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17778 (1998 FT11)
Classification: Main-belt Asteroid          SPK-ID: 2017778
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1029265691267901 5.6147e-08  
a 2.609806072382729 1.1893e-08 au
q 2.341187687266112 1.4502e-07 au
i 17.16071551772912 5.2272e-06 deg
node 339.0887997522785 1.4262e-05 deg
peri 47.68108255013889 2.4316e-05 deg
M 239.2213363903798 2.0199e-05 deg
tp 2459517.152460442992
(2021-Oct-29.65246044)
8.7256e-05 TDB
period 1539.964760337541
4.22
1.0527e-05
2.882e-08
d
yr
n .2337715831374561 1.598e-09 deg/d
Q 2.878424457499347 1.3117e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1505  
   data-arc span      11582 days (31.71 yr)  
   first obs. used      1987-08-25  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46794  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:33:00  

Additional Information
 Earth MOID = 1.36951 au 
 Jupiter MOID = 2.57074 au 
 T_jup = 3.340 
[ 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 13.3   n/a MPO337409  
diameter diameter 5.303 km 0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.361   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17778 (1998 FT11)          Discovered 1998-Mar-24 by JPL/GEODSS NEAT at Haleakala
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FT11 = 1987 RS4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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