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91047 (1998 FT30)
Classification: Main-belt Asteroid          SPK-ID: 2091047
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .172186001156161 1.811e-07  
a 2.54198716715841 1.5356e-08 au
q 2.104292561855126 4.6981e-07 au
i 5.809929697211155 6.0796e-06 deg
node 176.8635059390604 4.025e-05 deg
peri 344.5036826244468 4.2247e-05 deg
M 180.4792486543393 1.4373e-05 deg
tp 2459738.694175084711
(2022-Jun-08.19417508)
6.393e-05 TDB
period 1480.329716974079
4.05
1.3414e-05
3.673e-08
d
yr
n .2431890651603421 2.2036e-09 deg/d
Q 2.979681772461694 1.8e-08 au
  Orbit Determination Parameters
   # obs. used (total)      799  
   data-arc span      8242 days (22.57 yr)  
   first obs. used      1998-02-27  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58266  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:16:12  

Additional Information
 Earth MOID = 1.1131 au 
 Jupiter MOID = 2.00349 au 
 T_jup = 3.417 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO280376  
diameter diameter 1.995 km 0.227 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.369   0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91047 (1998 FT30)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1998 FT30 = 2002 AA64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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