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190839 (2001 SE104)
Classification: Main-belt Asteroid          SPK-ID: 2190839
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1789126034096564 6.0887e-08  
a 2.34814728271813 1.1666e-08 au
q 1.928034139177718 1.3991e-07 au
i 2.812851422658568 8.2263e-06 deg
node 335.7861840539712 0.00012845 deg
peri 311.2735548893889 0.00013093 deg
M 230.6432459641358 2.8181e-05 deg
tp 2459868.751162679106
(2022-Oct-16.25116268)
0.00010434 TDB
period 1314.275546194848
3.60
9.7947e-06
2.682e-08
d
yr
n .2739151626478092 2.0414e-09 deg/d
Q 2.768260426258541 1.3754e-08 au
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      7616 days (20.85 yr)  
   first obs. used      2000-03-03  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56425  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:20  

Additional Information
 Earth MOID = .912788 au 
 Jupiter MOID = 2.39713 au 
 T_jup = 3.536 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457172.5 (2015-May-30.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1790819537057981 6.0799e-08  
q 1.927159591751082 1.3976e-07 au
tp 2457241.263633383883
(2015-Aug-06.76363338)
9.7649e-05 TDB
node 335.8514273653129 0.00012841 deg
peri 311.3378622483303 0.00013089 deg
i 2.813533705933208 8.2294e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      7616 days (20.85 yr)  
   first obs. used      2000-03-03  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56425  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:20  

Additional Information
 Jupiter MOID = 2.39713 au 
 T_jup = 3.536 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.696464231461191E-15 -8.480058260330972E-15 2.688836495760909E-12 4.663907475380821E-14 4.963806244261045E-13 -9.777224740577948E-16
q -8.480058260330972E-15 1.953404530204461E-14 -6.086833703062286E-12 -1.06038056768193E-13 -1.119476137282264E-12 2.255517896203775E-15
tp 2.688836495760909E-12 -6.086833703062286E-12 9.535274173864393E-9 8.483974136396063E-11 2.492527862250434E-9 -6.772056601564106E-12
node 4.663907475380821E-14 -1.06038056768193E-13 8.483974136396063E-11 1.648988812507943E-8 -1.644723014401058E-8 5.381550941881319E-10
peri 4.963806244261045E-13 -1.119476137282264E-12 2.492527862250434E-9 -1.644723014401058E-8 1.713193214001823E-8 -5.394470831342618E-10
i -9.777224740577948E-16 2.255517896203775E-15 -6.772056601564106E-12 5.381550941881319E-10 -5.394470831342618E-10 6.772378966883834E-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 17.43   n/a MPCxxxxx  

190839 (2001 SE104)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ 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
1985-Jul-06 16:14 < 00:01 Hebe 0.0431506188603409 0.0431461369953375 0.0431551010642414 7.25306598374181 7.25306596387863 2446253.176550357 0.432854642345728 298.613770765685 60.6448058595224 -42.6462050624975 73828.8080354529 T 9 CATAB v2.0f-lin.ifort 2021-Apr-13 22:09:20 2021-Apr-13 22:09
2061-Jan-20 10:35 < 00:01 Hebe 0.0445454225062064 0.0445424372245593 0.0445484096172729 7.50043429597848 7.50043427737184 2473844.940693118 0.597939513068953 517.231635088755 62.1757165797209 74.7242186040598 103427.521940961 T 9 CATAB v2.0f-lin.ifort 2021-Apr-13 22:09:20 2021-Apr-13 22:09

Alternate Designations
 2001 SE104 = 2004 JA37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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