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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06281730573900406 3.8206e-08  
a 2.278463713665071 8.3122e-09 au
q 2.135336761948546 8.7427e-08 au
i 7.702357653466473 4.7484e-06 deg
node 10.39128705313018 2.882e-05 deg
peri 225.7903135048374 4.5995e-05 deg
M 128.5249631262566 3.691e-05 deg
tp 2458948.016377027652
(2020-Apr-08.51637703)
0.0001284 TDB
period 1256.208135313298
3.44
6.8743e-06
1.882e-08
d
yr
n .2865767143835731 1.5682e-09 deg/d
Q 2.421590665381596 8.8344e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1643  
   data-arc span      16385 days (44.86 yr)  
   first obs. used      1976-09-29  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47978  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:01:56  

Additional Information
 Earth MOID = 1.13314 au 
 Jupiter MOID = 2.56624 au 
 T_jup = 3.593 
[ 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 14.53   n/a E2021B10  
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

Alternate Designations
 1999 FR25 = 1976 SG9 = 1999 GC50 = 2000 QG98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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