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5794 Irmina (1976 SW3)
Classification: Main-belt Asteroid          SPK-ID: 2005794
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1571150003568947 1.6e-08  
a 3.141643761881964 1.3098e-08 au
q 2.648044401112643 5.1818e-08 au
i 5.298375110229235 9.46e-07 deg
node 172.9194953767823 7.9599e-06 deg
peri 218.2307186654457 1.1194e-05 deg
M 335.0995612249201 6.5864e-06 deg
tp 2459341.181934894634
(2021-May-06.68193489)
3.7306e-05 TDB
period 2033.919844527142
5.57
1.2719e-05
3.482e-08
d
yr
n .1769981255498763 1.1069e-09 deg/d
Q 3.635243122651285 1.5156e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2275  
   data-arc span      24187 days (66.22 yr)  
   first obs. used      1954-11-24  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .498  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 17:58:26  

Additional Information
 Earth MOID = 1.65474 au 
 Jupiter MOID = 1.81804 au 
 T_jup = 3.184 
[ 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 12.97   n/a E2021B10  
diameter diameter 10.836 km 2.684 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.097   0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

5794 Irmina (1976 SW3)          Discovered 1976-Sep-24 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1976 SW3 = 1987 SW12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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