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5029 Ireland (1988 BL2)
Classification: Main-belt Asteroid          SPK-ID: 2005029
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09358358703664957 5.2197e-08  
a 2.93489717172305 1.6483e-08 au
q 2.660238966809489 1.5537e-07 au
i 19.35391104575703 4.938e-06 deg
node 28.70829714009085 1.291e-05 deg
peri 331.945765982966 2.5064e-05 deg
M 261.8897365520425 2.2883e-05 deg
tp 2459500.994953211024
(2021-Oct-13.49495321)
0.0001186 TDB
period 1836.486589922816
5.03
1.5471e-05
4.236e-08
d
yr
n .1960264790254364 1.6514e-09 deg/d
Q 3.20955537663661 1.8026e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1888  
   data-arc span      17847 days (48.86 yr)  
   first obs. used      1971-09-26  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43479  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:23:00  

Additional Information
 Earth MOID = 1.67257 au 
 Jupiter MOID = 2.27244 au 
 T_jup = 3.184 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.3   n/a MPO395046  
diameter diameter 11.960 km 0.439 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.235   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5029 Ireland (1988 BL2)          Discovered 1988-Jan-24 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1988 BL2 = 1971 SJ3 = 1986 TB6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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