(Q146583)

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

imported from Wikimedia project

31 October 2023

named after

Frederick Pilcher

1 reference

English Wikipedia

Wikimedia import URL

https://en.wikipedia.org/w/index.php?title=1990_Pilcher&oldid=843624024

follows

1989 Tatry

1 reference

Minor Planet Center Database

followed by

1991 Darwin

1 reference

Minor Planet Center Database

significant event

naming

0 references

discoverer or inventor

Karl Wilhelm Reinmuth

2 references

Minor Planet Center Database

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

time of discovery or invention

31 October 2023

9 March 1956

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

site of astronomical discovery

31 October 2023

Landessternwarte Heidelberg-Königstuhl

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

31 October 2023

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

31 October 2023

parent astronomical body

Sun

0 references

apoapsis

2.285 astronomical unit

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1990

2.286950140152466±0.00000000038323 astronomical unit

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

25 January 2024

periapsis

2.0633630 astronomical unit

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1990

2.061189352122425±0.0000000018233 astronomical unit

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

25 January 2024

argument of periapsis

12.06934 degree

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1990

12.66758573530541±0.00000073727 degree

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

imported from Wikimedia project

25 January 2024

orbital eccentricity

0.050921

1 reference

French Wikipedia

Wikimedia import URL

https://fr.wikipedia.org/w/index.php?title=(1990)_Pilcher&oldid=138157671

0.0509958

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1990

0.05192123859667759±0.00000000080228

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

25 January 2024

orbital inclination

3.13175 degree

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1990

3.134961667691147±0.000000054588 degree

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

25 January 2024

orbital period

3.21 year

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1990

1,170.869884110182±0.0000023359 day

point in time

13 September 2023

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

31 October 2023

rotation period

2.841 hour

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

semi-major axis of an orbit

31 October 2023

2.1742400 astronomical unit

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1990

2.174069746140837±0.0000000028915 astronomical unit

point in time

13 September 2023

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

longitude of ascending node

31 October 2023

193.62967 degree

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1990

193.5669205148267±0.00000072858 degree

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

25 January 2024

mean anomaly

215.76274 degree

1 reference

https://www.minorplanetcenter.net/db_search/show_object?object_id=1990

347.1190297367205±0.00000066171 degree

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

25 January 2024

asteroid spectral type

S-type asteroid

asteroid taxonomy

Tholen classification

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

imported from Wikimedia project

31 October 2023

absolute magnitude

13.14

2 references

English Wikipedia

Wikimedia import URL

https://en.wikipedia.org/w/index.php?title=1990_Pilcher&oldid=843624024

https://www.minorplanetcenter.net/db_search/show_object?object_id=1990

12.9

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

31 October 2023

0.215±0.039

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

31 October 2023

diameter

6.754±0.167 kilometre

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

31 October 2023

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

25 January 2024

time of periapsis

2,460,242.3942849585±0.0000072755 Julian day

point in time

13 September 2023

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

31 October 2023

provisional designation

1937 JL

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

31 October 2023

1940 FA

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

31 October 2023

1956 EE

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

31 October 2023

1959 CE1

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

31 October 2023

1964 VS2

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

31 October 2023

1972 EC

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

31 October 2023

1972 GO

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

31 October 2023

1973 QM

1 reference

https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20001990

31 October 2023

Identifiers

1 reference

28 October 2013

1 reference