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192288 (1981 EF34)
Classification: Main-belt Asteroid          SPK-ID: 2192288
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1498057748727865 3.3096e-08  
a 2.559167598782842 1.5188e-08 au
q 2.17578951361785 8.7667e-08 au
i 2.956146325500866 4.3723e-06 deg
node 283.4483026346162 0.00010576 deg
peri 217.9261107902117 0.00010808 deg
M 283.4742656889831 2.4941e-05 deg
tp 2459518.371451158812
(2021-Oct-30.87145116)
0.00010509 TDB
period 1495.36261817612
4.09
1.3312e-05
3.645e-08
d
yr
n .2407442821053589 2.1431e-09 deg/d
Q 2.942545683947834 1.7463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      478  
   data-arc span      14573 days (39.90 yr)  
   first obs. used      1981-02-12  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56206  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:15:29  

Additional Information
 Earth MOID = 1.18955 au 
 Jupiter MOID = 2.08579 au 
 T_jup = 3.418 
[ 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 16.15   n/a MPCxxxxx  
diameter diameter 3.381 km 0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

192288 (1981 EF34)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 1981 EF34 = 2000 WZ149 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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