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27746 (1990 WE3)
Classification: Main-belt Asteroid          SPK-ID: 2027746
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .180194564240538 5.4331e-08  
a 2.450830810424911 1.1007e-08 au
q 2.00920442051311 1.3027e-07 au
i 2.979572033222468 4.8991e-06 deg
node 153.7921488207764 8.2114e-05 deg
peri 223.8099258603422 8.2803e-05 deg
M 174.5946408156792 1.259e-05 deg
tp 2457920.831985822323
(2017-Jun-16.33198582)
4.6726e-05 TDB
period 1401.420364112291
3.84
9.4407e-06
2.585e-08
d
yr
n .2568822383482609 1.7305e-09 deg/d
Q 2.892457200336712 1.299e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1050  
   data-arc span      11906 days (32.60 yr)  
   first obs. used      1986-10-01  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57566  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:28:49  

Additional Information
 Earth MOID = 1.01129 au 
 Jupiter MOID = 2.56645 au 
 T_jup = 3.471 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO319428  
diameter diameter 4.941 km 1.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.055   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

27746 (1990 WE3)          Discovered 1990-Nov-18 by Elst, E. W. at La Silla
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 WE3 = 1986 TM5 = 2000 HZ66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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