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JPL Small-Body Database Browser
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46474 (3109 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2046474
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1319557129381121 4.155e-08  
a 2.424033584100973 1.1529e-08 au
q 2.104168504325002 1.0219e-07 au
i 2.894804049393426 4.1505e-06 deg
node 246.5486703308255 9.8858e-05 deg
peri 32.33347018807671 0.00010085 deg
M 188.4788856577771 2.1907e-05 deg
tp 2459257.282336642912
(2021-Feb-11.78233664)
8.5168e-05 TDB
period 1378.498746922169
3.77
9.8348e-06
2.693e-08
d
yr
n .2611536650314604 1.8632e-09 deg/d
Q 2.743898663876944 1.3051e-08 au
  Orbit Determination Parameters
   # obs. used (total)      784  
   data-arc span      17514 days (47.95 yr)  
   first obs. used      1971-03-25  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50943  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:37:49  

Additional Information
 Earth MOID = 1.08788 au 
 Jupiter MOID = 2.36582 au 
 T_jup = 3.498 
[ 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 15.5   n/a MPO432022  
diameter diameter 2.287 km 0.311 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.308   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46474 (3109 T-1)          Discovered 1971-Mar-26 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
 3109 T-1 = 1991 TP5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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