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243330 (2008 TT18)
Classification: Main-belt Asteroid          SPK-ID: 2243330
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2237715854987477 6.5802e-08  
a 2.587976655690495 3.0851e-08 au
q 2.008861016212887 1.8002e-07 au
i 3.902094838648602 1.2097e-05 deg
node 23.45148456337344 8.8179e-05 deg
peri 51.33897766140763 0.00010347 deg
M 168.5480580953779 5.2029e-05 deg
tp 2457888.532431478718
(2017-May-15.03243148)
0.00020948 TDB
period 1520.683937649533
4.16
2.7192e-05
7.445e-08
d
yr
n .2367355839612794 4.2332e-09 deg/d
Q 3.167092295168104 3.7755e-08 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      6259 days (17.14 yr)  
   first obs. used      2001-02-22  
   last obs. used      2018-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .646  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:32:34  

Additional Information
 Earth MOID = 1.02637 au 
 Jupiter MOID = 2.13058 au 
 T_jup = 3.382 
[ 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 16.9   n/a MPO391274  
diameter diameter 2.601 km 0.640 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243330 (2008 TT18)          Discovered 2008-Oct-01 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

Alternate Designations
 2008 TT18 = 2004 XY129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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