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 ]  
150166 (1997 WS1)
Classification: Main-belt Asteroid          SPK-ID: 2150166
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .215064765894279 4.0341e-08  
a 2.580947042840867 1.7671e-08 au
q 2.025876271286764 1.0281e-07 au
i 2.588482888010307 4.6295e-06 deg
node 47.07214152424486 0.00013046 deg
peri 334.0855639691914 0.00013175 deg
M 221.1413842658745 2.4356e-05 deg
tp 2459784.667508749099
(2022-Jul-24.16750875)
0.00010751 TDB
period 1514.492291586289
4.15
1.5554e-05
4.258e-08
d
yr
n .2377034218001424 2.4412e-09 deg/d
Q 3.136017814394969 2.1471e-08 au
  Orbit Determination Parameters
   # obs. used (total)      385  
   data-arc span      8268 days (22.64 yr)  
   first obs. used      1997-09-07  
   last obs. used      2020-04-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57199  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:17:23  

Additional Information
 Earth MOID = 1.02786 au 
 Jupiter MOID = 2.32362 au 
 T_jup = 3.390 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456712.5 (2014-Feb-24.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .212088533709375 4.0052e-08  
q 2.035055282715449 1.0177e-07 au
tp 2456752.357023152767
(2014-Apr-04.85702315)
8.4833e-05 TDB
node 47.19063179040871 0.00013064 deg
peri 333.8006572645907 0.00013199 deg
i 2.586832121867606 4.6223e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      385  
   data-arc span      8268 days (22.64 yr)  
   first obs. used      1997-09-07  
   last obs. used      2020-04-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57199  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:17:23  

Additional Information
 Jupiter MOID = 2.32362 au 
 T_jup = 3.390 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.604142946707403E-15 -4.037926974164393E-15 6.573442172733222E-14 3.395285990844639E-15 -9.731216075053136E-15 -2.187123150302616E-16
q -4.037926974164393E-15 1.035707068353545E-14 6.974139170740039E-13 -5.669086771920985E-15 2.121724656321392E-13 6.731802364290399E-16
tp 6.573442172733222E-14 6.974139170740039E-13 7.196693359855231E-9 1.586461482217344E-11 1.640779607434614E-9 5.535966460868216E-13
node 3.395285990844639E-15 -5.669086771920985E-15 1.586461482217344E-11 1.706744886735537E-8 -1.704630109298678E-8 6.196254373843518E-11
peri -9.731216075053136E-15 2.121724656321392E-13 1.640779607434614E-9 -1.704630109298678E-8 1.742100282335072E-8 -6.1764322836547E-11
i -2.187123150302616E-16 6.731802364290399E-16 5.535966460868216E-13 6.196254373843518E-11 -6.1764322836547E-11 2.136567324320567E-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 16.63   n/a E2021B55  

150166 (1997 WS1)          Discovered 1997-Nov-21 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1969-Apr-10 05:18 00:01 Eunom 0.0470538141009618 0.0470441216983674 0.0470635070795396 4.55114116868614 4.55114110313522 2440321.720572236 1.12563376973858 548.638211619825 39.1263328845387 -28.3998276412905 86237.6559300252 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 19:17:24 2021-Apr-13 19:17
2017-Mar-23 00:17 < 00:01 Hygie 0.0392751131658855 0.0392735480339265 0.039276678298062 4.6778419730829 4.67784176278282 2457835.511581614 0.790868408167902 78.4438568135831 67.1664198089213 -12.653224352546 75451.152827581 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 19:17:24 2021-Apr-13 19:17
2089-Aug-20 03:06 00:03 Eunom 0.0434891680617709 0.0434631782445403 0.0435151639834381 4.59755536511457 4.5975552949067 2484283.628843334 2.93579799582676 1528.84919963418 41.0703763786282 -32.1082640807939 84205.8067051239 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 19:17:24 2021-Apr-13 19:17

Alternate Designations
 1997 WS1 = 2001 SW34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-13 17:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin