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5083 Irinara (1977 EV)
Classification: Main-belt Asteroid          SPK-ID: 2005083
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07881396289310579 4.5348e-08  
a 2.55231455166919 1.2074e-08 au
q 2.351156527302401 1.1268e-07 au
i 14.75365700567496 5.3425e-06 deg
node 321.2671007695224 1.3078e-05 deg
peri 239.6997074593028 3.4737e-05 deg
M 186.1765805157036 3.3434e-05 deg
tp 2459719.626859658500
(2022-May-20.12685966)
0.00013769 TDB
period 1489.360123308633
4.08
1.0568e-05
2.893e-08
d
yr
n .2417145419472191 1.7152e-09 deg/d
Q 2.75347257603598 1.3026e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2099  
   data-arc span      15641 days (42.82 yr)  
   first obs. used      1977-03-13  
   last obs. used      2020-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38353  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:29:12  

Additional Information
 Earth MOID = 1.38695 au 
 Jupiter MOID = 2.3144 au 
 T_jup = 3.389 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456883.5 (2014-Aug-14.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07786892078178918 4.5356e-08  
q 2.354074238854214 1.1256e-07 au
tp 2456741.294732275183
(2014-Mar-24.79473228)
0.00014334 TDB
node 321.3417940080085 1.3077e-05 deg
peri 239.9567496705222 3.5116e-05 deg
i 14.75080220075438 5.3428e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2099  
   data-arc span      15641 days (42.82 yr)  
   first obs. used      1977-03-13  
   last obs. used      2020-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38353  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:29:12  

Additional Information
 Jupiter MOID = 2.3144 au 
 T_jup = 3.389 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.057121555042402E-15 -5.082234085569115E-15 -2.487605049851147E-12 -1.603881128891678E-14 -6.326861992132612E-13 3.44872580377015E-15
q -5.082234085569115E-15 1.266908614744493E-14 5.914624413719002E-12 3.911655651394082E-14 1.51257911027301E-12 -8.091191205958492E-15
tp -2.487605049851147E-12 5.914624413719002E-12 2.054511117186477E-8 6.380147865572642E-11 4.677287247581504E-9 1.558596622724987E-12
node -1.603881128891678E-14 3.911655651394082E-14 6.380147865572642E-11 1.710195624880884E-10 -1.497535299749242E-10 2.696906901766526E-11
peri -6.326861992132612E-13 1.51257911027301E-12 4.677287247581504E-9 -1.497535299749242E-10 1.233137102762373E-9 -2.588672603074411E-11
i 3.44872580377015E-15 -8.091191205958492E-15 1.558596622724987E-12 2.696906901766526E-11 -2.588672603074411E-11 2.854601636545618E-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 12.6   n/a MPO256901  
diameter diameter 8.242 km 0.152 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.295   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

5083 Irinara (1977 EV)          Discovered 1977-Mar-13 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1977 EV = 1989 CD2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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