Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1915004261997176 3.8835e-08  
a 2.584894607949684 1.2091e-08 au
q 2.089886188845968 1.0351e-07 au
i 11.93245172255638 4.4086e-06 deg
node 174.4137562790514 2.4505e-05 deg
peri 290.538599895372 2.8422e-05 deg
M 181.4873548307452 1.5334e-05 deg
tp 2459753.212576450115
(2022-Jun-22.71257645)
6.7225e-05 TDB
period 1517.968249616816
4.16
1.0651e-05
2.916e-08
d
yr
n .2371591106012103 1.664e-09 deg/d
Q 3.0799030270534 1.4407e-08 au
  Orbit Determination Parameters
   # obs. used (total)      676  
   data-arc span      8130 days (22.26 yr)  
   first obs. used      1998-02-27  
   last obs. used      2020-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5662  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:37:22  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-26 07:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin