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85750 (1998 SE141)
Classification: Main-belt Asteroid          SPK-ID: 2085750
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1729968585202672 4.5435e-08  
a 2.573451059628332 1.289e-08 au
q 2.128252110756978 1.1357e-07 au
i 13.01861408957821 4.9026e-06 deg
node 199.1265784360425 2.4241e-05 deg
peri 213.8738044132266 2.8873e-05 deg
M 65.77780499697458 1.7171e-05 deg
tp 2458724.982509968129
(2019-Aug-29.48250997)
7.1221e-05 TDB
period 1507.899152549036
4.13
1.1329e-05
3.102e-08
d
yr
n .2387427563649971 1.7937e-09 deg/d
Q 3.018650008499686 1.512e-08 au
  Orbit Determination Parameters
   # obs. used (total)      590  
   data-arc span      10158 days (27.81 yr)  
   first obs. used      1992-04-09  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60621  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:38:10  

Additional Information
 Earth MOID = 1.14961 au 
 Jupiter MOID = 2.41879 au 
 T_jup = 3.372 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456746.5 (2014-Mar-30.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1711449893071514 4.507e-08  
q 2.13387717271364 1.1233e-07 au
tp 2457214.239274056926
(2015-Jul-10.73927406)
6.9814e-05 TDB
node 199.1708823780812 2.4248e-05 deg
peri 213.3692726193657 2.9053e-05 deg
i 13.01087429874057 4.9023e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      590  
   data-arc span      10158 days (27.81 yr)  
   first obs. used      1992-04-09  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60621  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:38:10  

Additional Information
 Jupiter MOID = 2.41879 au 
 T_jup = 3.372 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.031272892964185E-15 -5.042557777683596E-15 5.458500098348582E-13 9.578492094934071E-15 1.336419870733968E-13 -3.594935444332587E-15
q -5.042557777683596E-15 1.261789279751031E-14 -1.263295310566335E-12 -2.154979846401677E-14 -3.198262493478787E-13 8.977250281116216E-15
tp 5.458500098348582E-13 -1.263295310566335E-12 4.874061682450087E-9 2.786763423153263E-11 1.150185591445191E-9 -2.136392307554706E-12
node 9.578492094934071E-15 -2.154979846401677E-14 2.786763423153263E-11 5.87979081891766E-10 -5.662621058397619E-10 -7.441443336881896E-12
peri 1.336419870733968E-13 -3.198262493478787E-13 1.150185591445191E-9 -5.662621058397619E-10 8.440960900982818E-10 6.744601128288101E-12
i -3.594935444332587E-15 8.977250281116216E-15 -2.136392307554706E-12 -7.441443336881896E-12 6.744601128288101E-12 2.403280816923192E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO449532  

85750 (1998 SE141)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 SE141 = 2002 TW183 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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