Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07881396277431614 4.5353e-08  
a 2.552314551628729 1.2076e-08 au
q 2.351156527568317 1.1269e-07 au
i 14.75365701935767 5.3429e-06 deg
node 321.267100711673 1.3081e-05 deg
peri 239.6997072884591 3.477e-05 deg
M 186.1765807826606 3.3481e-05 deg
tp 2459719.626858536969
(2022-May-20.12685854)
0.00013789 TDB
period 1489.360123273217
4.08
1.057e-05
2.894e-08
d
yr
n .2417145419529668 1.7154e-09 deg/d
Q 2.753472575689141 1.3027e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2095  
   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      .38384  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 19:50:06  

Additional Information
 Earth MOID = 1.38695 au 
 Jupiter MOID = 2.3144 au 
 T_jup = 3.389 
[ 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 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1974-Sep-27 00:08 < 00:01 Psych 0.0197159051138885 0.0197119497833127 0.0197198610717233 6.72116065017 6.72116055886551 2442317.505883532 0.29155603229079 265.406937397791 31.8524326308427 42.3912686032893 62941.6941507007 T 35 CATAB v2.0f-lin.ifort 2020-Jan-28 19:50:36 2020-Jan-28 19:50
2174-Aug-04 15:53 < 00:01 Psych 0.0482042240836246 0.0481981395141967 0.0482103201757384 6.66235099044981 6.66235095277592 2515313.161619870 0.820374770737152 1219.91804579856 32.2192802984322 -75.6663096325071 216781.645258516 T 35 CATAB v2.0f-lin.ifort 2020-Jan-28 19:50:36 2020-Jan-28 19:50

Alternate Designations
 1977 EV = 1989 CD2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-18 16:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin