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295563 (2008 SJ68)
Classification: Main-belt Asteroid          SPK-ID: 2295563
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08479166132889308 6.3583e-08  
a 2.57397655551179 2.821e-08 au
q 2.355724807148324 1.7365e-07 au
i 11.17775080492202 4.7707e-06 deg
node 287.727602393909 3.4043e-05 deg
peri 78.78233054061477 4.3102e-05 deg
M 221.7573812839106 2.7632e-05 deg
tp 2459179.721612708837
(2020-Nov-26.22161271)
0.0001179 TDB
period 1508.361043155736
4.13
2.4797e-05
6.789e-08
d
yr
n .2386696485125482 3.9236e-09 deg/d
Q 2.792228303875257 3.0602e-08 au
  Orbit Determination Parameters
   # obs. used (total)      287  
   data-arc span      7291 days (19.96 yr)  
   first obs. used      1999-06-09  
   last obs. used      2019-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56559  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:43:22  

Additional Information
 Earth MOID = 1.38201 au 
 Jupiter MOID = 2.60984 au 
 T_jup = 3.397 
[ 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 15.9   n/a MPO288150  
diameter diameter 3.539 km 0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295563 (2008 SJ68)          Discovered 2008-Sep-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 SJ68 = 2004 VQ80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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