(Q140003)

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001495

imported from Wikimedia project

29 October 2023

image

1495Helsinki (Lightcurve Inversion).png
1,200 × 450; 23 KB

0 references

named after

Helsinki

1 reference

1 reference

Minor Planet Center Database

followed by

1496 Turku

1 reference

Minor Planet Center Database

significant event

naming

0 references

discoverer or inventor

Yrjö Väisälä

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001495

time of discovery or invention

25 January 2024

21 September 1938

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001495

site of astronomical discovery

29 October 2023

Iso-Heikkilä Observatory

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001495

25 January 2024

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001495

29 October 2023

parent astronomical body

Sun

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apoapsis

3.050 astronomical unit

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1495

3.046811604718248±0.0000000077912 astronomical unit

13 September 2023

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001495

29 October 2023

periapsis

2.2255232 astronomical unit

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1495

2.230013289080484±0.000000007573 astronomical unit

13 September 2023

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001495

29 October 2023

argument of periapsis

268.56811 degree

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1495

268.4967253234823±0.00000025753 degree

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001495

imported from Wikimedia project

25 January 2024

orbital eccentricity

0.16

1 reference

French Wikipedia

Wikimedia import URL

https://fr.wikipedia.org/w/index.php?title=(1495)_Helsinki&oldid=144923302

0.1562078

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1495

0.1547897333637026±0.00000000064175

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001495

25 January 2024

orbital inclination

12.73224 degree

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1495

12.72495459672717±0.000000029553 degree

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001495

25 January 2024

orbital period

4.28 year

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1495

1,565.353604237015±0.0000060043 day

13 September 2023

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001495

29 October 2023

rotation period

5.33116 hour

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001495

semi-major axis of an orbit

29 October 2023

2.6375253 astronomical unit

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1495

2.638412446899366±0.0000000067469 astronomical unit

13 September 2023

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001495

longitude of ascending node

29 October 2023

13.11884 degree

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1495

13.06139830241495±0.00000017056 degree

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001495

25 January 2024

mean anomaly

261.41798 degree

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1495

1.428901044035614±0.00000017164 degree

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001495

25 January 2024

absolute magnitude

11.4

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1495

11.7

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001495

29 October 2023

0.274±0.049

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001495

29 October 2023

diameter

12.235±0.059 kilometre

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001495

29 October 2023

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001495

25 January 2024

time of periapsis

2,460,194.286844206±0.000014986 Julian day

13 September 2023

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001495

29 October 2023

provisional designation

1938 SW

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001495

29 October 2023

Identifiers

0 references

1 reference

28 October 2013

1 reference