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JPL Small-Body Database Browser
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91200 (1998 SM153)
Classification: Outer Main-belt Asteroid          SPK-ID: 2091200
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1436389782981049 5.9233e-08  
a 3.210666521096192 3.0794e-08 au
q 2.749489662350004 1.9984e-07 au
i 26.89297096680998 9.1358e-06 deg
node 183.1739407787375 9.6214e-06 deg
peri 48.12247992087471 2.7656e-05 deg
M 40.41148756743423 2.5633e-05 deg
tp 2458764.618672800150
(2019-Oct-08.11867280)
0.0001489 TDB
period 2101.315316597676
5.75
3.0231e-05
8.277e-08
d
yr
n .1713212658549934 2.4648e-09 deg/d
Q 3.67184337984238 3.5218e-08 au
  Orbit Determination Parameters
   # obs. used (total)      722  
   data-arc span      9717 days (26.60 yr)  
   first obs. used      1992-10-01  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52442  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:03:42  

Additional Information
 Earth MOID = 1.80178 au 
 Jupiter MOID = 1.42875 au 
 T_jup = 3.007 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456949.5 (2014-Oct-19.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1418333818495824 5.9533e-08  
q 2.755122996521367 2.0056e-07 au
tp 2456662.457422669344
(2014-Jan-04.95742267)
0.00014732 TDB
node 183.2337877171993 9.6207e-06 deg
peri 47.75523692493056 2.7868e-05 deg
i 26.89319845968016 9.1346e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      722  
   data-arc span      9717 days (26.60 yr)  
   first obs. used      1992-10-01  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52442  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:03:42  

Additional Information
 Jupiter MOID = 1.42875 au 
 T_jup = 3.007 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.544217242317475E-15 -1.184501871695709E-14 -4.921773670771503E-12 -1.580680814189986E-14 -9.321319109211045E-13 -1.702872122046226E-14
q -1.184501871695709E-14 4.02244732087858E-14 1.578573740415418E-11 5.165217836371867E-14 3.023683096128696E-12 6.240571661928263E-14
tp -4.921773670771503E-12 1.578573740415418E-11 2.170233227155668E-8 4.270660124942062E-11 3.858959416701334E-9 1.109647907500467E-11
node -1.580680814189986E-14 5.165217836371867E-14 4.270660124942062E-11 9.255773825633399E-11 -7.409178180090435E-11 -4.724671322977393E-12
peri -9.321319109211045E-13 3.023683096128696E-12 3.858959416701334E-9 -7.409178180090435E-11 7.766008891463289E-10 7.019396167276282E-12
i -1.702872122046226E-14 6.240571661928263E-14 1.109647907500467E-11 -4.724671322977393E-12 7.019396167276282E-12 8.344177077133157E-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 14.0   n/a MPO351484  
diameter diameter 8.283 km 0.371 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91200 (1998 SM153)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1998 SM153 = 2002 JL10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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