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21092 (1992 EJ6)
Classification: Main-belt Asteroid          SPK-ID: 2021092
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02921014623741956 4.4665e-08  
a 2.768117699786205 1.6153e-08 au
q 2.68726057697306 1.2634e-07 au
i 6.169426382288351 3.9353e-06 deg
node 120.0478068686895 4.5964e-05 deg
peri 275.8982583034173 8.3117e-05 deg
M 212.5230308900059 7.0212e-05 deg
tp 2459889.623338051417
(2022-Nov-06.12333805)
0.00032952 TDB
period 1682.190807118358
4.61
1.4725e-05
4.031e-08
d
yr
n .2140066385315055 1.8733e-09 deg/d
Q 2.848974822599349 1.6625e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1020  
   data-arc span      10360 days (28.36 yr)  
   first obs. used      1992-03-01  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57269  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:58:58  

Additional Information
 Earth MOID = 1.70063 au 
 Jupiter MOID = 2.27148 au 
 T_jup = 3.329 
[ 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 14.69   n/a E2021B10  
diameter diameter 5.641 km 0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21092 (1992 EJ6)          Discovered 1992-Mar-01 by UESAC at La Silla
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 EJ6 = 1998 MF44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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