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JPL Small-Body Database Browser
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100253 (1994 SB2)
Classification: Main-belt Asteroid          SPK-ID: 2100253
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2411570691867655 5.6871e-08  
a 3.107914177534636 1.8766e-08 au
q 2.358418703196386 1.7766e-07 au
i 2.318970764430584 5.3509e-06 deg
node 72.34383656564258 0.00015893 deg
peri 258.9354084083377 0.00015936 deg
M 263.6301869716312 1.2781e-05 deg
tp 2459536.223218008342
(2021-Nov-17.72321801)
7.3502e-05 TDB
period 2001.252803367276
5.48
1.8126e-05
4.963e-08
d
yr
n .1798873182809637 1.6293e-09 deg/d
Q 3.857409651872885 2.3292e-08 au
  Orbit Determination Parameters
   # obs. used (total)      423  
   data-arc span      8930 days (24.45 yr)  
   first obs. used      1994-09-27  
   last obs. used      2019-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5769  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:10:54  

Additional Information
 Earth MOID = 1.34918 au 
 Jupiter MOID = 1.52225 au 
 T_jup = 3.173 
[ 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 15.4   n/a MPO432531  
diameter diameter 3.365 km 0.918 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.108   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100253 (1994 SB2)          Discovered 1994-Sep-27 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1994 SB2 = 2004 JS17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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