🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.2

Radius: 10.5

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.47 AU - 0.57 AU

Year: 250 Days

Day: 5.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,077,148 km

• M1: 130,599 km (0.105 R)
• M2: 503,247 km (0.097 R)
• M3: 831,315 km (0.037 R)
• M4: 1,198,578 km (0.069 R)
• M5: 1,694,345 km (0.088 R)
• M6: 2,109,779 km (0.079 R)
• M7: 3,083,661 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.9

Radius: 14.9

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.59 AU - 0.87 AU

Year: 416 Days

Day: 8.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,077,148 km

• M1: 185,352 km (0.119 R)
• M2: 708,944 km (0.082 R)
• M3: 1,654,403 km (0.117 R)
• M4: 2,162,886 km (0.096 R)
• M5: 2,731,208 km (0.037 R)
• M6: 3,325,710 km (0.113 R)
• M7: 4,248,879 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.5

Radius: 14.1

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.88 AU - 1.14 AU

Year: 677 Days

Day: 12.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 61,077,148 km

• M1: 175,329 km (0.092 R)
• M2: 737,518 km (0.108 R)
• M3: 1,532,181 km (0.098 R)
• M4: 1,972,298 km (0.107 R)
• M5: 2,491,253 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.8

Radius: 11.1

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.13 AU - 1.79 AU

Year: 1176 Days

Day: 5.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,077,148 km

• M1: 139,724 km (0.118 R)
• M2: 519,553 km (0.087 R)
• M3: 943,065 km (0.109 R)
• M4: 1,413,700 km (0.077 R)
• M5: 1,834,818 km (0.082 R)
• M6: 2,582,059 km (0.038 R)
• M7: 3,005,571 km (0.078 R)
• M8: 3,926,047 km (0.085 R)
• M9: 4,488,983 km (0.082 R)
• M10: 4,906,810 km (0.118 R)
• M11: 5,288,285 km (0.076 R)
• M12: 6,180,038 km (0.096 R)
• M13: 7,477,650 km (0.066 R)
• M14: 8,628,805 km (0.101 R)
• M15: 9,037,806 km (0.09 R)
• M16: 9,429,004 km (0.112 R)
• M17: 10,506,109 km (0.088 R)
• M18: 11,734,008 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38

Radius: 14.8

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.21 AU - 1.87 AU

Year: 1274 Days

Day: 5.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,077,148 km

• M1: 184,305 km (0.115 R)
• M2: 688,150 km (0.11 R)
• M3: 1,885,083 km (0.105 R)
• M4: 2,626,191 km (0.079 R)
• M5: 3,611,891 km (0.048 R)
• M6: 4,342,527 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.5

Radius: 12.8

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.18 AU - 3.76 AU

Year: 4310 Days

Day: 13.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,077,148 km

• M1: 159,172 km (0.056 R)
• M2: 679,025 km (0.083 R)
• M3: 1,238,820 km (0.101 R)
• M4: 1,763,609 km (0.105 R)
• M5: 2,483,773 km (0.119 R)
• M6: 3,433,271 km (0.084 R)
• M7: 3,880,120 km (0.086 R)
• M8: 5,432,647 km (0.101 R)
• M9: 6,318,116 km (0.108 R)
• M10: 7,787,916 km (0.038 R)
• M11: 8,263,038 km (0.055 R)
• M12: 8,757,609 km (0.104 R)
• M13: 10,936,502 km (0.104 R)
• M14: 12,592,999 km (0.095 R)
• M15: 13,300,447 km (0.028 R)
• M16: 15,697,604 km (0.078 R)
• M17: 19,082,704 km (0.107 R)
• M18: 20,632,688 km (0.036 R)
• M19: 21,545,085 km (0.107 R)
• M20: 22,410,958 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.1

Radius: 14.1

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.75 AU - 5.91 AU

Year: 7079 Days

Day: 9 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,077,148 km

• M1: 175,777 km (0.109 R)
• M2: 773,870 km (0.059 R)
• M3: 1,294,321 km (0.095 R)
• M4: 1,801,607 km (0.111 R)
• M5: 3,133,477 km (0.075 R)
• M6: 3,951,777 km (0.115 R)
• M7: 7,000,881 km (0.102 R)
• M8: 8,092,048 km (0.104 R)
• M9: 8,598,886 km (0.081 R)
• M10: 9,335,805 km (0.115 R)
• M11: 10,338,260 km (0.029 R)
• M12: 11,556,585 km (0.097 R)
• M13: 12,660,468 km (0.065 R)
• M14: 15,429,824 km (0.081 R)
• M15: 16,028,813 km (0.109 R)
• M16: 20,095,183 km (0.063 R)
• M17: 20,809,961 km (0.111 R)
• M18: 26,297,510 km (0.08 R)
• M19: 27,326,295 km (0.067 R)
• M20: 29,009,869 km (0.107 R)
• M21: 29,464,049 km (0.068 R)
• M22: 31,329,085 km (0.03 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.4

Radius: 7.7

Gravity: 12.64 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.08 AU - 8.96 AU

Year: 13752 Days

Day: 23 Hours

Environment

Temp: -236 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,077,148 km

• M1: 95,743 km (0.108 R)
• M2: 628,909 km (0.058 R)
• M3: 1,230,592 km (0.1 R)
• M4: 2,556,628 km (0.058 R)
• M5: 3,209,772 km (0.093 R)
• M6: 3,602,915 km (0.098 R)
• M7: 3,940,258 km (0.04 R)
• M8: 4,549,570 km (0.105 R)
• M9: 4,810,170 km (0.048 R)
• M10: 5,255,074 km (0.036 R)
• M11: 5,878,000 km (0.107 R)
• M12: 7,996,156 km (0.065 R)
• M13: 8,571,659 km (0.109 R)
• M14: 11,152,970 km (0.06 R)
• M15: 14,211,499 km (0.074 R)
• M16: 16,842,775 km (0.07 R)
• M17: 18,191,400 km (0.119 R)
• M18: 18,850,379 km (0.097 R)
• M19: 19,185,777 km (0.102 R)
• M20: 23,624,047 km (0.072 R)
• M21: 26,654,301 km (0.059 R)
• M22: 28,371,835 km (0.089 R)
• M23: 32,026,062 km (0.107 R)
• M24: 33,965,598 km (0.107 R)
• M25: 34,337,798 km (0.041 R)
• M26: 34,587,327 km (0.101 R)
• M27: 39,154,550 km (0.079 R)
• M28: 44,108,184 km (0.095 R)
• M29: 45,146,543 km (0.089 R)
• M30: 51,069,871 km (0.091 R)
• M31: 57,140,253 km (0.085 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 15,232 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit