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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1166409405140272 3.7238e-08  
a 3.128774375086089 1.814e-08 au
q 2.76383118931986 1.174e-07 au
i 1.722050678081857 4.1888e-06 deg
node 71.07839618117291 0.00017491 deg
peri 41.06828483656355 0.00017646 deg
M 45.44810445995097 2.3094e-05 deg
tp 2458945.304466103764
(2020-Apr-05.80446610)
0.00012916 TDB
period 2021.435069610035
5.53
1.758e-05
4.813e-08
d
yr
n .178091300290664 1.5488e-09 deg/d
Q 3.493717560852318 2.0256e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1254  
   data-arc span      18262 days (50.00 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54614  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:38:58  

Additional Information
 Earth MOID = 1.78061 au 
 Jupiter MOID = 1.60499 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 14.16   n/a MPCxxxxx  
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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