As of 2022-03-07, the Wikidata property epoch (P6259) is used on 8,076,521 items as main value on statements (not counting qualifiers) of the Q and P namespaces.

Closest properties: by cardinality of intersection, by Jaccard index.

Display properties of the following types:                                    

Closest properties by cardinality of intersection

IDLabelIntersection cardinalityJaccard index
P6257 right ascension 8,076,435
 1.0000
P6258 declination 8,076,434
 1.0000
P3083 SIMBAD ID 8,074,955
 0.9905
P31 instance of 8,072,034
 0.0865
P528 catalog code 8,026,644
 0.9690
P59 constellation 7,369,878
 0.9124
P1215 apparent magnitude 6,269,395
 0.7736
P2215 proper motion 4,064,952
 0.5033
P2216 radial velocity 3,716,689
 0.4601
P2214 parallax 3,658,198
 0.4529
P2583 distance from Earth 3,012,255
 0.3730
P1090 redshift 895,302
 0.1108
P215 spectral class 734,848
 0.0908
P6879 effective temperature 614,429
 0.0761
P7015 surface gravity 539,078
 0.0667
P881 type of variable star 329,131
 0.0408
P361 part of 272,474
 0.0252
P2227 metallicity 214,916
 0.0266
P223 galaxy morphological type 116,216
 0.0144
P2671 Google Knowledge Graph ID 33,553
 0.0022
P4296 stellar rotational velocity 31,903
 0.0040
P4095 Principal Galaxies Catalogue ID 17,110
 0.0021
P575 time of discovery or invention 12,003
 0.0015
P527 has part or parts 11,495
 0.0013
P61 discoverer or inventor 10,252
 0.0013
P2120 radius 9,584
 0.0012
P18 image 8,445
 0.0007
P3208 New General Catalogue ID 7,331
 0.0009
P4839 Wolfram Language entity code 7,154
 0.0009
P397 parent astronomical body 7,152
 0.0009
P6340 Uppsala General Catalogue ID 6,943
 0.0009
P646 Freebase ID 6,325
 0.0005
P2060 luminosity 5,624
 0.0007
P398 child astronomical body 5,611
 0.0007
P373 Commons category 4,460
 0.0004
P999 ARICNS 4,250
 0.0005
P5653 Extrasolar Planets Encyclopaedia exoplanet ID 4,070
 0.0005
P1046 discovery method 3,938
 0.0005
P2146 orbital period 3,894
 0.0005
P1457 absolute magnitude 3,776
 0.0005
P2386 diameter 3,631
 0.0004
P399 companion of 3,562
 0.0004
P2067 mass 2,571
 0.0003
P2233 semi-major axis of an orbit 2,555
 0.0003
P910 topic's main category 1,733
 0.0002
P1096 orbital eccentricity 1,583
 0.0002
P2248 argument of periapsis 951
 0.0001
P2045 orbital inclination 923
 0.0001
P2051 M sin i 857
 0.0001
P2212 angular distance 377
 0.0000

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P6257 right ascension 8,076,435
 1.0000
P6258 declination 8,076,434
 1.0000
P3083 SIMBAD ID 8,074,955
 0.9905
P528 catalog code 8,026,644
 0.9690
P59 constellation 7,369,878
 0.9124
P1215 apparent magnitude 6,269,395
 0.7736
P2215 proper motion 4,064,952
 0.5033
P2216 radial velocity 3,716,689
 0.4601
P2214 parallax 3,658,198
 0.4529
P2583 distance from Earth 3,012,255
 0.3730
P1090 redshift 895,302
 0.1108
P215 spectral class 734,848
 0.0908
P31 instance of 8,072,034
 0.0865
P6879 effective temperature 614,429
 0.0761
P7015 surface gravity 539,078
 0.0667
P881 type of variable star 329,131
 0.0408
P2227 metallicity 214,916
 0.0266
P361 part of 272,474
 0.0252
P223 galaxy morphological type 116,216
 0.0144
P4296 stellar rotational velocity 31,903
 0.0040
P2671 Google Knowledge Graph ID 33,553
 0.0022
P4095 Principal Galaxies Catalogue ID 17,110
 0.0021
P575 time of discovery or invention 12,003
 0.0015
P527 has part or parts 11,495
 0.0013
P61 discoverer or inventor 10,252
 0.0013
P2120 radius 9,584
 0.0012
P3208 New General Catalogue ID 7,331
 0.0009
P397 parent astronomical body 7,152
 0.0009
P4839 Wolfram Language entity code 7,154
 0.0009
P6340 Uppsala General Catalogue ID 6,943
 0.0009
P2060 luminosity 5,624
 0.0007
P398 child astronomical body 5,611
 0.0007
P18 image 8,445
 0.0007
P999 ARICNS 4,250
 0.0005
P646 Freebase ID 6,325
 0.0005
P5653 Extrasolar Planets Encyclopaedia exoplanet ID 4,070
 0.0005
P1046 discovery method 3,938
 0.0005
P2146 orbital period 3,894
 0.0005
P1457 absolute magnitude 3,776
 0.0005
P2386 diameter 3,631
 0.0004
P399 companion of 3,562
 0.0004
P373 Commons category 4,460
 0.0004
P2233 semi-major axis of an orbit 2,555
 0.0003
P2067 mass 2,571
 0.0003
P910 topic's main category 1,733
 0.0002
P1096 orbital eccentricity 1,583
 0.0002
P2248 argument of periapsis 951
 0.0001
P2045 orbital inclination 923
 0.0001
P2051 M sin i 857
 0.0001
P2212 angular distance 377
 0.0000