🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.3

Radius: 9.4

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.85 AU - 0.99 AU

Year: 609 Days

Day: 10.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,297,473 km

• M1: 116,836 km (0.117 R)
• M2: 559,945 km (0.064 R)
• M3: 1,090,269 km (0.06 R)
• M4: 1,618,649 km (0.112 R)
• M5: 2,205,073 km (0.088 R)
• M6: 2,673,464 km (0.115 R)
• M7: 3,054,938 km (0.117 R)
• M8: 3,429,082 km (0.088 R)
• M9: 4,047,969 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.6

Radius: 12.7

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.94 AU - 1.26 AU

Year: 796 Days

Day: 6.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,297,473 km

• M1: 157,975 km (0.09 R)
• M2: 619,934 km (0.118 R)
• M3: 1,122,134 km (0.11 R)
• M4: 1,592,918 km (0.059 R)
• M5: 2,114,267 km (0.103 R)
• M6: 2,579,067 km (0.116 R)
• M7: 3,330,348 km (0.087 R)
• M8: 3,853,791 km (0.117 R)
• M9: 4,886,614 km (0.072 R)
• M10: 5,654,351 km (0.109 R)
• M11: 6,209,658 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245

Radius: 12

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.13 AU - 1.25 AU

Year: 896 Days

Day: 9.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,297,473 km

• M1: 149,299 km (0.113 R)
• M2: 572,511 km (0.067 R)
• M3: 1,007,392 km (0.115 R)
• M4: 1,737,430 km (0.029 R)
• M5: 2,180,539 km (0.103 R)
• M6: 2,667,779 km (0.092 R)
• M7: 3,179,703 km (0.085 R)
• M8: 3,664,549 km (0.085 R)
• M9: 4,328,914 km (0.11 R)
• M10: 4,706,050 km (0.077 R)
• M11: 5,457,630 km (0.073 R)
• M12: 5,844,639 km (0.059 R)
• M13: 6,595,621 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.2

Radius: 14

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.48 AU - 2.26 AU

Year: 1765 Days

Day: 12.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 105 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,297,473 km

• M1: 174,431 km (0.046 R)
• M2: 652,247 km (0.086 R)
• M3: 1,268,889 km (0.082 R)
• M4: 1,825,094 km (0.066 R)
• M5: 2,293,186 km (0.076 R)
• M6: 2,740,035 km (0.09 R)
• M7: 4,448,143 km (0.072 R)
• M8: 4,909,503 km (0.109 R)
• M9: 5,782,406 km (0.114 R)
• M10: 6,437,645 km (0.105 R)
• M11: 6,919,949 km (0.081 R)
• M12: 7,600,619 km (0.089 R)
• M13: 8,769,577 km (0.102 R)
• M14: 9,984,611 km (0.105 R)
• M15: 10,669,619 km (0.107 R)
• M16: 11,232,407 km (0.098 R)
• M17: 11,933,871 km (0.087 R)
• M18: 12,499,650 km (0.054 R)
• M19: 13,381,679 km (0.102 R)
• M20: 14,349,877 km (0.116 R)
• M21: 15,744,727 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.8

Radius: 8.1

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.81 AU - 2.67 AU

Year: 2314 Days

Day: 14.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,297,473 km

• M1: 100,829 km (0.115 R)
• M2: 412,142 km (0.065 R)
• M3: 743,202 km (0.115 R)
• M4: 1,357,601 km (0.098 R)
• M5: 2,323,853 km (0.081 R)
• M6: 2,672,267 km (0.096 R)
• M7: 5,305,189 km (0.062 R)
• M8: 5,636,848 km (0.07 R)
• M9: 6,792,192 km (0.078 R)
• M10: 7,104,104 km (0.114 R)
• M11: 8,779,749 km (0.104 R)
• M12: 11,162,096 km (0.085 R)
• M13: 11,414,617 km (0.098 R)
• M14: 13,010,527 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.1

Radius: 14.6

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.34 AU - 2.7 AU

Year: 2761 Days

Day: 13 Hours

Environment

Temp: -207 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,297,473 km

• M1: 181,761 km (0.05 R)
• M2: 705,204 km (0.102 R)
• M3: 1,463,965 km (0.102 R)
• M4: 2,052,483 km (0.064 R)
• M5: 2,723,130 km (0.096 R)
• M6: 3,291,452 km (0.116 R)
• M7: 3,827,761 km (0.047 R)
• M8: 4,871,355 km (0.079 R)
• M9: 5,819,956 km (0.108 R)
• M10: 6,701,685 km (0.109 R)
• M11: 7,696,362 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 828.3

Radius: 5.6

Gravity: 26.41 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 7.39 AU - 9.67 AU

Year: 17196 Days

Day: 23.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,297,473 km

• M1: 69,713 km (0.113 R)
• M2: 358,436 km (0.12 R)
• M3: 972,237 km (0.119 R)
• M4: 1,298,210 km (0.05 R)
• M5: 1,576,014 km (0.116 R)
• M6: 2,315,177 km (0.115 R)
• M7: 3,263,478 km (0.083 R)
• M8: 3,689,383 km (0.091 R)
• M9: 5,494,879 km (0.113 R)
• M10: 7,769,814 km (0.111 R)
• M11: 8,218,757 km (0.096 R)
• M12: 9,005,193 km (0.12 R)
• M13: 10,425,625 km (0.067 R)
• M14: 12,860,779 km (0.108 R)
• M15: 17,020,049 km (0.073 R)
• M16: 17,437,577 km (0.105 R)
• M17: 17,861,836 km (0.089 R)
• M18: 18,119,743 km (0.064 R)
• M19: 19,719,243 km (0.088 R)
• M20: 27,744,870 km (0.076 R)
• M21: 29,623,221 km (0.115 R)
• M22: 33,111,394 km (0.116 R)
• M23: 51,172,644 km (0.069 R)
• M24: 53,452,666 km (0.101 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: 346 - 11,632 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit