🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.7

Radius: 13.6

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.37 AU - 1.61 AU

Year: 1174 Days

Day: 6.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,260,133 km

• M1: 170,242 km (0.103 R)
• M2: 737,368 km (0.069 R)
• M3: 1,224,907 km (0.085 R)
• M4: 1,801,009 km (0.077 R)
• M5: 2,522,669 km (0.055 R)
• M6: 3,217,551 km (0.117 R)
• M7: 3,812,651 km (0.096 R)
• M8: 4,431,687 km (0.103 R)
• M9: 5,410,506 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.1

Radius: 9.9

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.45 AU - 1.77 AU

Year: 1319 Days

Day: 11.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,260,133 km

• M1: 123,119 km (0.112 R)
• M2: 573,109 km (0.096 R)
• M3: 978,071 km (0.117 R)
• M4: 1,367,624 km (0.057 R)
• M5: 1,901,539 km (0.057 R)
• M6: 2,217,938 km (0.115 R)
• M7: 2,673,314 km (0.056 R)
• M8: 3,528,565 km (0.049 R)
• M9: 4,169,741 km (0.07 R)
• M10: 5,007,190 km (0.074 R)
• M11: 5,728,102 km (0.034 R)
• M12: 6,301,062 km (0.101 R)
• M13: 6,786,657 km (0.06 R)
• M14: 7,696,511 km (0.116 R)
• M15: 9,104,227 km (0.088 R)
• M16: 10,676,501 km (0.098 R)
• M17: 11,367,493 km (0.117 R)
• M18: 12,915,532 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.1

Radius: 8.3

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.56 AU - 2.44 AU

Year: 1826 Days

Day: 7.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,260,133 km

• M1: 103,372 km (0.089 R)
• M2: 383,120 km (0.047 R)
• M3: 702,661 km (0.056 R)
• M4: 991,086 km (0.077 R)
• M5: 1,328,728 km (0.096 R)
• M6: 1,669,512 km (0.061 R)
• M7: 1,945,371 km (0.101 R)
• M8: 2,262,967 km (0.094 R)
• M9: 2,664,637 km (0.043 R)
• M10: 2,949,472 km (0.111 R)
• M11: 3,815,942 km (0.098 R)
• M12: 4,842,333 km (0.117 R)
• M13: 5,699,080 km (0.057 R)
• M14: 6,086,389 km (0.11 R)
• M15: 6,354,319 km (0.106 R)
• M16: 7,255,048 km (0.093 R)
• M17: 8,483,845 km (0.03 R)
• M18: 9,366,771 km (0.112 R)
• M19: 10,788,101 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.6

Radius: 12.7

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.8 AU - 3.98 AU

Year: 4954 Days

Day: 11.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,260,133 km

• M1: 160,070 km (0.12 R)
• M2: 860,038 km (0.105 R)
• M3: 1,269,488 km (0.119 R)
• M4: 2,127,431 km (0.081 R)
• M5: 3,628,197 km (0.048 R)
• M6: 5,026,040 km (0.096 R)
• M7: 6,160,590 km (0.084 R)
• M8: 6,723,975 km (0.106 R)
• M9: 7,424,542 km (0.095 R)
• M10: 8,210,230 km (0.069 R)
• M11: 8,777,057 km (0.068 R)
• M12: 9,821,549 km (0.06 R)
• M13: 11,494,951 km (0.119 R)
• M14: 18,276,671 km (0.079 R)
• M15: 19,908,933 km (0.101 R)
• M16: 22,940,833 km (0.105 R)
• M17: 24,528,067 km (0.09 R)
• M18: 26,106,624 km (0.039 R)
• M19: 28,004,572 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.8

Radius: 6.4

Gravity: 21.31 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.18 AU - 9.1 AU

Year: 16398 Days

Day: 20 Hours

Environment

Temp: -218 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,260,133 km

• M1: 79,736 km (0.082 R)
• M2: 598,541 km (0.083 R)
• M3: 806,931 km (0.064 R)
• M4: 2,188,617 km (0.095 R)
• M5: 9,320,396 km (0.105 R)
• M6: 10,886,536 km (0.079 R)
• M7: 11,572,143 km (0.049 R)
• M8: 14,017,620 km (0.069 R)
• M9: 15,207,521 km (0.077 R)
• M10: 18,128,120 km (0.047 R)
• M11: 25,050,313 km (0.115 R)
• M12: 25,804,735 km (0.08 R)
• M13: 27,928,875 km (0.095 R)
• M14: 33,939,269 km (0.071 R)
• M15: 41,650,590 km (0.095 R)
• M16: 42,404,564 km (0.091 R)
• M17: 45,511,711 km (0.113 R)
• M18: 52,874,769 km (0.057 R)
• M19: 57,764,675 km (0.074 R)
• M20: 58,890,847 km (0.09 R)
• M21: 66,160,706 km (0.102 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 20,420 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit