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JPL Small-Body Database Browser
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295581 (2008 ST112)
Classification: Main-belt Asteroid          SPK-ID: 2295581
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 .1765617808477564 1.0783e-07  
a 3.018139179669227 4.4424e-08 au
q 2.485251151260441 3.4694e-07 au
i 4.279983917506686 9.5382e-06 deg
node 138.2285859408664 8.1858e-05 deg
peri 192.0691358636257 8.4423e-05 deg
M 40.10236879729289 1.6159e-05 deg
tp 2458387.158744080356
(2018-Sep-25.65874408)
8.6906e-05 TDB
period 1915.169962135913
5.24
4.2284e-05
1.158e-07
d
yr
n .1879728729655442 4.1502e-09 deg/d
Q 3.551027208078012 5.2268e-08 au
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      5477 days (15.00 yr)  
   first obs. used      2003-10-29  
   last obs. used      2018-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62758  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:13:49  

Additional Information
 Earth MOID = 1.47362 au 
 Jupiter MOID = 1.80649 au 
 T_jup = 3.219 
[ 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 15.9   n/a MPO455185  

295581 (2008 ST112)          Discovered 2008-Sep-22 by Spacewatch at Kitt Peak
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
1932-Mar-14 00:14 00:06 Jupiter 1.79147838049418 1.79147751985398 1.79147924113703 1.81423903649552 1.53161692374694 2426780.509969344 5.79978966970723 316.628219206232 72.7335087157195 -79.724234757138 1054423.04831294 T 11 CATAB v2.0e-lin.ifort 2019-Jul-14 11:13:51 2019-Jul-14 11:13
1978-Dec-16 12:46 00:02 Jupiter 1.79432664523207 1.79432586178764 1.79432742867548 1.90339084133681 1.63669937811206 2443859.032083156 2.42990411075364 137.068474048886 50.3057725504446 -73.7754112106573 1097924.00563072 T 11 CATAB v2.0e-lin.ifort 2019-Jul-14 11:13:51 2019-Jul-14 11:13
2025-Sep-15 16:41 00:01 Jupiter 1.87864696718568 1.87864620714983 1.87864772722121 2.34878769311416 2.14827066873099 2460934.195060463 1.11985484926177 102.148276799823 15.5197392510437 87.8040759875587 1613228.14522505 T 11 CATAB v2.0e-lin.ifort 2019-Jul-14 11:13:51 2019-Jul-14 11:13
2063-May-20 02:30 00:04 Jupiter 1.86432150715675 1.8643197677573 1.86432324656118 1.95790142097383 1.71017901437864 2474694.604024808 3.59293386358476 237.501030708809 52.7001052656986 89.1600967075397 965868.374133351 T 11 CATAB v2.0e-lin.ifort 2019-Jul-14 11:13:51 2019-Jul-14 11:13
2110-Feb-22 05:48 00:07 Jupiter 1.79127401781192 1.79127285512145 1.79127518051887 1.8227394896066 1.54164148995544 2491773.741752869 6.95542346569065 403.794533223083 79.4318924069944 -89.277114186668 1021314.73910696 T 11 CATAB v2.0e-lin.ifort 2019-Jul-14 11:13:51 2019-Jul-14 11:13
2156-Nov-26 08:40 00:10 Jupiter 1.81440971268879 1.81440809346969 1.81441133191935 1.99216103098037 1.74213770323472 2508852.860953127 10.463667853385 329.239321216598 33.8110714307511 -81.8339551805497 1236180.72768273 T 11 CATAB v2.0e-lin.ifort 2019-Jul-14 11:13:51 2019-Jul-14 11:13
2194-Jul-27 03:08 00:13 Jupiter 1.97506501343312 1.97505954160711 1.9750704853265 2.2392125488316 2.03871448552825 2522609.630818263 12.8522980030239 692.408218879892 14.7665648409776 -83.0972774426191 1154246.48523286 T 11 CATAB v2.0e-lin.ifort 2019-Jul-14 11:13:51 2019-Jul-14 11:13

Alternate Designations
 2008 ST112 = 2006 EX39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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