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6273 Kiruna (1992 ER31)
Classification: Main-belt Asteroid          SPK-ID: 2006273
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2466459940085538 4.2888e-08  
a 2.480775317277997 7.3535e-09 au
q 1.86890202323608 1.0406e-07 au
i 1.676552427874458 2.8888e-06 deg
node 148.2386701288553 0.00014271 deg
peri 272.7283211144284 0.00014282 deg
M 259.4278862019525 7.9656e-06 deg
tp 2459795.207727078630
(2022-Aug-03.70772708)
3.2937e-05 TDB
period 1427.182708285618
3.91
6.3456e-06
1.737e-08
d
yr
n .2522452086267529 1.1215e-09 deg/d
Q 3.092648611319914 9.1672e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1980  
   data-arc span      21120 days (57.82 yr)  
   first obs. used      1963-10-13  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46214  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 18:41:49  

Additional Information
 Earth MOID = .882263 au 
 Jupiter MOID = 2.25383 au 
 T_jup = 3.435 
[ 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 14.37   n/a MPO636159  
diameter diameter 6.877 km 0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.035   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

6273 Kiruna           Discovered 1992 Mar. 1 at the European Southern Observatory in the course of the Uppsala-ESO Survey of Asteroids and Comets.
North of the Arctic Circle in the province of Norrbotten, Kiruna is the northernmost city in Sweden, known for its iron-ore mining since the late-nineteenth century.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990928/MPCPages.arcLast Updated: 2010-06-11

Alternate Designations
 1992 ER31 = 1963 TA = 1988 CZ5 = 1990 RV10 = 1993 KP3 = 1994 PS15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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