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 ]  
59501 (1999 JB9)
Classification: Main-belt Asteroid          SPK-ID: 2059501
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1211336573775068 3.2785e-08  
a 2.720691659690673 1.4452e-08 au
q 2.391124328355863 8.9523e-08 au
i 11.65903457165383 4.4111e-06 deg
node 179.0928673904706 1.8636e-05 deg
peri 144.5754007344094 2.6335e-05 deg
M 167.1892217859708 1.8507e-05 deg
tp 2458239.257213504711
(2018-Apr-30.75721350)
8.4131e-05 TDB
period 1639.145156672415
4.49
1.306e-05
3.576e-08
d
yr
n .2196266746325423 1.75e-09 deg/d
Q 3.050258991025483 1.6203e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1137  
   data-arc span      10361 days (28.37 yr)  
   first obs. used      1991-09-13  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .543  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:48:28  

Additional Information
 Earth MOID = 1.39035 au 
 Jupiter MOID = 2.36744 au 
 T_jup = 3.318 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456979.5 (2014-Nov-18.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1226364326588598 3.2938e-08  
q 2.385539505185963 8.9962e-08 au
tp 2456594.989418588022
(2013-Oct-29.48941859)
8.3321e-05 TDB
node 179.1514804102652 1.8649e-05 deg
peri 143.445238970021 2.6083e-05 deg
i 11.65498226712577 4.4093e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1137  
   data-arc span      10361 days (28.37 yr)  
   first obs. used      1991-09-13  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .543  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:48:28  

Additional Information
 Jupiter MOID = 2.36744 au 
 T_jup = 3.318 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.084880429171954E-15 -2.934219782444784E-15 5.665720381533188E-13 1.910491013597028E-15 1.108373606203968E-13 3.552131947926119E-16
q -2.934219782444784E-15 8.093176446226961E-15 -1.695193999076535E-12 -4.331722769957275E-15 -3.265916590273744E-13 -4.331456604685423E-16
tp 5.665720381533188E-13 -1.695193999076535E-12 6.942468087371707E-9 3.709011553414412E-12 1.53215133493939E-9 1.018553885814103E-12
node 1.910491013597028E-15 -4.331722769957275E-15 3.709011553414412E-12 3.478036803249391E-10 -3.395995909944503E-10 1.768799938658468E-11
peri 1.108373606203968E-13 -3.265916590273744E-13 1.53215133493939E-9 -3.395995909944503E-10 6.803183759192294E-10 -1.712318158136503E-11
i 3.552131947926119E-16 -4.331456604685423E-16 1.018553885814103E-12 1.768799938658468E-11 -1.712318158136503E-11 1.944173494376219E-11

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 14.4   n/a MPO417235  

59501 (1999 JB9)          Discovered 1999-May-07 by CSS at Catalina
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JB9 = 2000 QY82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-03 09:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin