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35660 (1998 QS38)
Classification: Main-belt Asteroid          SPK-ID: 2035660
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2162635417108142 3.5236e-08  
a 3.169958296513751 2.3836e-08 au
q 2.484411888234108 1.1614e-07 au
i 13.4386245810205 6.139e-06 deg
node 321.3721650830284 1.947e-05 deg
peri 289.9648055125475 2.4468e-05 deg
M 10.93430401689569 1.4181e-05 deg
tp 2458937.886584603936
(2020-Mar-29.38658460)
8.1116e-05 TDB
period 2061.478216423547
5.64
2.3252e-05
6.366e-08
d
yr
n .1746319690074451 1.9697e-09 deg/d
Q 3.855504704793393 2.8991e-08 au
  Orbit Determination Parameters
   # obs. used (total)      900  
   data-arc span      10184 days (27.88 yr)  
   first obs. used      1992-07-30  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53304  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:31:48  

Additional Information
 Earth MOID = 1.50916 au 
 Jupiter MOID = 1.57028 au 
 T_jup = 3.124 
[ 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 13.8   n/a MPO347781  
diameter diameter 10.218 km 0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35660 (1998 QS38)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20020227/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
1967-Feb-19 01:03 00:02 Jupiter 1.89284128764147 1.89283954183164 1.89284303345379 4.16330194515423 4.05439371588369 2439540.543767788 2.27294673163318 199.338880435036 62.262289514034 75.0762285107256 1489198.50357273 T 27 CATAB v2.0f-lin.ifort 2020-Jun-23 20:31:59 2020-Jun-23 20:32
1978-Jan-06 22:35 00:02 Jupiter 1.6281985761143 1.62819764997995 1.62819950225198 2.82755788409726 2.63716557975186 2443515.440962660 1.87901876569021 363.550913936683 31.6099874858475 -89.5868366564868 1127490.29128938 T 27 CATAB v2.0f-lin.ifort 2020-Jun-23 20:31:59 2020-Jun-23 20:32
1988-Aug-16 02:34 00:02 Jupiter 1.62485555790121 1.6248545781878 1.62485653761473 0.219204456565736 n/a 2447389.607220672 1.98048176239497 56.9039854094558 33.2920344334563 39.2159923777349 5678113.99209982 F 27 CATAB v2.0f-lin.ifort 2020-Jun-23 20:31:59 2020-Jun-23 20:32
1999-Mar-06 10:02 < 00:01 Jupiter 1.75654857182519 1.75654784728347 1.756549296367 3.44357149532873 3.30057082919055 2451243.917788525 0.711442777952523 303.782884855956 26.207926406774 87.6936687461674 1469280.44448357 T 27 CATAB v2.0f-lin.ifort 2020-Jun-23 20:31:59 2020-Jun-23 20:32
2097-Mar-10 05:15 00:02 Jupiter 1.68857443157361 1.68857299035741 1.68857587281294 3.61918740682365 3.47782657868565 2487042.718445851 2.43072607396209 455.40317865044 43.5078011543317 84.7529034927998 1548618.03384714 T 27 CATAB v2.0f-lin.ifort 2020-Jun-23 20:31:59 2020-Jun-23 20:32
2108-Jan-27 13:52 00:03 Jupiter 1.57354699991881 1.57354601005216 1.57354798979253 2.361182475055 2.12099159547644 2491017.077908107 3.43893307630768 430.922866588703 72.9029704620557 -76.2157521373405 818256.205621057 T 27 CATAB v2.0f-lin.ifort 2020-Jun-23 20:31:59 2020-Jun-23 20:32
2118-Jun-30 10:49 00:05 Jupiter 1.71634427657376 1.71634281362794 1.71634574550926 1.57865786378883 1.22684674767704 2494823.950497520 5.37447883234835 6801.15717580444 125.95022383346 78.5397776863339 1559441.63729255 T 27 CATAB v2.0f-lin.ifort 2020-Jun-23 20:31:59 2020-Jun-23 20:32
2129-Mar-07 23:34 00:04 Jupiter 1.93393125006402 1.93392889646165 1.93393360368386 4.56228650260515 4.46525462304505 2498727.481691286 4.41228046901354 377.55656886449 53.5011663660832 76.9903533509208 785489.748355729 T 27 CATAB v2.0f-lin.ifort 2020-Jun-23 20:31:59 2020-Jun-23 20:32

Alternate Designations
 1998 QS38 = 1999 XT128 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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