🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.3

Radius: 9.7

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.63 AU - 0.89 AU

Year: 435 Days

Day: 6.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 115 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,748,172 km

• M1: 120,576 km (0.109 R)
• M2: 431,590 km (0.119 R)
• M3: 829,670 km (0.062 R)
• M4: 1,213,837 km (0.119 R)
• M5: 1,954,347 km (0.104 R)
• M6: 2,278,824 km (0.12 R)
• M7: 2,839,368 km (0.091 R)
• M8: 3,199,450 km (0.112 R)
• M9: 3,653,778 km (0.114 R)
• M10: 4,094,943 km (0.043 R)
• M11: 4,408,500 km (0.098 R)
• M12: 4,799,997 km (0.118 R)
• M13: 5,181,771 km (0.09 R)
• M14: 5,515,374 km (0.027 R)
• M15: 6,133,812 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131

Radius: 14.6

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.85 AU - 0.93 AU

Year: 551 Days

Day: 13.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,748,172 km

• M1: 181,612 km (0.116 R)
• M2: 664,364 km (0.071 R)
• M3: 1,181,973 km (0.08 R)
• M4: 2,106,338 km (0.068 R)
• M5: 2,720,736 km (0.05 R)
• M6: 3,301,027 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.9

Radius: 9

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.69 AU - 3.13 AU

Year: 3256 Days

Day: 7.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 78.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,748,172 km

• M1: 112,198 km (0.118 R)
• M2: 946,356 km (0.083 R)
• M3: 2,005,808 km (0.114 R)
• M4: 2,818,873 km (0.11 R)
• M5: 3,273,052 km (0.092 R)
• M6: 4,601,182 km (0.087 R)
• M7: 5,081,690 km (0.063 R)
• M8: 7,031,998 km (0.109 R)
• M9: 7,936,317 km (0.113 R)
• M10: 11,157,159 km (0.065 R)
• M11: 13,078,594 km (0.055 R)
• M12: 13,507,042 km (0.112 R)
• M13: 14,192,200 km (0.066 R)
• M14: 14,492,892 km (0.074 R)
• M15: 17,737,820 km (0.092 R)
• M16: 18,263,058 km (0.086 R)
• M17: 21,900,231 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.8

Radius: 3.8

Gravity: 9.13 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 6.5 AU - 8.94 AU

Year: 14071 Days

Day: 23.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,748,172 km

• M1: 47,273 km (0.107 R)
• M2: 220,806 km (0.106 R)
• M3: 761,154 km (0.086 R)
• M4: 1,184,366 km (0.089 R)
• M5: 1,375,403 km (0.081 R)
• M6: 1,693,448 km (0.087 R)
• M7: 2,202,081 km (0.103 R)
• M8: 3,125,848 km (0.105 R)
• M9: 4,179,914 km (0.09 R)
• M10: 6,644,240 km (0.092 R)
• M11: 7,174,115 km (0.076 R)
• M12: 9,186,656 km (0.094 R)
• M13: 14,569,935 km (0.084 R)
• M14: 16,075,189 km (0.078 R)
• M15: 20,394,977 km (0.098 R)
• M16: 29,424,704 km (0.117 R)
• M17: 31,620,053 km (0.073 R)
• M18: 32,210,067 km (0.058 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: 388 - 15,883 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit