1866 Sisyphus (Binary Child 1) help
Last update: 2025-06-13 00:05 UTC
Physical properties
  • Rotation Period
  • Quality
  • Amplitude
  • Rotation Direction
  • Spinvector L
  • Spinvector B
Rotational properties
Value
Unit
Source
Rotation Period
Value
Unit
h
Source
[-]
Quality
Value
-
Unit
-
Source
[-]
Amplitude
Value
-
Unit
mag
Source
[-]
Rotation Direction
Value
-
Unit
-
Source
[-]
Spinvector L
Value
-
Unit
Source
[-]
Spinvector B
Value
-
Unit
Source
[-]
  • Taxonomy
  • Taxonomy (all)
Taxonomy
Value
Unit
Source
Taxonomy
Value
-
Unit
-
Source
[-]
Taxonomy (all)
Value
-
Unit
-
Source
[-]
  • Absolute Magnitude (H)
  • Slope Parameter (G)
H / G
Value
Unit
Source
Absolute Magnitude (H)
Value
12.51
12.475
Unit
mag
mag
Source
[1]
[2]
Slope Parameter (G)
Value
0.15**
0.235
Unit
mag
mag
Source
[2]
[3]
  • Albedo
  • Diameter
Size and albedo
Value
Unit
Source
Albedo
Value
0.05 - 0.25
Unit
-
Source
[-]
Diameter
Value
-
Unit
Source
[-]
  • Color Index Information
Color Index Information
Value
Unit
Source
Color Index Information
Value
-
Unit
mag
Source
[-]
  • Sightings
Sightings
Value
Unit
Source
Sightings
Value
-
Unit
-
Source
[-]
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Sources

No.NameAdditional
No.[1]NameEARNAdditional1.) Pravec, P. et al. (2012) Icarus 221, 365-387 (Absolute
magnitudes of asteroids and a revision of asteroid albedo
estimates from WISE thermal observations)
2.) Petr
Pravec's Ondrejov NEO Photometric Program Webpage
"Prepublished Periods"
No.[2]NameESA AegisAdditionalESA orbit determination and impact monitoring system
No.[3]NameEARNAdditional1.) Pravec, P. et al. (2012) Icarus 221, 365-387 (Absolute
magnitudes of asteroids and a revision of asteroid albedo
estimates from WISE thermal observations)
No.[4]NameEstimationAdditionalEstimated from absolute magnitude