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249294 (2008 TC118)
Classification: Outer Main-belt Asteroid          SPK-ID: 2249294
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04522242318551734 6.5366e-08  
a 3.265690773295795 4.061e-08 au
q 3.118008323152773 2.2542e-07 au
i 3.425366539779481 6.1645e-06 deg
node 31.78867793077435 0.00010201 deg
peri 304.4309214301744 0.00011646 deg
M 337.7825859168609 5.529e-05 deg
tp 2458733.530745329008
(2019-Sep-07.03074533)
0.0003306 TDB
period 2155.564465748863
5.90
4.0208e-05
1.101e-07
d
yr
n .1670096189282526 3.1153e-09 deg/d
Q 3.413373223438817 4.2447e-08 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      8357 days (22.88 yr)  
   first obs. used      1996-11-08  
   last obs. used      2019-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58397  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:45:13  

Additional Information
 Earth MOID = 2.10919 au 
 Jupiter MOID = 1.78808 au 
 T_jup = 3.173 
[ 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 15.5   n/a MPO454847  
diameter diameter 7.043 km 0.439 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.020   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249294 (2008 TC118)          Discovered 2008-Oct-06 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

Alternate Designations
 2008 TC118 = 2002 UU30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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