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15662 (4064 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2015662
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0310967512211507 3.1003e-08  
a 2.292812106551817 6.5736e-09 au
q 2.221513098877532 7.1891e-08 au
i 8.516226279512239 3.3945e-06 deg
node 176.7184950289865 1.8705e-05 deg
peri 321.9690993609562 5.561e-05 deg
M 28.55287192509409 5.0994e-05 deg
tp 2458899.923058973417
(2020-Feb-20.42305897)
0.00017974 TDB
period 1268.093061340991
3.47
5.4536e-06
1.493e-08
d
yr
n .2838908365442084 1.2209e-09 deg/d
Q 2.364111114226101 6.7781e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2147  
   data-arc span      17024 days (46.61 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49337  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:13:39  

Additional Information
 Earth MOID = 1.23674 au 
 Jupiter MOID = 2.61517 au 
 T_jup = 3.582 
[ 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 14.2   n/a MPO350927  
diameter diameter 2.423 km 0.410 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.756   0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15662 (4064 T-2)          Discovered 1973-Sep-29 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
 4064 T-2 = 1989 EM12 = 1991 XZ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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