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21095 (1992 EG11)
Classification: Main-belt Asteroid          SPK-ID: 2021095
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1563439644664918 2.8861e-08  
a 2.714447432244941 9.8338e-09 au
q 2.290059959351878 7.6374e-08 au
i 13.1215004527555 4.6688e-06 deg
node 158.5523024322202 1.2899e-05 deg
peri 106.147231062926 2.2293e-05 deg
M 112.6644905221757 1.572e-05 deg
tp 2458885.283177552768
(2020-Feb-05.78317755)
7.1611e-05 TDB
period 1633.505421522138
4.47
8.8767e-06
2.43e-08
d
yr
n .2203849434821855 1.1976e-09 deg/d
Q 3.138834905138004 1.1371e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2008  
   data-arc span      10555 days (28.90 yr)  
   first obs. used      1992-02-25  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48422  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:38:59  

Additional Information
 Earth MOID = 1.3156 au 
 Jupiter MOID = 2.10571 au 
 T_jup = 3.306 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457495.5 (2016-Apr-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1553429672850654 2.8946e-08  
q 2.294379357101848 7.6663e-08 au
tp 2457251.629903511284
(2015-Aug-17.12990351)
7.3865e-05 TDB
node 158.6083350316383 1.2908e-05 deg
peri 106.4606968159178 2.2353e-05 deg
i 13.11283206813759 4.666e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2008  
   data-arc span      10555 days (28.90 yr)  
   first obs. used      1992-02-25  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48422  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:38:59  

Additional Information
 Jupiter MOID = 2.10571 au 
 T_jup = 3.306 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.378431189052486E-16 -2.206761301285301E-15 4.532155740428023E-13 -1.949643328181637E-15 1.017291994680801E-13 -2.656221982143521E-15
q -2.206761301285301E-15 5.87713998230527E-15 -1.392304006826536E-12 5.853367983511048E-15 -3.146193252607519E-13 7.065089443964853E-15
tp 4.532155740428023E-13 -1.392304006826536E-12 5.456031173428561E-9 -1.603549304636685E-11 1.35427644252282E-9 -1.16856975196819E-12
node -1.949643328181637E-15 5.853367983511048E-15 -1.603549304636685E-11 1.666190563158553E-10 -1.656184441563303E-10 -3.524791494069421E-12
peri 1.017291994680801E-13 -3.146193252607519E-13 1.35427644252282E-9 -1.656184441563303E-10 4.996353753784125E-10 3.222920788745346E-12
i -2.656221982143521E-15 7.065089443964853E-15 -1.16856975196819E-12 -3.524791494069421E-12 3.222920788745346E-12 2.177194401546541E-11

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 13.89   n/a E2021B10  
diameter diameter 4.440 km 0.193 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.325   0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21095 (1992 EG11)          Discovered 1992-Mar-06 by UESAC at La Silla
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 EG11 = 1998 RJ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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