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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1024923781442406 1.2912e-08  
a 2.611033106840043 1.127e-08 au
q 2.343422114306661 3.8813e-08 au
i 17.16608137520003 7.3728e-07 deg
node 339.0585106404586 1.6992e-06 deg
peri 47.45706967052033 1.0781e-05 deg
M 286.1757049049236 1.299e-05 deg
tp 2459516.519442609494
(2021-Oct-29.01944261)
5.6363e-05 TDB
period 1541.050939841693
4.22
9.9772e-06
2.732e-08
d
yr
n .2336068138260125 1.5124e-09 deg/d
Q 2.878644099373424 1.2425e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1632  
   data-arc span      12051 days (32.99 yr)  
   first obs. used      1987-08-25  
   last obs. used      2020-08-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47741  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:12:49  

Additional Information
 Earth MOID = 1.36991 au 
 Jupiter MOID = 2.56908 au 
 T_jup = 3.339 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456875.5 (2014-Aug-06.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1025954745176554 1.2661e-08  
q 2.342832903667423 3.8161e-08 au
tp 2456442.012904021381
(2013-May-29.51290402)
5.2605e-05 TDB
node 339.119261639494 1.7006e-06 deg
peri 48.6098814333375 1.0878e-05 deg
i 17.1563688011745 7.3677e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      1632  
   data-arc span      12051 days (32.99 yr)  
   first obs. used      1987-08-25  
   last obs. used      2020-08-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47741  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:12:49  

Additional Information
 Jupiter MOID = 2.56908 au 
 T_jup = 3.339 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.602946488490745E-16 -4.68608396962379E-16 -3.932959067841866E-13 2.641028994298412E-15 -8.618483145216547E-14 4.314158834180599E-16
q -4.68608396962379E-16 1.456252446703244E-15 1.040482817485295E-12 -6.994104341202142E-15 2.379339658073985E-13 -1.260853682152619E-15
tp -3.932959067841866E-13 1.040482817485295E-12 2.767304775314047E-9 -1.196872042976051E-11 5.6368950913163E-10 -8.526963135459197E-12
node 2.641028994298412E-15 -6.994104341202142E-15 -1.196872042976051E-11 2.891922193673729E-12 -4.973574458919612E-12 7.230675169921321E-13
peri -8.618483145216547E-14 2.379339658073985E-13 5.6368950913163E-10 -4.973574458919612E-12 1.18320858477636E-10 -2.458134994248664E-12
i 4.314158834180599E-16 -1.260853682152619E-15 -8.526963135459197E-12 7.230675169921321E-13 -2.458134994248664E-12 5.42828263202846E-13

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.33   n/a E2021B10  
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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