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181742 (1995 WL15)
Classification: Main-belt Asteroid          SPK-ID: 2181742
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1553411299080124 6.5138e-08  
a 3.056339196992673 2.958e-08 au
q 2.581564012749684 1.9778e-07 au
i 3.29248107260632 7.2028e-06 deg
node 224.0118395471837 0.00011042 deg
peri 175.7439733589923 0.00011321 deg
M 249.2027305629266 2.8267e-05 deg
tp 2459801.158061828680
(2022-Aug-09.65806183)
0.00015986 TDB
period 1951.644687246874
5.34
2.8333e-05
7.757e-08
d
yr
n .1844598057999179 2.6778e-09 deg/d
Q 3.531114381235663 3.4175e-08 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      9006 days (24.66 yr)  
   first obs. used      1995-11-17  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5447  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:50  

Additional Information
 Earth MOID = 1.58854 au 
 Jupiter MOID = 1.88193 au 
 T_jup = 3.214 
[ 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 16.16   n/a E2021B55  

181742 (1995 WL15)          Discovered 1995-Nov-17 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ 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
1924-Apr-10 17:48 00:04 Jupiter 1.90931370152748 1.90931271155147 1.90931469150523 2.53810792347476 2.35684926500659 2423886.241883724 4.20086493585709 141.234974919722 17.8583612563443 -85.4710854220031 1737516.54789656 T 9 CATAB v2.0f-lin.ifort 2021-Apr-13 21:31:52 2021-Apr-13 21:31
1982-Aug-14 17:24 00:02 Jupiter 1.90676322906838 1.90676261865193 1.9067638394845 2.35245256619497 2.15536375569723 2445196.224994658 1.55278850931686 98.9337784094917 19.1429759015277 89.0267714741747 1731304.04044058 T 9 CATAB v2.0f-lin.ifort 2021-Apr-13 21:31:52 2021-Apr-13 21:31
2031-May-20 19:06 < 00:01 Jupiter 1.91447494764873 1.91447429511367 1.91447560018357 2.61076785522446 2.43541523627383 2463007.295822433 0.824758328374475 68.3112586619824 19.4907002864242 89.609606744767 1891574.8329088 T 9 CATAB v2.0f-lin.ifort 2021-Apr-13 21:31:52 2021-Apr-13 21:31
2089-Sep-22 14:38 00:03 Jupiter 1.88852097681091 1.8885202037561 1.88852174986689 2.35872042988248 2.16021757755197 2484317.109770563 3.42258654025445 151.34815379969 21.4449326306929 83.4385202232746 1756780.35186054 T 9 CATAB v2.0f-lin.ifort 2021-Apr-13 21:31:52 2021-Apr-13 21:31
2138-Jul-01 07:20 00:06 Jupiter 1.93009740033982 1.93009659214537 1.93009820853427 2.71332367391084 2.5464536357377 2502129.805590827 5.72396538159733 82.3134443254351 17.3741436929762 -85.1144906586448 1524663.1511479 T 9 CATAB v2.0f-lin.ifort 2021-Apr-13 21:31:52 2021-Apr-13 21:31
2148-Jan-29 05:20 00:06 Jupiter 1.97234474096998 1.97234306919896 1.97234641275277 2.4917976323754 2.31304050802008 2505628.722348341 6.06434140633863 288.552364163768 19.2033539832195 80.1090187428974 1831861.82306935 T 9 CATAB v2.0f-lin.ifort 2021-Apr-13 21:31:52 2021-Apr-13 21:31
2196-Nov-02 11:06 00:08 Jupiter 1.88075368982915 1.88075295306842 1.8807544265962 2.37970865824565 2.18226639542849 2523438.962525585 8.36765105229268 306.680486040312 19.9194584324015 84.9724290840566 1799834.28928782 T 9 CATAB v2.0f-lin.ifort 2021-Apr-13 21:31:52 2021-Apr-13 21:31

Alternate Designations
 1995 WL15 = 2005 ND65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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