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295595 (2008 SE146)
Classification: Main-belt Asteroid          SPK-ID: 2295595
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07663681312908577 9.2004e-08  
a 2.382481342793677 2.3979e-08 au
q 2.199895565342465 2.0789e-07 au
i 5.590491667614893 5.1801e-06 deg
node 281.069422384759 8.8052e-05 deg
peri 295.2635895667169 9.796e-05 deg
M 208.741468396387 4.018e-05 deg
tp 2459564.864995076956
(2021-Dec-16.36499508)
0.00014759 TDB
period 1343.206205122589
3.68
2.0279e-05
5.552e-08
d
yr
n .2680154384539523 4.0463e-09 deg/d
Q 2.56506712024489 2.5817e-08 au
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      8072 days (22.10 yr)  
   first obs. used      1997-10-21  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66739  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 20:55:37  

Additional Information
 Earth MOID = 1.19886 au 
 Jupiter MOID = 2.43445 au 
 T_jup = 3.527 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457310.5 (2015-Oct-15.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07638987454394089 9.1861e-08  
q 2.200775392874988 2.0745e-07 au
tp 2456880.136971347975
(2014-Aug-10.63697135)
0.00016461 TDB
node 281.1208493891552 8.8135e-05 deg
peri 295.6916296803735 9.8284e-05 deg
i 5.587304916990034 5.1775e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      8072 days (22.10 yr)  
   first obs. used      1997-10-21  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66739  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 20:55:37  

Additional Information
 Jupiter MOID = 2.43445 au 
 T_jup = 3.527 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.438513670876444E-15 -1.897914541217213E-14 -8.601385605790119E-12 1.841071247164257E-14 -2.27107901456057E-12 2.758034964193717E-17
q -1.897914541217213E-14 4.303348314691287E-14 1.871678723877038E-11 -3.887041540329037E-14 4.957927353461556E-12 4.320752871883755E-16
tp -8.601385605790119E-12 1.871678723877038E-11 2.709657917848103E-8 -3.217891843880967E-11 7.252038613598091E-9 -3.255708237343221E-13
node 1.841071247164257E-14 -3.887041540329037E-14 -3.217891843880967E-11 7.767865627612466E-9 -7.740821687217824E-9 -3.139917686273417E-11
peri -2.27107901456057E-12 4.957927353461556E-12 7.252038613598091E-9 -7.740821687217824E-9 9.659798631166525E-9 3.121345666856603E-11
i 2.758034964193717E-17 4.320752871883755E-16 -3.255708237343221E-13 -3.139917686273417E-11 3.121345666856603E-11 2.680671187710507E-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 17.1   n/a MPO440401  

295595 (2008 SE146)          Discovered 2008-Sep-23 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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