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JPL Small-Body Database Browser
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15655 (2209 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2015655
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1866374328155074 4.62e-08  
a 3.1713486121001 1.7951e-08 au
q 2.579456248574715 1.4829e-07 au
i 3.010621656824257 4.293e-06 deg
node 75.64318846137471 9.3062e-05 deg
peri 303.0397260442775 9.3636e-05 deg
M 53.46532389116212 1.0104e-05 deg
tp 2458694.138557837768
(2019-Jul-29.63855784)
5.7539e-05 TDB
period 2062.834584204861
5.65
1.7515e-05
4.795e-08
d
yr
n .1745171439128094 1.4818e-09 deg/d
Q 3.763240975625485 2.1301e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1523  
   data-arc span      18669 days (51.11 yr)  
   first obs. used      1968-10-23  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51384  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:02:13  

Additional Information
 Earth MOID = 1.58328 au 
 Jupiter MOID = 1.69995 au 
 T_jup = 3.173 
[ 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 MPO502289  
diameter diameter 9.867 km 0.291 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.114   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15655 (2209 T-1)          Discovered 1971-Mar-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2209 T-1 = 1968 UY2 = 1979 SY12 = 1985 VJ2 = 1987 BV 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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