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187448 (2005 WL120)
Classification: Main-belt Asteroid          SPK-ID: 2187448
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 .2157342221832915 5.7966e-08  
a 3.048788802911237 2.6934e-08 au
q 2.391060721914053 1.9172e-07 au
i 5.652391402196648 4.0325e-06 deg
node 73.67195290419545 4.7281e-05 deg
peri 315.6718697315202 4.8546e-05 deg
M 335.8184578845378 1.345e-05 deg
tp 2459331.108346300452
(2021-Apr-26.60834630)
7.3848e-05 TDB
period 1944.417127892675
5.32
2.5767e-05
7.055e-08
d
yr
n .1851454581611105 2.4535e-09 deg/d
Q 3.70651688390842 3.2745e-08 au
  Orbit Determination Parameters
   # obs. used (total)      497  
   data-arc span      7751 days (21.22 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-11-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56897  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:55:28  

Additional Information
 Earth MOID = 1.39941 au 
 Jupiter MOID = 1.74988 au 
 T_jup = 3.194 
[ 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 15.46   n/a E2021B55  
diameter diameter 4.671 km 0.626 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.056   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

187448 (2005 WL120)          Discovered 2005-Nov-29 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
1923-May-10 08:02 00:04 Jupiter 1.74897546070892 1.74897496809295 1.74897595332628 1.63230193911438 1.30223532043573 2423549.834405995 3.95570690101784 160.201958804514 104.104599083797 -82.8569713194601 1427327.3801242 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:55:29 2021-Apr-13 21:55
1971-Jul-17 01:10 00:02 Jupiter 1.82859267270863 1.82859191303926 1.82859343237956 2.03798070091206 1.79637001444199 2441149.548312761 1.97938771090053 128.490277400614 21.3105167184031 85.8907987222763 1874287.71867276 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:55:29 2021-Apr-13 21:55
1980-Nov-23 15:34 00:02 Jupiter 1.9157011874036 1.91570020443164 1.91570217037905 1.8033868236627 1.53880116145375 2444567.148412034 1.49885478077172 196.763393283803 26.9224209933376 -74.2026740391987 2288968.01392092 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:55:29 2021-Apr-13 21:55
2019-Sep-24 02:56 < 00:01 Jupiter 1.97158474887267 1.97158426718342 1.97158523056191 2.69467993829331 2.53023118286348 2458750.622145611 0.225537967504178 55.4263754820421 12.767416283759 79.7224036196255 2752200.09815138 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:55:29 2021-Apr-13 21:55
2029-Feb-05 08:19 < 00:01 Jupiter 1.78915250195949 1.78915203439503 1.7891529695266 1.48873626153492 1.12671801924008 2462172.846468138 0.613622254122935 211.099200714318 132.924405824684 -73.2250499748694 1647010.5839366 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:55:29 2021-Apr-13 21:55
2077-Apr-13 13:53 00:03 Jupiter 1.73169920873385 1.73169879010507 1.7316996273654 1.53928015710708 1.17946066942164 2479772.078153659 2.61189342567833 205.961504139831 150.985578335512 -68.6529304833156 1355492.781978 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:55:29 2021-Apr-13 21:55
2125-Jun-17 16:32 00:05 Jupiter 1.76109571626511 1.76109453899554 1.76109689355171 1.78328048683916 1.48934971609706 2497368.188881884 4.70715476144614 347.184731926233 62.527158076269 -77.6832012491837 1554231.73773975 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:55:29 2021-Apr-13 21:55
2173-Aug-26 21:03 00:07 Jupiter 1.87436226890682 1.87435959599365 1.87436494183907 2.24349491217687 2.03211007076006 2514970.377409729 6.82487378436052 364.116623822972 13.4662256834941 87.8787668886564 1683312.41664196 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:55:29 2021-Apr-13 21:55
2183-Jan-06 13:24 00:07 Jupiter 1.86557849994381 1.86557594912142 1.86558105090025 1.69861617482824 1.4061448871892 2518390.058396398 7.40108059452029 906.903297318355 49.1826581960379 -87.0292719642872 2250183.81073304 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:55:29 2021-Apr-13 21:55
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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