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JPL Small-Body Database Browser
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91057 (1998 FR50)
Classification: Main-belt Asteroid          SPK-ID: 2091057
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1915004145860577 4.2859e-08  
a 2.584894599879129 1.2899e-08 au
q 2.089886212341014 1.1473e-07 au
i 11.93245127840888 4.6799e-06 deg
node 174.4137423972642 2.6034e-05 deg
peri 290.538618667949 3.0273e-05 deg
M 181.4873512377407 1.6181e-05 deg
tp 2459753.212588075123
(2022-Jun-22.71258808)
7.0891e-05 TDB
period 1517.968242507717
4.16
1.1363e-05
3.111e-08
d
yr
n .2371591117118972 1.7752e-09 deg/d
Q 3.079902987417244 1.5369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      627  
   data-arc span      7738 days (21.19 yr)  
   first obs. used      1998-02-27  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56567  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:03:13  

Additional Information
 Earth MOID = 1.13993 au 
 Jupiter MOID = 2.14994 au 
 T_jup = 3.367 
[ 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 15.7   n/a MPO474788  
diameter diameter 3.648 km 0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.101   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91057 (1998 FR50)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1998 FR50 = 2000 SV194 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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