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118103 (2279 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2118103
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07324755991013197 4.423e-08  
a 3.046447130139677 2.3715e-08 au
q 2.823302311461722 1.3305e-07 au
i 8.808407573753176 5.038e-06 deg
node 216.0811517225821 2.6247e-05 deg
peri 167.2782824838095 4.0575e-05 deg
M 42.36433301341907 2.9331e-05 deg
tp 2458971.947083473470
(2020-May-02.44708347)
0.00015891 TDB
period 1942.177395392687
5.32
2.2678e-05
6.209e-08
d
yr
n .185358969193034 2.1644e-09 deg/d
Q 3.269591948817633 2.5452e-08 au
  Orbit Determination Parameters
   # obs. used (total)      557  
   data-arc span      15810 days (43.29 yr)  
   first obs. used      1977-10-07  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51902  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:55:43  

Additional Information
 Earth MOID = 1.82662 au 
 Jupiter MOID = 2.14366 au 
 T_jup = 3.216 
[ 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 15.0   n/a MPO449689  
diameter diameter 3.361 km 0.733 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.171   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118103 (2279 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2279 T-3 = 2004 XR8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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