T_jup = 3.505 
[ 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 14.4   n/a MPO319338  
diameter diameter 3.618 km 0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.257   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20263 (1998 FF16)          Discovered 1998-Mar-25 by Kagawa, T. at Gekko
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FF16 = 1995 SS28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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