🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.7

Radius: 12.3

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.73 AU - 0.93 AU

Year: 513 Days

Day: 14.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 13,541,608 km

• M1: 153,039 km (0.061 R)
• M2: 687,103 km (0.097 R)
• M3: 1,156,392 km (0.091 R)
• M4: 1,540,559 km (0.086 R)
• M5: 2,212,104 km (0.032 R)
• M6: 3,155,318 km (0.096 R)
• M7: 3,828,958 km (0.074 R)
• M8: 4,534,012 km (0.047 R)
• M9: 5,463,913 km (0.045 R)
• M10: 5,881,141 km (0.074 R)
• M11: 6,300,165 km (0.114 R)
• M12: 6,739,085 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.2

Radius: 10.4

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.86 AU - 0.88 AU

Year: 550 Days

Day: 8.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 13,541,608 km

• M1: 130,150 km (0.097 R)
• M2: 512,074 km (0.08 R)
• M3: 846,874 km (0.117 R)
• M4: 1,434,793 km (0.112 R)
• M5: 1,766,003 km (0.104 R)
• M6: 2,148,824 km (0.107 R)
• M7: 2,597,617 km (0.073 R)
• M8: 3,363,110 km (0.038 R)
• M9: 3,901,812 km (0.106 R)
• M10: 4,809,123 km (0.112 R)
• M11: 5,869,472 km (0.099 R)
• M12: 6,358,059 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.6

Radius: 13.6

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.85 AU - 1.03 AU

Year: 618 Days

Day: 7.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 13,541,608 km

• M1: 169,345 km (0.082 R)
• M2: 661,671 km (0.119 R)
• M3: 1,267,543 km (0.074 R)
• M4: 1,798,166 km (0.078 R)
• M5: 2,265,361 km (0.088 R)
• M6: 2,724,327 km (0.029 R)
• M7: 3,208,126 km (0.114 R)
• M8: 4,198,913 km (0.114 R)
• M9: 4,815,855 km (0.068 R)
• M10: 5,242,807 km (0.109 R)
• M11: 7,772,058 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.6

Radius: 11.4

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.99 AU - 1.17 AU

Year: 761 Days

Day: 11.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 13,541,608 km

• M1: 141,819 km (0.112 R)
• M2: 521,349 km (0.072 R)
• M3: 1,053,319 km (0.05 R)
• M4: 1,594,713 km (0.119 R)
• M5: 2,201,482 km (0.086 R)
• M6: 2,629,033 km (0.074 R)
• M7: 3,021,129 km (0.115 R)
• M8: 3,438,357 km (0.081 R)
• M9: 4,002,341 km (0.119 R)
• M10: 4,541,343 km (0.082 R)
• M11: 5,036,362 km (0.083 R)
• M12: 5,450,299 km (0.112 R)
• M13: 5,907,321 km (0.036 R)
• M14: 6,808,199 km (0.113 R)
• M15: 7,174,714 km (0.089 R)
• M16: 8,668,299 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.3

Radius: 12.5

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.11 AU - 1.75 AU

Year: 1160 Days

Day: 12 Hours

Environment

Temp: -186 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 13,541,608 km

• M1: 155,432 km (0.101 R)
• M2: 913,145 km (0.113 R)
• M3: 1,548,936 km (0.086 R)
• M4: 1,951,355 km (0.117 R)
• M5: 2,677,951 km (0.071 R)
• M6: 3,606,356 km (0.093 R)
• M7: 5,718,827 km (0.086 R)
• M8: 6,319,313 km (0.105 R)
• M9: 8,178,067 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.1

Radius: 14.3

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.7 AU - 3.04 AU

Year: 3298 Days

Day: 13.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 13,541,608 km

• M1: 177,872 km (0.091 R)
• M2: 697,575 km (0.086 R)
• M3: 1,300,005 km (0.105 R)
• M4: 1,989,801 km (0.082 R)
• M5: 2,798,976 km (0.105 R)
• M6: 3,422,051 km (0.094 R)
• M7: 4,269,074 km (0.106 R)
• M8: 4,779,054 km (0.09 R)
• M9: 5,620,691 km (0.106 R)
• M10: 6,589,188 km (0.058 R)
• M11: 7,050,548 km (0.087 R)
• M12: 9,344,481 km (0.099 R)
• M13: 10,008,247 km (0.115 R)
• M14: 11,518,288 km (0.045 R)
• M15: 12,699,812 km (0.113 R)
• M16: 14,881,697 km (0.072 R)
• M17: 15,625,647 km (0.03 R)
• M18: 16,450,081 km (0.101 R)
• M19: 16,958,564 km (0.095 R)
• M20: 23,196,646 km (0.042 R)
• M21: 24,342,566 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.4

Radius: 12

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.47 AU - 3.87 AU

Year: 3828 Days

Day: 14.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 13,541,608 km

• M1: 149,299 km (0.111 R)
• M2: 1,085,781 km (0.096 R)
• M3: 1,967,810 km (0.048 R)
• M4: 3,056,434 km (0.049 R)
• M5: 5,401,979 km (0.099 R)
• M6: 7,135,519 km (0.118 R)
• M7: 10,509,849 km (0.043 R)
• M8: 11,272,798 km (0.101 R)
• M9: 13,421,472 km (0.091 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 14,946 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit