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91040 (1998 FD14)
Classification: Main-belt Asteroid          SPK-ID: 2091040
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05007362565050884 3.4612e-08  
a 2.678667757787366 1.3347e-08 au
q 2.544537151241833 9.1694e-08 au
i 2.868806301810496 4.3405e-06 deg
node 41.11125963215608 8.1858e-05 deg
peri 33.65615247810216 9.457e-05 deg
M 119.1807670394453 4.7232e-05 deg
tp 2458470.372446116139
(2018-Dec-17.87244612)
0.00020938 TDB
period 1601.31474346885
4.38
1.1969e-05
3.277e-08
d
yr
n .2248152659983318 1.6803e-09 deg/d
Q 2.812798364332898 1.4016e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1283  
   data-arc span      8075 days (22.11 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5316  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:37:15  

Additional Information
 Earth MOID = 1.55991 au 
 Jupiter MOID = 2.30876 au 
 T_jup = 3.374 
[ 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 14.8   n/a MPO468895  
diameter diameter 3.071 km 0.504 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.62 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Stephens, R.D.; French, L.M.; James, D.; Rohl, D.; Warner, B.D. (2017) Minor Planet Bull. 44, 42-49.]
geometric albedo albedo 0.297   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91040 (1998 FD14)          Discovered 1998-Mar-25 by NEAT at Haleakala
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1998 FD14 = 2000 RY92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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