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JPL Small-Body Database Browser
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379938 (2012 LW9)
Classification: Outer Main-belt Asteroid          SPK-ID: 2379938
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1850532611284786 7.568e-08  
a 3.238357804809633 6.189e-08 au
q 2.63908913232875 2.2954e-07 au
i 21.4683871191505 1.6967e-05 deg
node 196.6406635109758 1.8058e-05 deg
peri 114.414848674886 4.7481e-05 deg
M 26.5224141189093 4.1686e-05 deg
tp 2458443.681886140531
(2018-Nov-21.18188614)
0.00024532 TDB
period 2128.558913841833
5.83
6.102e-05
1.671e-07
d
yr
n .1691285111532274 4.8485e-09 deg/d
Q 3.837626477290516 7.3343e-08 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      4926 days (13.49 yr)  
   first obs. used      2006-05-04  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64745  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 12:34:32  

Additional Information
 Earth MOID = 1.70648 au 
 Jupiter MOID = 1.92045 au 
 T_jup = 3.050 
[ 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 16.5   n/a MPO455734  

379938 (2012 LW9)          Discovered 2012-Apr-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

[ 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
2028-Oct-22 15:10 00:01 Jupiter 1.9934502317994 1.99344868146002 1.99345178213935 5.93125568893481 5.85917985020877 2462067.131843281 1.12929206550403 196.118146268712 71.2338843695802 -82.3346176062982 1220005.79121204 T 11 CATAB v2.0f-lin.ifort 2019-Nov-08 12:34:35 2019-Nov-08 12:34
2040-May-20 20:54 00:02 Jupiter 1.94797765556104 1.94797614784654 1.94797916327564 5.73296176959165 5.65660743761599 2466295.370568641 2.06298522293166 340.361122387615 72.1583484057416 -88.6425312185562 1128625.10858188 T 11 CATAB v2.0f-lin.ifort 2019-Nov-08 12:34:35 2019-Nov-08 12:34
2051-Dec-29 20:13 00:03 Jupiter 1.93449584620013 1.93449425894389 1.93449743346001 5.5398930548215 5.46028492209627 2470535.342187420 3.17888027536961 502.27965997685 73.206324475156 87.443520521866 1041037.30252001 T 11 CATAB v2.0f-lin.ifort 2019-Nov-08 12:34:35 2019-Nov-08 12:34
2063-Aug-14 20:55 00:05 Jupiter 1.95055312982658 1.95055105084161 1.95055520885102 5.33789025890163 5.25590883941395 2474781.371246332 4.56151112328575 673.576030253412 74.3865751648566 83.9048575661132 952542.378462165 T 11 CATAB v2.0f-lin.ifort 2019-Nov-08 12:34:35 2019-Nov-08 12:34
2075-Apr-01 00:02 00:06 Jupiter 1.98537035817861 1.98536719762696 1.98537351883397 5.11213879896821 5.02799155834985 2479028.501068106 6.35702097512931 848.276485511373 75.5002357205269 80.2979451414195 852804.181849999 T 11 CATAB v2.0f-lin.ifort 2019-Nov-08 12:34:35 2019-Nov-08 12:34
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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