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29254 (1993 FR1)
Classification: Main-belt Asteroid          SPK-ID: 2029254
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09358714166190406 3.5118e-08  
a 3.194449950727397 2.0339e-08 au
q 2.895490510656809 1.1124e-07 au
i 5.906814907705018 4.0883e-06 deg
node 74.67899988761226 4.5391e-05 deg
peri 221.6961227276144 5.2942e-05 deg
M 175.1498138856526 2.9029e-05 deg
tp 2457985.888597943833
(2017-Aug-20.38859794)
0.00016661 TDB
period 2085.415317533148
5.71
1.9917e-05
5.453e-08
d
yr
n .1726274843065056 1.6487e-09 deg/d
Q 3.493409390797984 2.2242e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2015  
   data-arc span      9894 days (27.09 yr)  
   first obs. used      1993-03-23  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48635  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:37:04  

Additional Information
 Earth MOID = 1.88296 au 
 Jupiter MOID = 1.67354 au 
 T_jup = 3.181 
[ 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 12.6   n/a MPO452581  
diameter diameter 15.411 km 0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.089   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

29254 (1993 FR1)          Discovered 1993-Mar-25 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 FR1 = 1999 GC20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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