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243559 (1993 TR37)
Classification: Main-belt Asteroid          SPK-ID: 2243559
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2599109254102031 3.5794e-08  
a 2.277799694623332 1.1694e-08 au
q 1.685774668094704 8.4461e-08 au
i 4.464427746734954 4.0644e-06 deg
node 154.5347501937674 5.9221e-05 deg
peri 172.8268695026564 6.0082e-05 deg
M 303.7841702901089 9.5914e-06 deg
tp 2459196.577538668822
(2020-Dec-13.07753867)
3.3709e-05 TDB
period 1255.659024958876
3.44
9.6694e-06
2.647e-08
d
yr
n .2867020368143258 2.2078e-09 deg/d
Q 2.869824721151961 1.4733e-08 au
  Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      9747 days (26.69 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52341  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:34:59  

Additional Information
 Earth MOID = .674477 au 
 Jupiter MOID = 2.48895 au 
 T_jup = 3.558 
[ 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 17.1   n/a MPO264589  
diameter diameter 2.121 km 0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243559 (1993 TR37)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

Alternate Designations
 1993 TR37 = 2007 XC57 = 2010 HR46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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