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243327 (2008 SQ195)
Classification: Main-belt Asteroid          SPK-ID: 2243327
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2065290432580058 9.7273e-08  
a 2.565872417583987 3.5598e-08 au
q 2.03594524205826 2.6046e-07 au
i 5.662776841811315 1.7971e-05 deg
node 39.33515963818693 0.00010931 deg
peri 38.94827583220963 0.00013227 deg
M 266.4043922119955 7.6909e-05 deg
tp 2459390.804880871289
(2021-Jun-25.30488087)
0.00032635 TDB
period 1501.243065079728
4.11
3.1242e-05
8.554e-08
d
yr
n .2398012742732512 4.9904e-09 deg/d
Q 3.095799593109714 4.2951e-08 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      5850 days (16.02 yr)  
   first obs. used      2002-04-06  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64789  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:32:34  

Additional Information
 Earth MOID = 1.05482 au 
 Jupiter MOID = 2.19036 au 
 T_jup = 3.395 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO440238  
diameter diameter 2.355 km 0.530 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243327 (2008 SQ195)          Discovered 2008-Sep-25 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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