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101176 (1998 SE7)
Classification: Main-belt Asteroid          SPK-ID: 2101176
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1976098566824286 3.14e-08  
a 2.374236547418314 8.3952e-09 au
q 1.905064003552797 7.1984e-08 au
i .4508405490519868 4.139e-06 deg
node 201.4236943992039 0.0004354 deg
peri 61.14568668481203 0.00043556 deg
M 98.00331820988241 1.2669e-05 deg
tp 2458836.733513522405
(2019-Dec-19.23351352)		 4.6007e-05 TDB
period 1336.239808242829
3.66		 7.0874e-06
1.94e-08		 d
yr
n .2694127190189044 1.429e-09 deg/d
Q 2.843409091283831 1.0054e-08 au
   Orbit Determination Parameters
   # obs. used (total)      857  
   data-arc span      9678 days (26.50 yr)  
   first obs. used      1994-07-08  
   last obs. used      2021-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54594  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:27:25  

Additional Information
 Earth MOID = .887796 au 
 Jupiter MOID = 2.23059 au 
 T_jup = 3.516 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457351.5 (2015-Nov-25.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1969895778527507 3.143e-08  
q 1.907099790497639 7.1998e-08 au
tp 2457499.902461213040
(2016-Apr-21.40246121)		 4.2986e-05 TDB
node 201.433764346383 0.0004357 deg
peri 61.18251375501456 0.00043586 deg
i .4503437191605119 4.1392e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      857  
   data-arc span      9678 days (26.50 yr)  
   first obs. used      1994-07-08  
   last obs. used      2021-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54594  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:27:25  

Additional Information
 Jupiter MOID = 2.23059 au 
 T_jup = 3.516 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.878379374335646E-16 -2.254632658343084E-15 1.609706797624973E-13 2.483816110343749E-15 1.171445992015724E-14 -4.819440957893187E-17
q -2.254632658343084E-15 5.183656712797752E-15 -2.704015932101876E-13 -6.017636964370383E-15 -2.799661976847906E-15 1.085331267188791E-16
tp 1.609706797624973E-13 -2.704015932101876E-13 1.847759004715289E-9 -7.949867731422323E-12 5.085032585702274E-10 -1.704369071151122E-13
node 2.483816110343749E-15 -6.017636964370383E-15 -7.949867731422323E-12 1.898373922464666E-7 -1.898331711932153E-7 -3.62273481765934E-10
peri 1.171445992015724E-14 -2.799661976847906E-15 5.085032585702274E-10 -1.898331711932153E-7 1.899726929377824E-7 3.622198396764486E-10
i -4.819440957893187E-17 1.085331267188791E-16 -1.704369071151122E-13 -3.62273481765934E-10 3.622198396764486E-10 1.713308096485548E-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 16.27   n/a E2021B55  

101176 (1998 SE7)          Discovered 1998-Sep-20 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 SE7 = 1994 NA3 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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