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JPL Small-Body Database Browser
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173947 (2001 WZ76)
Classification: Main-belt Asteroid          SPK-ID: 2173947
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1317598656685678 4.6112e-08  
a 3.022978767609747 3.1483e-08 au
q 2.624671491270555 1.4523e-07 au
i 1.093808053169057 5.9404e-06 deg
node 247.7032660940419 0.0003257 deg
peri 56.64183570804641 0.00032675 deg
M 208.7200277361294 2.5948e-05 deg
tp 2459407.233343931590
(2021-Jul-11.73334393)
0.00014151 TDB
period 1919.778272492008
5.26
2.9991e-05
8.211e-08
d
yr
n .1875216555778051 2.9295e-09 deg/d
Q 3.42128604394894 3.5631e-08 au
  Orbit Determination Parameters
   # obs. used (total)      331  
   data-arc span      8575 days (23.48 yr)  
   first obs. used      1995-08-19  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55323  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:03:37  

Additional Information
 Earth MOID = 1.6089 au 
 Jupiter MOID = 1.80163 au 
 T_jup = 3.232 
[ 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 15.6   n/a MPO433119  

173947 (2001 WZ76)          Discovered 2001-Nov-20 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ 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
1917-Dec-20 05:07 00:05 Jupiter 1.81673733076326 1.81673642667941 1.81673823484856 2.54125301939911 2.35063849348952 2421582.713092905 4.65029989691519 133.156380595737 11.7990095084921 -89.0677294433488 1675809.24733047 T 14 CATAB v2.0e-lin.ifort 2019-Jul-13 11:03:39 2019-Jul-13 11:03
1965-Apr-04 02:34 00:02 Jupiter 1.83926782746403 1.83926711231649 1.83926854261167 2.6788035136674 2.50098882761609 2438854.607222709 2.35935361295562 86.7544447676074 13.6978803947662 -86.1635171936611 1800764.17492029 T 14 CATAB v2.0e-lin.ifort 2019-Jul-13 11:03:39 2019-Jul-13 11:03
2003-Apr-30 17:20 < 00:01 Jupiter 1.96739823457168 1.96739763698062 1.96739883216252 2.50471942963944 2.3264911113731 2452760.222479574 0.600301897261113 68.1838091224336 15.3384813955843 88.9772429388015 2296151.48713768 T 14 CATAB v2.0e-lin.ifort 2019-Jul-13 11:03:39 2019-Jul-13 11:03
2012-Jul-16 13:48 < 00:01 Jupiter 1.86249721164615 1.86249660389942 1.86249781939266 2.83107511695096 2.66560135367766 2456125.075251392 0.283777058806324 50.0892473875642 16.5054317245814 -84.1055483774802 2058297.53623214 T 14 CATAB v2.0e-lin.ifort 2019-Jul-13 11:03:39 2019-Jul-13 11:03
2050-Aug-12 00:12 00:02 Jupiter 1.92766570495528 1.92766497677252 1.92766643313793 2.38808707799851 2.19639555959565 2470030.508648441 1.77476358712427 86.7806474980988 16.4957960827067 -86.1070676452509 2075365.93786844 T 14 CATAB v2.0e-lin.ifort 2019-Jul-13 11:03:39 2019-Jul-13 11:03
2059-Oct-27 15:08 00:02 Jupiter 1.89387943416765 1.89387847998391 1.89388038835193 3.01667706772092 2.86458660821453 2473394.130549331 2.22842369279391 95.0514826115643 19.5380518286063 -76.7284268276345 1824365.16201047 T 14 CATAB v2.0e-lin.ifort 2019-Jul-13 11:03:39 2019-Jul-13 11:03
2097-Nov-23 00:58 00:04 Jupiter 1.90022705476303 1.90022583792928 1.90022827159796 2.31452250115915 2.11317729880201 2487300.540338251 4.02097805936345 131.72606757287 21.617648178617 -78.8717111745724 1892271.63142645 T 14 CATAB v2.0e-lin.ifort 2019-Jul-13 11:03:39 2019-Jul-13 11:03
2107-Feb-08 20:51 00:04 Jupiter 1.93072665361835 1.93072503221917 1.93072827502182 3.22850255945955 3.08963033172616 2490664.368456734 4.4171231755682 183.18698753237 21.7915491443565 -74.3111728769533 1863720.47062518 T 14 CATAB v2.0e-lin.ifort 2019-Jul-13 11:03:39 2019-Jul-13 11:03
2145-Mar-06 13:47 00:06 Jupiter 1.87554584976486 1.87554425107931 1.87554744845296 2.25924195188474 2.04962105306603 2504570.074459419 6.24458919727334 165.906564907154 24.6501856298966 -75.4003501564985 1881015.27402293 T 14 CATAB v2.0e-lin.ifort 2019-Jul-13 11:03:39 2019-Jul-13 11:03
2154-May-25 18:42 00:07 Jupiter 1.9654269433336 1.9654245905663 1.96542929611263 3.43738958681334 3.30964122132977 2507937.278820612 6.51764328682228 282.498493056219 23.3511344304487 -73.2986170739245 1946839.66411204 T 14 CATAB v2.0e-lin.ifort 2019-Jul-13 11:03:39 2019-Jul-13 11:03
2192-Jun-18 06:42 00:08 Jupiter 1.85233726595366 1.85233545763269 1.852339074278 2.21707743175494 2.00022192395197 2521840.779138911 8.43343017224043 182.623107263942 28.4182813062692 -71.9047694494394 1945013.00916793 T 14 CATAB v2.0e-lin.ifort 2019-Jul-13 11:03:39 2019-Jul-13 11:03

Alternate Designations
 2001 WZ76 = 1995 QA17 = 1999 GJ13 = 2000 OK9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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