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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08370282999635381 6.3607e-08  
a 2.574273640548249 2.8705e-08 au
q 2.358799651649345 1.7351e-07 au
i 11.1824711121182 4.7734e-06 deg
node 287.7107487725394 3.4011e-05 deg
peri 78.69578322364363 4.3308e-05 deg
M 317.2000355034615 2.8299e-05 deg
tp 2459179.858267176989
(2020-Nov-26.35826718)
0.00011932 TDB
period 1508.622190304339
4.13
2.5233e-05
6.908e-08
d
yr
n .238628334061145 3.9913e-09 deg/d
Q 2.789747629447154 3.1108e-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 = 1.38583 au 
 Jupiter MOID = 2.61074 au 
 T_jup = 3.396 
[ 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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