As of 2022-03-07, the Wikidata property companion of (P399) is used on 3,571 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
P31 instance of 3,565
 0.0000
P6257 right ascension 3,562
 0.0004
P6258 declination 3,562
 0.0004
P6259 epoch 3,562
 0.0004
P528 catalog code 3,562
 0.0004
P3083 SIMBAD ID 3,558
 0.0004
P1215 apparent magnitude 3,527
 0.0006
P2215 proper motion 3,424
 0.0008
P2214 parallax 2,919
 0.0008
P2583 distance from Earth 2,727
 0.0009
P2216 radial velocity 2,000
 0.0005
P215 spectral class 1,973
 0.0026
P361 part of 1,289
 0.0004
P59 constellation 863
 0.0001
P6879 effective temperature 664
 0.0011
P4296 stellar rotational velocity 502
 0.0143
P7015 surface gravity 402
 0.0007
P2227 metallicity 363
 0.0017
P2671 Google Knowledge Graph ID 296
 0.0000
P646 Freebase ID 180
 0.0000
P999 ARICNS 165
 0.0215
P2120 radius 144
 0.0107
P1457 absolute magnitude 134
 0.0026
P881 type of variable star 117
 0.0004
P2060 luminosity 113
 0.0124
P2067 mass 99
 0.0003
P18 image 58
 0.0000
P527 has part or parts 48
 0.0001
P575 time of discovery or invention 44
 0.0005
P2386 diameter 38
 0.0013
P398 child astronomical body 32
 0.0034
P373 Commons category 27
 0.0000
P61 discoverer or inventor 25
 0.0003
P1090 redshift 25
 0.0000
P5653 Extrasolar Planets Encyclopaedia exoplanet ID 20
 0.0025
P910 topic's main category 20
 0.0000
P1046 discovery method 18
 0.0023
P3208 New General Catalogue ID 18
 0.0016
P4095 Principal Galaxies Catalogue ID 17
 0.0008
P223 galaxy morphological type 17
 0.0001
P2233 semi-major axis of an orbit 16
 0.0003
P1417 Encyclopædia Britannica Online ID 11
 0.0001
P397 parent astronomical body 8
 0.0005
P6340 Uppsala General Catalogue ID 7
 0.0007
P2146 orbital period 6
 0.0001
P1096 orbital eccentricity 6
 0.0001
P6262 Fandom article ID 6
 0.0001
P4839 Wolfram Language entity code 5
 0.0000
P242 locator map image 5
 0.0000
P7584 age estimated by a dating method 4
 0.0009

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P999 ARICNS 165
 0.0215
P4296 stellar rotational velocity 502
 0.0143
P2060 luminosity 113
 0.0124
P2120 radius 144
 0.0107
P398 child astronomical body 32
 0.0034
P215 spectral class 1,973
 0.0026
P1457 absolute magnitude 134
 0.0026
P5653 Extrasolar Planets Encyclopaedia exoplanet ID 20
 0.0025
P1046 discovery method 18
 0.0023
P2227 metallicity 363
 0.0017
P3208 New General Catalogue ID 18
 0.0016
P2386 diameter 38
 0.0013
P6879 effective temperature 664
 0.0011
P7584 age estimated by a dating method 4
 0.0009
P2583 distance from Earth 2,727
 0.0009
P2215 proper motion 3,424
 0.0008
P1458 color index 3
 0.0008
P5348 angular diameter 3
 0.0008
P4095 Principal Galaxies Catalogue ID 17
 0.0008
P2214 parallax 2,919
 0.0008
P7015 surface gravity 402
 0.0007
P6340 Uppsala General Catalogue ID 7
 0.0007
P1215 apparent magnitude 3,527
 0.0006
P575 time of discovery or invention 44
 0.0005
P9767 edition/version 2
 0.0005
P2216 radial velocity 2,000
 0.0005
P397 parent astronomical body 8
 0.0005
P2051 M sin i 2
 0.0004
P6257 right ascension 3,562
 0.0004
P6258 declination 3,562
 0.0004
P6259 epoch 3,562
 0.0004
P3083 SIMBAD ID 3,558
 0.0004
P528 catalog code 3,562
 0.0004
P361 part of 1,289
 0.0004
P881 type of variable star 117
 0.0004
P2233 semi-major axis of an orbit 16
 0.0003
P61 discoverer or inventor 25
 0.0003
P2067 mass 99
 0.0003
P5555 schematic 2
 0.0003
P2147 rotation period 1
 0.0003
P2212 angular distance 1
 0.0002
P3545 Theoi Project ID 1
 0.0002
P7822 Italian Vikidia ID 1
 0.0002
P4466 Unified Astronomy Thesaurus ID 1
 0.0002
P7512 startrek.com Database ID 1
 0.0002
P5063 Interlingual Index ID 2
 0.0002
P223 galaxy morphological type 17
 0.0001
P2146 orbital period 6
 0.0001
P1096 orbital eccentricity 6
 0.0001
P59 constellation 863
 0.0001