🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.44 AU - 0.64 AU

Year: 256 Days

Day: 15.8 Hours

Environment

Temp: -121 °C

Axial Tilt: 65.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.6

Radius: 10.5

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.86 AU - 1.02 AU

Year: 588 Days

Day: 9.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,401,806 km

• M1: 130,599 km (0.1 R)
• M2: 589,565 km (0.06 R)
• M3: 1,003,951 km (0.056 R)
• M4: 1,409,362 km (0.102 R)
• M5: 1,747,602 km (0.118 R)
• M6: 2,150,170 km (0.087 R)
• M7: 2,518,779 km (0.066 R)
• M8: 3,219,645 km (0.113 R)
• M9: 4,104,666 km (0.076 R)
• M10: 4,580,537 km (0.102 R)
• M11: 4,940,170 km (0.096 R)
• M12: 5,791,382 km (0.113 R)
• M13: 6,291,638 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.3

Radius: 13.5

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.02 AU - 1.6 AU

Year: 968 Days

Day: 13.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,401,806 km

• M1: 167,998 km (0.094 R)
• M2: 987,795 km (0.101 R)
• M3: 1,437,636 km (0.084 R)
• M4: 2,036,027 km (0.118 R)
• M5: 2,665,535 km (0.111 R)
• M6: 3,155,169 km (0.079 R)
• M7: 3,692,375 km (0.082 R)
• M8: 4,635,440 km (0.042 R)
• M9: 5,061,644 km (0.096 R)
• M10: 5,530,783 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.3

Radius: 8.5

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3 AU - 3.84 AU

Year: 4084 Days

Day: 13.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,401,806 km

• M1: 105,915 km (0.1 R)
• M2: 430,991 km (0.091 R)
• M3: 793,318 km (0.101 R)
• M4: 1,831,228 km (0.067 R)
• M5: 2,631,576 km (0.054 R)
• M6: 5,760,116 km (0.116 R)
• M7: 6,913,516 km (0.067 R)
• M8: 9,096,448 km (0.075 R)
• M9: 11,995,954 km (0.119 R)
• M10: 12,818,294 km (0.068 R)
• M11: 13,631,358 km (0.045 R)
• M12: 14,719,832 km (0.038 R)
• M13: 17,284,388 km (0.073 R)
• M14: 19,775,343 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.2

Radius: 11.7

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.34 AU - 3.64 AU

Year: 4210 Days

Day: 12.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,401,806 km

• M1: 145,559 km (0.093 R)
• M2: 560,094 km (0.106 R)
• M3: 1,116,898 km (0.103 R)
• M4: 1,555,818 km (0.035 R)
• M5: 2,566,800 km (0.097 R)
• M6: 2,982,383 km (0.105 R)
• M7: 3,993,964 km (0.087 R)
• M8: 5,042,645 km (0.089 R)
• M9: 5,672,751 km (0.119 R)
• M10: 8,193,775 km (0.079 R)
• M11: 8,731,729 km (0.078 R)
• M12: 9,255,022 km (0.108 R)
• M13: 9,838,753 km (0.106 R)
• M14: 10,241,470 km (0.105 R)
• M15: 10,739,332 km (0.048 R)
• M16: 11,918,612 km (0.075 R)
• M17: 13,524,096 km (0.104 R)
• M18: 15,376,417 km (0.108 R)
• M19: 16,196,213 km (0.073 R)
• M20: 16,701,854 km (0.105 R)
• M21: 17,276,011 km (0.052 R)
• M22: 18,585,591 km (0.068 R)
• M23: 20,024,273 km (0.049 R)
• M24: 21,134,439 km (0.084 R)
• M25: 21,942,417 km (0.08 R)
• M26: 22,631,465 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.7

Radius: 9.3

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.88 AU - 4.54 AU

Year: 4614 Days

Day: 5.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,401,806 km

• M1: 115,639 km (0.103 R)
• M2: 523,593 km (0.086 R)
• M3: 919,728 km (0.09 R)
• M4: 1,369,120 km (0.099 R)
• M5: 1,691,802 km (0.111 R)
• M6: 2,714,453 km (0.088 R)
• M7: 3,914,079 km (0.075 R)
• M8: 4,527,729 km (0.042 R)
• M9: 5,306,087 km (0.076 R)
• M10: 6,086,090 km (0.094 R)
• M11: 6,697,197 km (0.091 R)
• M12: 8,527,827 km (0.109 R)
• M13: 9,033,019 km (0.049 R)
• M14: 9,789,535 km (0.075 R)
• M15: 10,546,500 km (0.101 R)
• M16: 10,960,438 km (0.025 R)
• M17: 11,909,187 km (0.084 R)
• M18: 12,632,942 km (0.045 R)
• M19: 14,980,432 km (0.083 R)
• M20: 16,093,440 km (0.077 R)
• M21: 17,090,659 km (0.088 R)
• M22: 18,364,784 km (0.094 R)
• M23: 19,453,408 km (0.112 R)
• M24: 22,634,307 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.5

Radius: 3.4

Gravity: 28.42 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 7.71 AU - 7.99 AU

Year: 14201 Days

Day: 24.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 47,401,806 km

• M1: 42,336 km (0.071 R)
• M2: 156,180 km (0.111 R)
• M3: 304,880 km (0.12 R)
• M4: 480,808 km (0.1 R)
• M5: 855,550 km (0.071 R)
• M6: 1,081,892 km (0.06 R)
• M7: 2,641,001 km (0.104 R)
• M8: 2,851,635 km (0.109 R)
• M9: 3,677,864 km (0.054 R)
• M10: 3,967,485 km (0.09 R)
• M11: 4,131,893 km (0.117 R)
• M12: 4,652,045 km (0.104 R)
• M13: 5,856,308 km (0.071 R)
• M14: 7,624,704 km (0.046 R)
• M15: 8,314,949 km (0.063 R)
• M16: 9,234,976 km (0.109 R)
• M17: 11,384,099 km (0.085 R)
• M18: 11,828,105 km (0.037 R)
• M19: 12,809,766 km (0.101 R)
• M20: 13,108,513 km (0.088 R)
• M21: 13,844,535 km (0.047 R)
• M22: 14,032,729 km (0.049 R)
• M23: 14,159,139 km (0.073 R)
• M24: 16,147,744 km (0.047 R)
• M25: 18,164,772 km (0.118 R)
• M26: 19,783,271 km (0.11 R)
• M27: 20,424,298 km (0.105 R)
• M28: 22,002,107 km (0.118 R)
• M29: 31,878,409 km (0.108 R)
• M30: 34,567,430 km (0.112 R)
• M31: 35,379,298 km (0.109 R)
• M32: 41,551,407 km (0.099 R)
• M33: 44,073,029 km (0.091 R)
• M34: 45,027,314 km (0.113 R)
• M35: 46,134,637 km (0.109 R)
• M36: 46,835,802 km (0.081 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 11,969 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit