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91293 (1999 FD28)
Classification: Main-belt Asteroid          SPK-ID: 2091293
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1877722023090846 3.994e-08  
a 2.590533619621257 1.3435e-08 au
q 2.104103416709249 1.0382e-07 au
i 28.3038009041908 6.9082e-06 deg
node 7.791130330521426 1.0482e-05 deg
peri 302.4105220967995 2.3476e-05 deg
M 292.4383535493943 2.2967e-05 deg
tp 2459286.311697971526
(2021-Mar-12.81169797)
9.8158e-05 TDB
period 1522.938185720118
4.17
1.1847e-05
3.244e-08
d
yr
n .2363851687320946 1.8388e-09 deg/d
Q 3.076963822533265 1.5957e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1022  
   data-arc span      7760 days (21.25 yr)  
   first obs. used      1999-03-19  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46199  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:38:54  

Additional Information
 Earth MOID = 1.18737 au 
 Jupiter MOID = 2.56567 au 
 T_jup = 3.229 
[ 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 MPO436410  
diameter diameter 7.349 km 0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91293 (1999 FD28)          Discovered 1999-Mar-19 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 FD28 = 2000 QH66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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