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 ]  
295428 (2008 KW31)
Classification: Main-belt Asteroid          SPK-ID: 2295428
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1160646788028401 5.0067e-08  
a 3.056005688718259 4.6353e-08 au
q 2.701311370037522 1.4824e-07 au
i 7.142763789629673 6.7077e-06 deg
node 158.1199359380058 4.2748e-05 deg
peri 101.2998904328354 5.2344e-05 deg
M 74.29803303273353 3.2335e-05 deg
tp 2458597.778811388915
(2019-Apr-24.27881139)
0.00017088 TDB
period 1951.325250240701
5.34
4.4396e-05
1.215e-07
d
yr
n .184490002348708 4.1975e-09 deg/d
Q 3.410700007398996 5.1733e-08 au
  Orbit Determination Parameters
   # obs. used (total)      215  
   data-arc span      6723 days (18.41 yr)  
   first obs. used      2002-03-06  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57036  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 19:25:12  

Additional Information
 Earth MOID = 1.69793 au 
 Jupiter MOID = 1.69739 au 
 T_jup = 3.213 
[ show covariance matrix ]

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 15.8   n/a MPO440401  

295428 (2008 KW31)          Discovered 2008-May-29 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
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-29 02:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin