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185697 (1997 WO9)
Classification: Main-belt Asteroid          SPK-ID: 2185697
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 .1552005976018448 4.9636e-08  
a 2.698492341083053 1.8385e-08 au
q 2.279684717122962 1.3674e-07 au
i 4.734142057125785 5.0882e-06 deg
node 82.69596714446753 6.5723e-05 deg
peri 63.4957234487092 6.8705e-05 deg
M 315.1881409874912 2.2201e-05 deg
tp 2459202.044370345549
(2020-Dec-18.54437035)
0.00010109 TDB
period 1619.124377414125
4.43
1.6547e-05
4.53e-08
d
yr
n .2223424000168225 2.2722e-09 deg/d
Q 3.117299965043144 2.1238e-08 au
  Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      8101 days (22.18 yr)  
   first obs. used      1997-11-21  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55074  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:08:38  

Additional Information
 Earth MOID = 1.29653 au 
 Jupiter MOID = 1.90498 au 
 T_jup = 3.346 
[ 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 16.5   n/a MPO454278  

185697 (1997 WO9)          Discovered 1997-Nov-21 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ 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
1903-Nov-18 12:53 00:04 Jupiter 1.93996113735914 1.93996003867472 1.93996223604862 2.24333783098812 2.03944307166242 2416437.036938227 3.518810376759 213.659736240721 9.68263525309594 -88.4010495772425 1599041.71030446 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 20:08:53 2020-Feb-24 20:08
1939-Apr-04 16:53 00:02 Jupiter 1.91717400510548 1.91717335821131 1.91717465200107 2.10218466457514 1.88030972816877 2429358.203603137 2.39156858667518 162.062887716043 16.5601063877458 -87.0511960348527 1734950.98823703 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 20:08:53 2020-Feb-24 20:08
1974-Aug-23 19:53 00:01 Jupiter 1.9073516979833 1.90735121268295 1.90735218328355 2.02483876338033 1.79215121110414 2442283.328549899 1.30241664118879 105.40627341006 19.5013805630603 89.6329589149046 1878513.33361276 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 20:08:53 2020-Feb-24 20:08
2010-Jan-10 21:51 < 00:01 Jupiter 1.90480823738265 1.90480779908167 1.90480867568341 1.98719395493498 1.74916774669711 2455207.410608824 0.299547187742066 65.1233655427508 18.5156421098733 80.5578297834933 2028319.43510757 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 20:08:53 2020-Feb-24 20:08
2045-May-30 15:19 < 00:01 Jupiter 1.92430527014135 1.92430482984791 1.92430571043447 2.02822408075926 1.79815233359851 2468131.138239400 0.8855854258286 76.5685534678665 17.9942505562573 85.7284745579809 2166723.2197481 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 20:08:53 2020-Feb-24 20:08
2080-Oct-15 23:49 00:02 Jupiter 1.94116539380165 1.9411647754781 1.94116601212575 2.08209901965785 1.86076368276454 2481053.492281595 1.93414727298743 117.070264625017 16.8404566889233 89.8014559100999 2207836.90167706 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 20:08:53 2020-Feb-24 20:08
2116-Feb-29 12:23 00:03 Jupiter 1.98525161998924 1.98525055635538 1.98525268362513 2.23072010995238 2.03046723342766 2493972.015923788 2.98276443449664 147.08108240217 15.0093129866271 -85.8638390532849 2150863.45111636 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 20:08:53 2020-Feb-24 20:08

Alternate Designations
 1997 WO9 = 2003 BO69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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