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 ]  
332521 (2008 KB28)
Classification: Main-belt Asteroid          SPK-ID: 2332521
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1464400091675063 4.4511e-08  
a 2.522132491239665 1.9746e-08 au
q 2.152791386100863 1.1477e-07 au
i 16.36656916886517 4.2323e-06 deg
node 133.5695938295971 2.058e-05 deg
peri 186.0707629620342 3.0392e-05 deg
M 299.2625404274976 2.4283e-05 deg
tp 2459247.333666610163
(2021-Feb-01.83366661)
9.8583e-05 TDB
period 1463.020030885327
4.01
1.7181e-05
4.704e-08
d
yr
n .2460663506993481 2.8897e-09 deg/d
Q 2.891473596378467 2.2638e-08 au
  Orbit Determination Parameters
   # obs. used (total)      305  
   data-arc span      9267 days (25.37 yr)  
   first obs. used      1995-02-02  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53666  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 05:38:52  

Additional Information
 Earth MOID = 1.14 au 
 Jupiter MOID = 2.42281 au 
 T_jup = 3.385 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457637.5 (2016-Sep-06.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1456060197502188 4.4461e-08  
q 2.154937285932363 1.1456e-07 au
tp 2457784.788722999643
(2017-Jan-31.28872300)
0.00010115 TDB
node 133.5834275348008 2.0584e-05 deg
peri 186.1873734014492 3.051e-05 deg
i 16.36372595252845 4.2315e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      305  
   data-arc span      9267 days (25.37 yr)  
   first obs. used      1995-02-02  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53666  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 05:38:52  

Additional Information
 Jupiter MOID = 2.42281 au 
 T_jup = 3.385 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.976763961359059E-15 -5.037483251921776E-15 -1.89988221755548E-12 -1.666490270551323E-14 -3.403238391594703E-13 -1.055055994565697E-14
q -5.037483251921776E-15 1.312378119537857E-14 4.453728852051235E-12 3.926924399367806E-14 7.73398994766785E-13 2.681743700259929E-14
tp -1.89988221755548E-12 4.453728852051235E-12 1.023092449283009E-8 7.338146410498693E-11 2.317932782242052E-9 3.96093757899961E-11
node -1.666490270551323E-14 3.926924399367806E-14 7.338146410498693E-11 4.237048544778193E-10 -3.896991746606897E-10 -2.31884239149509E-11
peri -3.403238391594703E-13 7.73398994766785E-13 2.317932782242052E-9 -3.896991746606897E-10 9.30879750148955E-10 3.13266513990743E-11
i -1.055055994565697E-14 2.681743700259929E-14 3.96093757899961E-11 -2.31884239149509E-11 3.13266513990743E-11 1.790540467798166E-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 16.3   n/a MPO434081  

332521 (2008 KB28)          Discovered 2008-May-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

[ show close-approach data ]
Alternate Designations
 2008 KB28 = 2011 DE1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-20 17:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin