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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0309833070846481 1.6357e-08  
a 2.292521055717716 6.4299e-09 au
q 2.221491171850393 3.8474e-08 au
i 8.516693374065445 6.3985e-07 deg
node 176.7188161160443 6.1552e-06 deg
peri 321.820340151216 3.5813e-05 deg
M 85.49069771106974 3.1818e-05 deg
tp 2458899.418003435283
(2020-Feb-19.91800344)
0.00011231 TDB
period 1267.851610354365
3.47
5.334e-06
1.46e-08
d
yr
n .2839449010120196 1.1946e-09 deg/d
Q 2.36355093958504 6.6291e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2246  
   data-arc span      17069 days (46.73 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-06-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49529  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:05:22  

Additional Information
 Earth MOID = 1.23654 au 
 Jupiter MOID = 2.61477 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 14.29   n/a E2021B10  
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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