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118074 (5078 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2118074
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1465087283312194 3.9786e-08  
a 2.771028346872939 1.5235e-08 au
q 2.365048507602823 1.1537e-07 au
i 8.86140823297397 5.3141e-06 deg
node 294.6575950490408 3.2676e-05 deg
peri 111.1398111845853 3.9599e-05 deg
M 12.76785140712983 2.107e-05 deg
tp 2458940.744869584932
(2020-Apr-01.24486958)
9.8515e-05 TDB
period 1684.844713763821
4.61
1.3894e-05
3.804e-08
d
yr
n .2136695429905739 1.7621e-09 deg/d
Q 3.177008186143054 1.7467e-08 au
  Orbit Determination Parameters
   # obs. used (total)      585  
   data-arc span      16928 days (46.35 yr)  
   first obs. used      1973-09-20  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53375  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:53:43  

Additional Information
 Earth MOID = 1.39243 au 
 Jupiter MOID = 2.234 au 
 T_jup = 3.304 
[ 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 15.1   n/a MPO493674  
diameter diameter 3.481 km 0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.175   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118074 (5078 T-2)          Discovered 1973-Sep-25 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
 5078 T-2 = 2001 TR20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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