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JPL Small-Body Database Browser
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27645 (2074 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2027645
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1647239305146991 5.1524e-08  
a 3.087377315049298 2.2299e-08 au
q 2.57881238873246 1.5994e-07 au
i .4903459149386708 6.4089e-06 deg
node 189.9715289002231 0.00058802 deg
peri 163.563141433691 0.00058826 deg
M 140.8799118138682 1.8634e-05 deg
tp 2457825.093280123903
(2017-Mar-12.59328012)
9.8903e-05 TDB
period 1981.449417175996
5.42
2.1467e-05
5.877e-08
d
yr
n .1816851830177324 1.9683e-09 deg/d
Q 3.595942241366137 2.5972e-08 au
  Orbit Determination Parameters
   # obs. used (total)      401  
   data-arc span      16579 days (45.39 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58135  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:04:42  

Additional Information
 Earth MOID = 1.57282 au 
 Jupiter MOID = 1.84054 au 
 T_jup = 3.205 
[ 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 15.5   n/a MPO337492  
diameter diameter 5.075 km 1.212 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.036   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27645 (2074 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2074 T-2 = 1995 WX27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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