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43854 (1993 TO31)
Classification: Main-belt Asteroid          SPK-ID: 2043854
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2058689364008512 3.1432e-08  
a 2.364956504945753 1.0314e-08 au
q 1.878085424638296 7.513e-08 au
i 8.034403985974112 4.3006e-06 deg
node 47.75416081381663 2.6054e-05 deg
peri 267.1457133666611 2.8876e-05 deg
M 217.7181956965108 1.5622e-05 deg
tp 2459725.525052181676
(2022-May-26.02505218)
5.9517e-05 TDB
period 1328.413142570532
3.64
8.6899e-06
2.379e-08
d
yr
n .2710000288791075 1.7728e-09 deg/d
Q 2.851827585253209 1.2437e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1620  
   data-arc span      10028 days (27.46 yr)  
   first obs. used      1993-10-09  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5078  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:27:27  

Additional Information
 Earth MOID = .883624 au 
 Jupiter MOID = 2.48026 au 
 T_jup = 3.507 
[ 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 14.38   n/a MPCxxxxx  
diameter diameter 3.579 km 0.126 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.457   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43854 (1993 TO31)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 TO31 = 2000 SB357 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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