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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1976098564548573 3.13e-08  
a 2.374236547458728 8.3797e-09 au
q 1.905064004125533 7.1771e-08 au
i .4508405496426454 4.139e-06 deg
node 201.423703994277 0.00043485 deg
peri 61.1456766815511 0.00043501 deg
M 98.0033185677735 1.2661e-05 deg
tp 2458836.733512184705
(2019-Dec-19.23351218)
4.5982e-05 TDB
period 1336.239808276947
3.66
7.0743e-06
1.937e-08
d
yr
n .2694127190120256 1.4263e-09 deg/d
Q 2.843409090791923 1.0036e-08 au
  Orbit Determination Parameters
   # obs. used (total)      861  
   data-arc span      9678 days (26.50 yr)  
   first obs. used      1994-07-08  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54619  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:34  

Additional Information
 Earth MOID = .887796 au 
 Jupiter MOID = 2.23059 au 
 T_jup = 3.516 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457356.5 (2015-Nov-30.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1969867401328557 3.1329e-08  
q 1.907096029415551 7.1785e-08 au
tp 2457499.905332199631
(2016-Apr-21.40533220)
4.2973e-05 TDB
node 201.4338224610353 0.00043515 deg
peri 61.18358876183676 0.00043531 deg
i .450348529906078 4.1392e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      861  
   data-arc span      9678 days (26.50 yr)  
   first obs. used      1994-07-08  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54619  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:34  

Additional Information
 Jupiter MOID = 2.23059 au 
 T_jup = 3.516 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.815138573632568E-16 -2.240714808808853E-15 1.582851755174282E-13 2.41212803207377E-15 1.152348122522978E-14 -4.773979993914218E-17
q -2.240714808808853E-15 5.153024082464326E-15 -2.6454897787242E-13 -5.835027819756191E-15 -2.418686083064072E-15 1.075514111192721E-16
tp 1.582851755174282E-13 -2.6454897787242E-13 1.846685983332974E-9 -8.096737872727896E-12 5.085617696985674E-10 -1.702903039856953E-13
node 2.41212803207377E-15 -5.835027819756191E-15 -8.096737872727896E-12 1.893565606995291E-7 -1.893523904971956E-7 -3.626385909794117E-10
peri 1.152348122522978E-14 -2.418686083064072E-15 5.085617696985674E-10 -1.893523904971956E-7 1.894919599072869E-7 3.625849392203979E-10
i -4.773979993914218E-17 1.075514111192721E-16 -1.702903039856953E-13 -3.626385909794117E-10 3.625849392203979E-10 1.713283092127273E-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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