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15426 (1998 SW43)
Classification: Outer Main-belt Asteroid          SPK-ID: 2015426
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1694070151083825 5.9591e-08  
a 3.968355248770179 3.6876e-08 au
q 3.29608803118634 2.3778e-07 au
i 5.256274795276343 5.7023e-06 deg
node 240.5401146010069 5.6317e-05 deg
peri 136.5743774027274 5.7786e-05 deg
M 263.8915269683991 1.531e-05 deg
tp 2459771.356286484375
(2022-Jul-10.85628648)
0.00013042 TDB
period 2887.448467141179
7.91
4.0247e-05
1.102e-07
d
yr
n .1246775497802843 1.7378e-09 deg/d
Q 4.640622466354018 4.3123e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1161  
   data-arc span      25063 days (68.62 yr)  
   first obs. used      1951-09-09  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53377  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:11:12  

Additional Information
 Earth MOID = 2.30088 au 
 Jupiter MOID = .898449 au 
 T_jup = 3.025 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456694.5 (2014-Feb-06.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1756115302446054 5.8618e-08  
q 3.253666139098814 2.2898e-07 au
tp 2456907.701700306905
(2014-Sep-07.20170031)
0.00010151 TDB
node 240.6390332201215 5.6366e-05 deg
peri 137.3872143701557 5.7708e-05 deg
i 5.26362405636993 5.7182e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1161  
   data-arc span      25063 days (68.62 yr)  
   first obs. used      1951-09-09  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53377  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:11:12  

Additional Information
 Jupiter MOID = .898449 au 
 T_jup = 3.025 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.436117956723131E-15 -1.328874383209774E-14 7.18327692319878E-13 -9.641555609662208E-15 3.394446242955297E-14 -3.466846685394678E-16
q -1.328874383209774E-14 5.243309266880217E-14 -1.52549901101605E-12 3.847620669342991E-14 3.103581379644353E-15 1.524801672417249E-15
tp 7.18327692319878E-13 -1.52549901101605E-12 1.03038452222404E-8 7.033948902529138E-12 1.306485907775948E-9 -1.777241311229756E-12
node -9.641555609662208E-15 3.847620669342991E-14 7.033948902529138E-12 3.177104146846554E-9 -3.162454038289047E-9 -1.169545848171066E-10
peri 3.394446242955297E-14 3.103581379644353E-15 1.306485907775948E-9 -3.162454038289047E-9 3.330239406391387E-9 1.16253357295246E-10
i -3.466846685394678E-16 1.524801672417249E-15 -1.777241311229756E-12 -1.169545848171066E-10 1.16253357295246E-10 3.269765150664859E-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 12.9   n/a MPO435844  
diameter diameter 14.142 km 0.527 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.073   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

15426 (1998 SW43)          Discovered 1998-Sep-26 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ 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
1906-Aug-09 18:18 00:02 Jupiter 1.63638098400898 1.63638012536904 1.63638184264929 3.91482142719894 3.78028941223134 2417432.262328920 2.15500631433878 97.6967316270365 31.4133991987633 -79.0559271967669 1955450.18305267 T 25 CATAB v2.0f-lin.ifort 2020-May-20 04:11:15 2020-May-20 04:11
1929-Aug-30 21:59 00:02 Jupiter 1.71090944395399 1.71090857778806 1.71091031012069 4.39069325720235 4.27645229903858 2425854.416106848 2.13486702664304 102.162583076985 28.9948110489408 -74.7493404952523 2453949.54728311 T 25 CATAB v2.0f-lin.ifort 2020-May-20 04:11:15 2020-May-20 04:11
1952-Jul-23 05:33 00:02 Jupiter 1.76702850601278 1.76702777505816 1.7670292369678 4.63295774946395 4.52831099301586 2434216.731289922 1.99258990124384 95.451494256074 29.2715181557013 -79.2939002586146 2859412.35416184 T 25 CATAB v2.0f-lin.ifort 2020-May-20 04:11:15 2020-May-20 04:11
1975-Jun-04 04:36 00:02 Jupiter 1.76202410326847 1.76202342964988 1.76202477688695 4.37551652849811 4.26423791483383 2442567.691390667 1.60613717327802 78.15034870805 30.2422839255184 -89.4557549088089 2690171.59233919 T 25 CATAB v2.0f-lin.ifort 2020-May-20 04:11:15 2020-May-20 04:11
1998-May-26 09:25 < 00:01 Jupiter 1.69112470461784 1.69112393508575 1.69112547414984 3.7966258600427 3.66232727459391 2450959.892107089 0.86027881340454 56.7697664642102 32.5653764851139 87.5176449198069 2308956.25001009 T 25 CATAB v2.0f-lin.ifort 2020-May-20 04:11:15 2020-May-20 04:11
2021-Sep-11 05:35 < 00:01 Jupiter 1.61048411866062 1.61048333077105 1.61048490655002 3.36793026437408 3.20796955709395 2459468.732364912 0.751097181847012 59.9633174516818 31.6016190648705 -83.5953735019478 2205813.74788354 T 25 CATAB v2.0f-lin.ifort 2020-May-20 04:11:15 2020-May-20 04:11
2045-Jun-07 18:56 00:02 Jupiter 1.59132495128571 1.59132409958657 1.59132580298486 3.32972540561777 3.16583657860376 2468139.288610298 2.1096964007253 90.2669544361961 32.9317548345032 86.3050781311032 2175992.23149081 T 25 CATAB v2.0f-lin.ifort 2020-May-20 04:11:15 2020-May-20 04:11
2069-Jul-18 21:25 00:03 Jupiter 1.59296421889496 1.59296335805165 1.59296507973872 3.48049055897291 3.32420817496232 2476946.392016791 3.11468209292745 127.979522543714 32.071859341351 85.6686102884218 2183399.17294457 T 25 CATAB v2.0f-lin.ifort 2020-May-20 04:11:15 2020-May-20 04:11
2093-Oct-19 10:40 00:03 Jupiter 1.58309264777853 1.5830918541779 1.58309344137942 3.60290246678278 3.45120563592951 2485804.944502812 3.48823112698518 150.82134555272 31.3897595253892 88.3000719078719 2139201.66931279 T 25 CATAB v2.0f-lin.ifort 2020-May-20 04:11:15 2020-May-20 04:11
2117-Dec-11 22:13 00:03 Jupiter 1.55534683627948 1.55534609315492 1.55534757940422 3.59296245795676 3.43805237503654 2494623.425771337 3.33911197524963 152.067354451121 29.7194155991449 88.6836349096795 2176749.85474438 T 25 CATAB v2.0f-lin.ifort 2020-May-20 04:11:15 2020-May-20 04:11
2141-Oct-08 23:57 00:03 Jupiter 1.55783103986387 1.55783024873391 1.55783183099462 3.5990815165703 3.44469875765631 2503325.498093912 2.92588300534504 141.074904348851 29.5155464012616 85.2511040743894 2264373.9539098 T 25 CATAB v2.0f-lin.ifort 2020-May-20 04:11:15 2020-May-20 04:11
2165-Feb-24 08:53 00:03 Jupiter 1.64449825281278 1.64449729699655 1.64449920862965 3.82602387321845 3.68894698611532 2511864.869837864 2.71700566687 133.618817124107 36.6640564370616 83.0393761806533 2047491.07942417 T 25 CATAB v2.0f-lin.ifort 2020-May-20 04:11:15 2020-May-20 04:11
2188-Mar-05 02:04 00:03 Jupiter 1.74799701493818 1.74799608990277 1.74799793997439 4.1072981371915 3.98757608322412 2520274.585880307 2.8259248494495 129.135252918482 35.3317067487077 81.5152133984284 2323060.68911004 T 25 CATAB v2.0f-lin.ifort 2020-May-20 04:11:15 2020-May-20 04:11

Alternate Designations
 1998 SW43 = 1990 TW4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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