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193313 (2000 SR308)
Classification: Main-belt Asteroid          SPK-ID: 2193313
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1367622077197162 6.0204e-08  
a 2.641320353033947 1.894e-08 au
q 2.280087550258004 1.5758e-07 au
i 8.248459897697691 8.8995e-06 deg
node 304.0252879628258 5.2233e-05 deg
peri 106.288831943692 6.5468e-05 deg
M 186.0928005375829 3.8011e-05 deg
tp 2459757.934537793443
(2022-Jun-27.43453779)
0.00016754 TDB
period 1567.942180936375
4.29
1.6865e-05
4.617e-08
d
yr
n .2296003031087588 2.4696e-09 deg/d
Q 3.00255315580989 2.153e-08 au
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      6730 days (18.43 yr)  
   first obs. used      2000-09-30  
   last obs. used      2019-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5564  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:02:21  

Additional Information
 Earth MOID = 1.30745 au 
 Jupiter MOID = 2.36931 au 
 T_jup = 3.367 
[ 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 16.3   n/a MPO433276  
diameter diameter 2.776 km 0.586 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 157.002 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.076   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193313 (2000 SR308)          Discovered 2000-Sep-30 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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