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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1310890618083452 4.0485e-08  
a 3.184238684687028 1.9845e-08 au
q 2.766819822937566 1.2872e-07 au
i 6.949213907340108 4.7597e-06 deg
node 259.7192326731686 4.0216e-05 deg
peri 28.63644625742426 4.5198e-05 deg
M 152.0313867791776 2.2344e-05 deg
tp 2458124.028892328365
(2018-Jan-05.52889233)
0.00012668 TDB
period 2075.42406503263
5.68
1.9402e-05
5.312e-08
d
yr
n .1734585264117288 1.6216e-09 deg/d
Q 3.601657546436489 2.2447e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1412  
   data-arc span      16936 days (46.37 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53977  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:28:54  

Additional Information
 Earth MOID = 1.75296 au 
 Jupiter MOID = 1.55954 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 13.5   n/a MPO365796  
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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