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295234 (2008 GW18)
Classification: Main-belt Asteroid          SPK-ID: 2295234
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2353092329782584 4.7522e-08  
a 3.122073346936031 4.1349e-08 au
q 2.38742066236665 1.6356e-07 au
i 7.902639535711701 6.2775e-06 deg
node 93.85143214928065 6.6367e-05 deg
peri 192.2810992449085 6.9436e-05 deg
M 18.60666981291194 2.1639e-05 deg
tp 2458896.357204899660
(2020-Feb-16.85720490)
0.00012 TDB
period 2014.944458793246
5.52
4.0029e-05
1.096e-07
d
yr
n .1786649743266892 3.5494e-09 deg/d
Q 3.856726031505413 5.1079e-08 au
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      8062 days (22.07 yr)  
   first obs. used      1997-05-03  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52819  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:38:31  

Additional Information
 Earth MOID = 1.37169 au 
 Jupiter MOID = 1.3256 au 
 T_jup = 3.158 
[ 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 15.6   n/a MPO476295  

295234 (2008 GW18)          Discovered 2008-Apr-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ 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
1905-Jun-11 16:48 00:08 Jupiter 1.63475649912794 1.63475056248677 1.63476243658787 1.72402186522421 1.39139638171971 2417008.200218708 8.19853085829842 2134.42835500853 169.613450749778 85.8353097630457 713367.751749374 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 16:38:34 2020-Feb-25 16:38
1978-Jun-23 06:47 00:02 Jupiter 1.38542390981325 1.38542271712846 1.38542510252584 1.55825270235362 1.09790187677805 2443682.782688927 2.4911084797001 385.489325276791 248.990877385323 -82.3518148424344 1211623.88482053 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 16:38:34 2020-Feb-25 16:38
1988-Oct-15 05:35 00:02 Jupiter 1.55660505849893 1.55660327455792 1.55660684251736 1.66614067894922 1.29912665445795 2447449.732905135 1.97045343660143 695.910077356336 221.759050414663 -88.7395029653454 725110.69076053 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 16:38:34 2020-Feb-25 16:38
2061-Oct-16 01:53 00:03 Jupiter 1.44282107676753 1.44281936776014 1.44282278583963 1.49954704302033 1.03659122589545 2474113.578431283 2.92936586245615 609.011526818251 257.034205441526 -84.2994109310781 1377035.03827039 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 16:38:34 2020-Feb-25 16:38
2072-Feb-20 12:47 00:04 Jupiter 1.48196286519536 1.48196045321035 1.48196527722654 1.65821460916176 1.26750413359101 2477893.032870828 4.0058527151439 552.73757697654 221.6213682333 -81.2282024000652 776173.641548145 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 16:38:34 2020-Feb-25 16:38
2145-Feb-18 12:06 00:09 Jupiter 1.52450983202306 1.52450437885001 1.52451528570004 1.40987459597871 0.936237154555268 2504554.004501807 8.50233532372925 1792.93861193279 336.690659947943 -79.4931265905758 1401604.38160548 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 16:38:34 2020-Feb-25 16:38
2155-Jun-25 10:55 00:09 Jupiter 1.42770668776196 1.42770236104249 1.4277110145091 1.65431980566225 1.24508002018827 2508332.954626753 9.16612061829557 495.548598090592 212.994978442027 -82.0399972899152 741743.817684463 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 16:38:34 2020-Feb-25 16:38
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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