(Q146073)

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001928

31 October 2023

0 references

1 reference

Minor Planet Center Database

followed by

1929 Kollaa

1 reference

Minor Planet Center Database

significant event

naming

0 references

discoverer or inventor

Yrjö Väisälä

2 references

Minor Planet Center Database

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001928

time of discovery or invention

31 October 2023

21 September 1938

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001928

site of astronomical discovery

31 October 2023

Iso-Heikkilä Observatory

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001928

31 October 2023

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001928

31 October 2023

parent astronomical body

Sun

0 references

apoapsis

2.980 astronomical unit

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1928

2.978478027682187±0.0000000066876 astronomical unit

13 September 2023

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001928

31 October 2023

periapsis

1.9732472 astronomical unit

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1928

1.976182127394861±0.0000000051466 astronomical unit

13 September 2023

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001928

31 October 2023

argument of periapsis

157.67513 degree

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1928

157.8058463083584±0.00000052239 degree

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001928

imported from Wikimedia project

25 January 2024

orbital eccentricity

0.20

1 reference

French Wikipedia

Wikimedia import URL

https://fr.wikipedia.org/w/index.php?title=(1928)_Summa&oldid=144923488

0.2032196

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1928

0.2022935718931745±0.0000000026207

13 September 2023

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001928

31 October 2023

orbital inclination

4.57526 degree

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1928

4.575486505893716±0.00000004592 degree

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001928

25 January 2024

orbital period

3.9 year

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1928

1,424.210688110295±0.00000058085 day

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001928

25 January 2024

rotation period

6.8549 hour

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001928

semi-major axis of an orbit

31 October 2023

2.4765258 astronomical unit

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1928

2.477330077538524±0.0000000055624 astronomical unit

13 September 2023

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001928

longitude of ascending node

31 October 2023

180.41715 degree

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1928

180.3515605092508±0.00000053404 degree

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001928

25 January 2024

mean anomaly

249.92761 degree

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1928

294.2321008124235±0.00000033572 degree

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001928

25 January 2024

absolute magnitude

12.68

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1928

12.86

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001928

31 October 2023

0.16±0.043

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001928

31 October 2023

diameter

9.333±0.17 kilometre

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001928

31 October 2023

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001928

25 January 2024

time of periapsis

2,460,460.6870670826±0.0000087309 Julian day

13 September 2023

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001928

31 October 2023

provisional designation

1938 SO

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001928

31 October 2023

1969 PA

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001928

31 October 2023

Identifiers

1 reference

28 October 2013

1 reference