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91290 (1999 FR25)
Classification: Main-belt Asteroid          SPK-ID: 2091290
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0621921200660942 3.9364e-08  
a 2.278950552452859 8.6969e-09 au
q 2.137217786070019 9.0581e-08 au
i 7.699193915850397 5.031e-06 deg
node 10.43514226679992 2.9086e-05 deg
peri 226.1728638830042 4.9152e-05 deg
M 14.71096169658077 4.1478e-05 deg
tp 2458949.150130519157
(2020-Apr-09.65013052)
0.00014471 TDB
period 1256.610777349809
3.44
7.1932e-06
1.969e-08
d
yr
n .2864848897438551 1.6399e-09 deg/d
Q 2.420683318835699 9.2377e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1530  
   data-arc span      15917 days (43.58 yr)  
   first obs. used      1976-09-29  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48886  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:39:02  

Additional Information
 Earth MOID = 1.13461 au 
 Jupiter MOID = 2.56966 au 
 T_jup = 3.592 
[ 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 14.5   n/a MPO351485  
diameter diameter 3.057 km 0.261 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.273   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91290 (1999 FR25)          Discovered 1999-Mar-19 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 FR25 = 1976 SG9 = 1999 GC50 = 2000 QG98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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