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JPL Small-Body Database Browser
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295637 (2008 SE254)
Classification: Main-belt Asteroid          SPK-ID: 2295637
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09975229737023747 4.0014e-08  
a 2.306656396951956 2.2431e-08 au
q 2.076562122112244 8.9363e-08 au
i 3.110833084123486 6.2109e-06 deg
node 141.2771306148315 0.00013765 deg
peri 331.0739735220313 0.0001485 deg
M 283.1165215574808 5.948e-05 deg
tp 2458873.777143381767
(2020-Jan-25.27714338)
0.00021403 TDB
period 1279.59574163893
3.50
1.8665e-05
5.11e-08
d
yr
n .2813388543626328 4.1038e-09 deg/d
Q 2.536750671791668 2.4669e-08 au
  Orbit Determination Parameters
   # obs. used (total)      215  
   data-arc span      6134 days (16.79 yr)  
   first obs. used      2001-10-20  
   last obs. used      2018-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59305  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 10:41:48  

Additional Information
 Earth MOID = 1.09398 au 
 Jupiter MOID = 2.53647 au 
 T_jup = 3.579 
[ 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 17.1   n/a MPO455185  
diameter diameter 2.106 km 0.363 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295637 (2008 SE254)          Discovered 2008-Sep-22 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 SE254 = 2006 AW15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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