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 ]  
79452 (1997 WA13)
Classification: Main-belt Asteroid          SPK-ID: 2079452
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 .1639725846711917 4.8815e-08  
a 2.880365706420416 2.2674e-08 au
q 2.408064696740398 1.3349e-07 au
i 7.956568197033961 6.5805e-06 deg
node 228.3274176703478 4.1438e-05 deg
peri 222.1848669669236 4.7199e-05 deg
M 192.4903403999199 2.6277e-05 deg
tp 2459831.320548986000
(2022-Sep-08.82054899)
0.00013642 TDB
period 1785.541194155809
4.89
2.1083e-05
5.772e-08
d
yr
n .2016195432389368 2.3806e-09 deg/d
Q 3.352666716100435 2.6391e-08 au
  Orbit Determination Parameters
   # obs. used (total)      331  
   data-arc span      7859 days (21.52 yr)  
   first obs. used      1997-11-23  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61125  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:40:56  

Additional Information
 Earth MOID = 1.43126 au 
 Jupiter MOID = 1.91634 au 
 T_jup = 3.260 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456826.5 (2014-Jun-18.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1671406172391078 4.906e-08  
q 2.392829534387481 1.3497e-07 au
tp 2456264.879845802024
(2012-Dec-03.37984580)
0.00011103 TDB
node 228.4454688823933 4.1296e-05 deg
peri 221.3842338067229 4.6869e-05 deg
i 7.978435007646119 6.5987e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      331  
   data-arc span      7859 days (21.52 yr)  
   first obs. used      1997-11-23  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61125  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:40:56  

Additional Information
 Jupiter MOID = 1.91634 au 
 T_jup = 3.260 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.406843722369978E-15 -6.568456361849284E-15 1.308725717918235E-13 1.625668445270027E-14 4.517314254545363E-14 -3.68225924426894E-16
q -6.568456361849284E-15 1.821804393542804E-14 4.605561165301572E-13 -4.202452490734673E-14 5.090550735297721E-14 1.878551514261079E-15
tp 1.308725717918235E-13 4.605561165301572E-13 1.232863563391587E-8 1.750633368439163E-11 2.498932916256321E-9 1.281342339457189E-11
node 1.625668445270027E-14 -4.202452490734673E-14 1.750633368439163E-11 1.705362757341154E-9 -1.684834683580227E-9 -8.429244950222724E-11
peri 4.517314254545363E-14 5.090550735297721E-14 2.498932916256321E-9 -1.684834683580227E-9 2.196724746535023E-9 8.605649741390293E-11
i -3.68225924426894E-16 1.878551514261079E-15 1.281342339457189E-11 -8.429244950222724E-11 8.605649741390293E-11 4.354321015277178E-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 15.7   n/a MPO436336  

79452 (1997 WA13)          Discovered 1997-Nov-23 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1997 WA13 = 2002 UO22 
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-08 13:05 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin