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 ]  
91388 (1999 JM132)
Classification: Main-belt Asteroid          SPK-ID: 2091388
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1166003159449007 6.4305e-08  
a 2.480566685262066 1.4192e-08 au
q 2.191331826038114 1.584e-07 au
i 14.51389645098667 6.2636e-06 deg
node 213.2441310062953 1.9013e-05 deg
peri 21.88462147351601 2.8787e-05 deg
M 123.4533425506507 2.4742e-05 deg
tp 2458511.143750184078
(2019-Jan-27.64375018)
9.5611e-05 TDB
period 1427.002673997696
3.91
1.2247e-05
3.353e-08
d
yr
n .2522770325240338 2.1651e-09 deg/d
Q 2.769801544486018 1.5847e-08 au
  Orbit Determination Parameters
   # obs. used (total)      599  
   data-arc span      7872 days (21.55 yr)  
   first obs. used      1999-04-07  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58298  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:40:04  

Additional Information
 Earth MOID = 1.18718 au 
 Jupiter MOID = 2.22195 au 
 T_jup = 3.425 
[ 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 15.6   n/a MPO436410  
diameter diameter 4.635 km 0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91388 (1999 JM132)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Dec-05 10:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin