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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1436389808752185 5.6613e-08  
a 3.210666532777962 2.949e-08 au
q 2.749489664079565 1.9016e-07 au
i 26.89297172440646 8.6496e-06 deg
node 183.1739486894684 9.4184e-06 deg
peri 48.12246237896564 2.6913e-05 deg
M 40.41149745032201 2.4331e-05 deg
tp 2458764.618613826507
(2019-Oct-08.11861383)
0.00014156 TDB
period 2101.315328065893
5.75
2.8951e-05
7.926e-08
d
yr
n .171321264919984 2.3604e-09 deg/d
Q 3.671843401476361 3.3726e-08 au
  Orbit Determination Parameters
   # obs. used (total)      791  
   data-arc span      10169 days (27.84 yr)  
   first obs. used      1992-10-01  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51849  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:16:16  

Additional Information
 Earth MOID = 1.80178 au 
 Jupiter MOID = 1.42875 au 
 T_jup = 3.007 
[ show covariance matrix ]

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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