🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.7

Radius: 14.2

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.55 AU - 0.63 AU

Year: 302 Days

Day: 13.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 64.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,072,592 km

• M1: 176,675 km (0.055 R)
• M2: 773,720 km (0.098 R)
• M3: 1,230,143 km (0.102 R)
• M4: 1,811,032 km (0.082 R)
• M5: 2,600,759 km (0.114 R)
• M6: 3,989,326 km (0.063 R)
• M7: 4,513,218 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.9

Radius: 8

Gravity: 14.53 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.24 AU - 1.28 AU

Year: 943 Days

Day: 11.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,072,592 km

• M1: 99,632 km (0.077 R)
• M2: 384,915 km (0.071 R)
• M3: 707,000 km (0.093 R)
• M4: 978,071 km (0.065 R)
• M5: 1,358,199 km (0.112 R)
• M6: 1,815,520 km (0.108 R)
• M7: 2,085,993 km (0.069 R)
• M8: 2,453,405 km (0.088 R)
• M9: 2,747,215 km (0.096 R)
• M10: 3,304,168 km (0.099 R)
• M11: 3,571,500 km (0.109 R)
• M12: 3,901,812 km (0.092 R)
• M13: 4,587,419 km (0.027 R)
• M14: 6,240,924 km (0.111 R)
• M15: 7,576,534 km (0.071 R)
• M16: 9,531,479 km (0.108 R)
• M17: 10,996,939 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.6

Radius: 10.2

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.05 AU - 2.05 AU

Year: 1957 Days

Day: 12.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,072,592 km

• M1: 127,308 km (0.062 R)
• M2: 538,104 km (0.036 R)
• M3: 1,083,837 km (0.088 R)
• M4: 1,893,161 km (0.03 R)
• M5: 2,235,740 km (0.1 R)
• M6: 3,262,730 km (0.094 R)
• M7: 3,741,144 km (0.104 R)
• M8: 4,409,846 km (0.103 R)
• M9: 5,018,859 km (0.109 R)
• M10: 5,609,023 km (0.071 R)
• M11: 6,351,028 km (0.093 R)
• M12: 7,070,594 km (0.091 R)
• M13: 7,660,458 km (0.103 R)
• M14: 9,039,601 km (0.115 R)
• M15: 9,592,963 km (0.09 R)
• M16: 11,349,691 km (0.058 R)
• M17: 15,246,865 km (0.093 R)
• M18: 16,586,066 km (0.12 R)
• M19: 17,415,885 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152.8

Radius: 4

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.24 AU - 6.76 AU

Year: 11051 Days

Day: 16.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,072,592 km

• M1: 72,405 km (0.072 R)
• M2: 297,999 km (0.08 R)
• M3: 540,348 km (0.098 R)
• M4: 887,415 km (0.03 R)
• M5: 1,334,712 km (0.091 R)
• M6: 2,728,665 km (0.08 R)
• M7: 3,209,323 km (0.064 R)
• M8: 3,395,572 km (0.043 R)
• M9: 3,567,161 km (0.054 R)
• M10: 4,411,791 km (0.063 R)
• M11: 5,155,143 km (0.107 R)
• M12: 5,916,745 km (0.118 R)
• M13: 8,374,339 km (0.083 R)
• M14: 8,727,689 km (0.106 R)
• M15: 10,196,740 km (0.103 R)
• M16: 11,247,217 km (0.116 R)
• M17: 13,033,116 km (0.116 R)
• M18: 17,217,369 km (0.108 R)
• M19: 18,634,808 km (0.059 R)
• M20: 23,815,083 km (0.118 R)
• M21: 28,538,935 km (0.095 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 13,048 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit