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46491 (5070 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2046491
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1309784882558803 3.9948e-08  
a 3.184645916147898 1.9249e-08 au
q 2.767525808420583 1.2757e-07 au
i 6.948215918056766 4.4619e-06 deg
node 259.7162718500409 3.489e-05 deg
peri 28.71009403719746 3.9564e-05 deg
M 186.6309952120672 2.1321e-05 deg
tp 2460200.175643590768
(2023-Sep-12.67564359)
0.00012697 TDB
period 2075.822215931219
5.68
1.882e-05
5.153e-08
d
yr
n .1734252563813627 1.5723e-09 deg/d
Q 3.601766023875212 2.177e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1630  
   data-arc span      17320 days (47.42 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51998  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:49:32  

Additional Information
 Earth MOID = 1.75176 au 
 Jupiter MOID = 1.55887 au 
 T_jup = 3.174 
[ 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 13.57   n/a MPCxxxxx  
diameter diameter 8.498 km 0.256 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.128   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46491 (5070 T-2)          Discovered 1973-Sep-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 5070 T-2 = 2000 JE33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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