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101197 (1998 SH27)
Classification: Main-belt Asteroid          SPK-ID: 2101197
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .208178532076921 3.3339e-08  
a 2.407629990795339 1.0189e-08 au
q 1.906413113527194 8.4859e-08 au
i 6.006827249322109 3.4759e-06 deg
node 96.98993328920758 3.3459e-05 deg
peri 298.9824940439607 3.49e-05 deg
M 29.60384583114405 9.8447e-06 deg
tp 2459284.290745573466
(2021-Mar-10.79074557)
3.697e-05 TDB
period 1364.529859531133
3.74
8.6617e-06
2.371e-08
d
yr
n .2638271324628249 1.6747e-09 deg/d
Q 2.908846868063483 1.231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      756  
   data-arc span      10570 days (28.94 yr)  
   first obs. used      1992-01-31  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54876  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:39  

Additional Information
 Earth MOID = .921741 au 
 Jupiter MOID = 2.53054 au 
 T_jup = 3.485 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457681.5 (2016-Oct-20.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2101669490781004 3.3402e-08  
q 1.901109465626958 8.5167e-08 au
tp 2457919.515580778361
(2017-Jun-15.01558078)
3.3046e-05 TDB
node 97.01064030695569 3.3479e-05 deg
peri 298.9418755252454 3.4879e-05 deg
i 6.00689728043528 3.4753e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      756  
   data-arc span      10570 days (28.94 yr)  
   first obs. used      1992-01-31  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54876  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:39  

Additional Information
 Jupiter MOID = 2.53054 au 
 T_jup = 3.485 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.115699816321778E-15 -2.835622820370696E-15 -1.410480091084238E-13 -3.495242263075932E-15 -1.333979495300073E-14 -1.475071479442722E-15
q -2.835622820370696E-15 7.253347203582065E-15 4.104954452741409E-13 7.71225558599106E-15 4.70293507854842E-14 4.149950410069224E-15
tp -1.410480091084238E-13 4.104954452741409E-13 1.092044933355982E-9 -2.329050637956411E-11 3.34026143333316E-10 1.142702699908047E-12
node -3.495242263075932E-15 7.71225558599106E-15 -2.329050637956411E-11 1.120833424098383E-9 -1.120904831169493E-9 8.531727869043571E-12
peri -1.333979495300073E-14 4.70293507854842E-14 3.34026143333316E-10 -1.120904831169493E-9 1.216565585714781E-9 -8.208830234115095E-12
i -1.475071479442722E-15 4.149950410069224E-15 1.142702699908047E-12 8.531727869043571E-12 -8.208830234115095E-12 1.207764463709339E-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 16.07   n/a E2021B55  

101197 (1998 SH27)          Discovered 1998-Sep-25 by Pravec, P. at Ondrejov
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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