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JPL Small-Body Database Browser
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46472 (2155 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2046472
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1167312673207658 4.0587e-08  
a 3.128869777761342 2.0774e-08 au
q 2.763632843321618 1.3015e-07 au
i 1.722292036761647 4.476e-06 deg
node 71.08454569627514 0.00018472 deg
peri 41.28701175172972 0.00018631 deg
M 298.4219493884252 2.4532e-05 deg
tp 2458946.282567660439
(2020-Apr-06.78256766)
0.00013882 TDB
period 2021.527526796363
5.53
2.0132e-05
5.512e-08
d
yr
n .1780831550537992 1.7735e-09 deg/d
Q 3.494106712201067 2.3199e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1098  
   data-arc span      17753 days (48.61 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56916  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:27:21  

Additional Information
 Earth MOID = 1.78077 au 
 Jupiter MOID = 1.6057 au 
 T_jup = 3.203 
[ 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 14.1   n/a MPO337630  
diameter diameter 7.526 km 0.184 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46472 (2155 T-1)          Discovered 1971-Mar-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
 2155 T-1 = 1999 GE27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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