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 ]  
108469 (2001 KW56)
Classification: Main-belt Asteroid          SPK-ID: 2108469
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .124300774133127 4.5015e-08  
a 2.988728119351474 3.3086e-08 au
q 2.617226900442641 1.3166e-07 au
i 14.88592461010063 5.0263e-06 deg
node 86.13060501038395 2.1723e-05 deg
peri 203.5762064238213 3.6953e-05 deg
M 195.5824179471092 3.5124e-05 deg
tp 2459862.433574050693
(2022-Oct-09.93357405)
0.00019193 TDB
period 1887.243947903526
5.17
3.1338e-05
8.58e-08
d
yr
n .1907543539349598 3.1675e-09 deg/d
Q 3.360229338260307 3.7198e-08 au
  Orbit Determination Parameters
   # obs. used (total)      620  
   data-arc span      6889 days (18.86 yr)  
   first obs. used      2001-03-14  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54202  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:07:56  

Additional Information
 Earth MOID = 1.60735 au 
 Jupiter MOID = 1.79969 au 
 T_jup = 3.195 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457214.5 (2015-Jul-11.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1251237809034323 4.5168e-08  
q 2.616052406333649 1.3253e-07 au
tp 2457970.101824803057
(2017-Aug-04.60182480)
0.00017443 TDB
node 86.31380375379717 2.171e-05 deg
peri 202.4409200510875 3.6673e-05 deg
i 14.89125154762829 5.0264e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      620  
   data-arc span      6889 days (18.86 yr)  
   first obs. used      2001-03-14  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54202  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:07:56  

Additional Information
 Jupiter MOID = 1.79969 au 
 T_jup = 3.195 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.040143074370976E-15 -5.844566888780162E-15 1.144923618874955E-12 -4.208024774285245E-15 1.907509634757574E-13 2.630283645138732E-15
q -5.844566888780162E-15 1.756483868330513E-14 -1.019188310199613E-12 1.47092070458495E-14 -2.20853735650526E-13 -6.917479930495419E-15
tp 1.144923618874955E-12 -1.019188310199613E-12 3.042564560901263E-8 -4.723894496176976E-11 5.191141492148042E-9 1.449803482607426E-11
node -4.208024774285245E-15 1.47092070458495E-14 -4.723894496176976E-11 4.713239707684419E-10 -4.636585765467457E-10 -2.366263112276686E-12
peri 1.907509634757574E-13 -2.20853735650526E-13 5.191141492148042E-9 -4.636585765467457E-10 1.344934631375847E-9 4.722089802942396E-12
i 2.630283645138732E-15 -6.917479930495419E-15 1.449803482607426E-11 -2.366263112276686E-12 4.722089802942396E-12 2.526491268198685E-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 14.6   n/a MPO469105  
diameter diameter 4.123 km 1.459 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.165   0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108469 (2001 KW56)          Discovered 2001-May-23 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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-Jul-15 06:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin