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27781 (1992 EE19)
Classification: Main-belt Asteroid          SPK-ID: 2027781
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1730493785957704 3.2971e-08  
a 2.240581939785214 7.8153e-09 au
q 1.852850627412477 7.5904e-08 au
i 5.293341699252042 3.0126e-06 deg
node 113.6516040151929 4.1269e-05 deg
peri 292.5670652208385 4.2255e-05 deg
M 243.8533102969722 9.7972e-06 deg
tp 2459395.724636882877
(2021-Jun-30.22463688)
3.4217e-05 TDB
period 1225.010111279364
3.35
6.4093e-06
1.755e-08
d
yr
n .2938751253440893 1.5376e-09 deg/d
Q 2.628313252157951 9.1677e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1897  
   data-arc span      23827 days (65.23 yr)  
   first obs. used      1955-03-23  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49775  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 19:35:41  

Additional Information
 Earth MOID = .870329 au 
 Jupiter MOID = 2.75513 au 
 T_jup = 3.609 
[ 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 14.8   n/a MPO474128  
diameter diameter 2.473 km 0.409 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.347   0.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27781 (1992 EE19)          Discovered 1992-Mar-01 by UESAC at La Silla
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 EE19 = 1984 YW4 = 1987 SP29 = 1999 GC40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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