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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1730493792354202 3.2853e-08  
a 2.24058193985295 7.8022e-09 au
q 1.852850626035303 7.5677e-08 au
i 5.293341720245664 3.0118e-06 deg
node 113.65160525 4.0998e-05 deg
peri 292.5670638752108 4.1985e-05 deg
M 243.8533103374819 9.7912e-06 deg
tp 2459395.724636762953
(2021-Jun-30.22463676)
3.4201e-05 TDB
period 1225.010111334915
3.35
6.3986e-06
1.752e-08
d
yr
n .293875125330763 1.535e-09 deg/d
Q 2.628313253670596 9.1523e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1917  
   data-arc span      23950 days (65.57 yr)  
   first obs. used      1955-03-23  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49602  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:21:15  

Additional Information
 Earth MOID = .870329 au 
 Jupiter MOID = 2.75513 au 
 T_jup = 3.609 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456909.5 (2014-Sep-09.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1729031417451602 3.2827e-08  
q 1.852319972191039 7.5552e-08 au
tp 2456947.557237135253
(2014-Oct-17.05723714)
3.0815e-05 TDB
node 113.69575585273 4.0994e-05 deg
peri 292.6914723783588 4.1985e-05 deg
i 5.293843042570378 3.0124e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1917  
   data-arc span      23950 days (65.57 yr)  
   first obs. used      1955-03-23  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49602  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:21:15  

Additional Information
 Jupiter MOID = 2.75513 au 
 T_jup = 3.609 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.077596069552476E-15 -2.471688119275911E-15 -1.33354969194299E-13 -6.651848085428668E-15 -4.006453970780259E-14 -5.667155695288482E-16
q -2.471688119275911E-15 5.70809173370803E-15 3.121250803296178E-13 1.522019227802045E-14 9.25725305958156E-14 1.413535451373207E-15
tp -1.33354969194299E-13 3.121250803296178E-13 9.495598330504757E-10 -3.946534790852819E-12 2.949598415315228E-10 -1.843457601010159E-13
node -6.651848085428668E-15 1.522019227802045E-14 -3.946534790852819E-12 1.680521366288656E-9 -1.673966407097209E-9 3.599366288144304E-12
peri -4.006453970780259E-14 9.25725305958156E-14 2.949598415315228E-10 -1.673966407097209E-9 1.762733267583265E-9 -3.622182640579274E-12
i -5.667155695288482E-16 1.413535451373207E-15 -1.843457601010159E-13 3.599366288144304E-12 -3.622182640579274E-12 9.074386652157723E-12

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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