🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.8

Radius: 13.7

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.89 AU - 0.91 AU

Year: 579 Days

Day: 8.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,461,760 km

• M1: 170,392 km (0.064 R)
• M2: 779,854 km (0.095 R)
• M3: 1,286,093 km (0.105 R)
• M4: 1,818,661 km (0.091 R)
• M5: 2,368,433 km (0.097 R)
• M6: 3,110,439 km (0.112 R)
• M7: 3,634,031 km (0.109 R)
• M8: 4,319,190 km (0.116 R)
• M9: 4,790,273 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.4

Radius: 13.6

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.87 AU - 1.19 AU

Year: 709 Days

Day: 11.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,461,760 km

• M1: 169,345 km (0.115 R)
• M2: 613,052 km (0.114 R)
• M3: 1,191,248 km (0.106 R)
• M4: 1,663,828 km (0.115 R)
• M5: 2,526,409 km (0.101 R)
• M6: 4,217,164 km (0.092 R)
• M7: 4,712,333 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.4

Radius: 14.8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.17 AU - 2.37 AU

Year: 2320 Days

Day: 12.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,461,760 km

• M1: 184,005 km (0.119 R)
• M2: 657,333 km (0.075 R)
• M3: 1,165,667 km (0.085 R)
• M4: 1,634,207 km (0.103 R)
• M5: 3,374,928 km (0.12 R)
• M6: 4,554,657 km (0.095 R)
• M7: 5,528,838 km (0.103 R)
• M8: 6,066,044 km (0.111 R)
• M9: 7,578,030 km (0.081 R)
• M10: 8,302,383 km (0.092 R)
• M11: 8,914,836 km (0.029 R)
• M12: 9,524,597 km (0.083 R)
• M13: 10,756,237 km (0.084 R)
• M14: 14,169,611 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.5

Radius: 3.4

Gravity: 64.32 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.21 AU - 8.55 AU

Year: 13598 Days

Day: 23.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,461,760 km

• M1: 114,293 km (0.095 R)
• M2: 230,381 km (0.096 R)
• M3: 344,374 km (0.101 R)
• M4: 483,500 km (0.081 R)
• M5: 694,433 km (0.065 R)
• M6: 1,020,706 km (0.113 R)
• M7: 1,271,582 km (0.073 R)
• M8: 1,706,463 km (0.074 R)
• M9: 2,459,090 km (0.041 R)
• M10: 2,610,632 km (0.094 R)
• M11: 2,768,309 km (0.1 R)
• M12: 3,077,976 km (0.064 R)
• M13: 3,357,575 km (0.088 R)
• M14: 4,812,564 km (0.077 R)
• M15: 5,259,562 km (0.117 R)
• M16: 5,621,738 km (0.12 R)
• M17: 5,846,883 km (0.111 R)
• M18: 6,078,012 km (0.083 R)
• M19: 6,517,530 km (0.12 R)
• M20: 7,685,740 km (0.107 R)
• M21: 8,537,700 km (0.106 R)
• M22: 10,039,812 km (0.046 R)
• M23: 12,014,654 km (0.105 R)
• M24: 14,233,938 km (0.11 R)
• M25: 15,366,843 km (0.072 R)
• M26: 17,571,018 km (0.052 R)
• M27: 22,312,971 km (0.114 R)
• M28: 23,257,831 km (0.086 R)
• M29: 30,172,095 km (0.049 R)
• M30: 31,093,169 km (0.119 R)
• M31: 31,914,462 km (0.09 R)
• M32: 32,390,033 km (0.074 R)
• M33: 33,968,740 km (0.049 R)
• M34: 38,338,494 km (0.049 R)
• M35: 44,235,043 km (0.088 R)
• M36: 47,861,445 km (0.09 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 11,942 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit