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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1867843848726761 4.3433e-08  
a 3.171752278518827 1.6164e-08 au
q 2.579318480207179 1.3724e-07 au
i 3.010377131164505 3.852e-06 deg
node 75.63954015045091 8.4469e-05 deg
peri 303.0650443070799 8.5039e-05 deg
M 88.32778392408395 9.849e-06 deg
tp 2458694.276675817165
(2019-Jul-29.77667582)
5.5684e-05 TDB
period 2063.228449866383
5.65
1.5772e-05
4.318e-08
d
yr
n .1744838289833169 1.3338e-09 deg/d
Q 3.764186076830475 1.9183e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1866  
   data-arc span      19133 days (52.38 yr)  
   first obs. used      1968-10-23  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48671  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:05:12  

Additional Information
 Earth MOID = 1.58179 au 
 Jupiter MOID = 1.70015 au 
 T_jup = 3.172 
[ 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 13.52   n/a E2021B10  
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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