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118125 (3278 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2118125
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09010636452090263 3.8045e-08  
a 3.029097822414209 2.4769e-08 au
q 2.756156829858282 1.2174e-07 au
i 4.110182161629807 4.7873e-06 deg
node 32.35259628860525 6.5112e-05 deg
peri 59.96697833458987 7.1871e-05 deg
M 326.311057008229 3.025e-05 deg
tp 2459180.699366240260
(2020-Nov-27.19936624)
0.00016235 TDB
period 1925.610187958088
5.27
2.3619e-05
6.467e-08
d
yr
n .1869537262792232 2.2931e-09 deg/d
Q 3.302038814970136 2.7001e-08 au
  Orbit Determination Parameters
   # obs. used (total)      638  
   data-arc span      15358 days (42.05 yr)  
   first obs. used      1977-10-11  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54223  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 13:57:41  

Additional Information
 Earth MOID = 1.7757 au 
 Jupiter MOID = 1.85868 au 
 T_jup = 3.234 
[ 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 MPO453652  
diameter diameter 5.965 km 0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118125 (3278 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
 3278 T-3 = 2004 XB64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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