🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.9

Radius: 9.5

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.48 AU - 0.74 AU

Year: 329 Days

Day: 7.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,528,908 km

• M1: 118,182 km (0.071 R)
• M2: 422,464 km (0.114 R)
• M3: 741,257 km (0.056 R)
• M4: 1,433,447 km (0.118 R)
• M5: 1,979,778 km (0.085 R)
• M6: 2,389,228 km (0.101 R)
• M7: 2,835,777 km (0.046 R)
• M8: 3,768,520 km (0.1 R)
• M9: 4,100,926 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.4

Radius: 14

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.72 AU - 0.8 AU

Year: 457 Days

Day: 12.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,528,908 km

• M1: 174,132 km (0.102 R)
• M2: 734,077 km (0.096 R)
• M3: 1,311,824 km (0.092 R)
• M4: 1,917,546 km (0.099 R)
• M5: 2,493,497 km (0.089 R)
• M6: 2,944,385 km (0.111 R)
• M7: 3,665,896 km (0.095 R)
• M8: 4,355,093 km (0.113 R)
• M9: 4,793,565 km (0.076 R)
• M10: 5,689,656 km (0.051 R)
• M11: 6,714,401 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.3

Radius: 9

Gravity: 11.1 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.41 AU - 4.79 AU

Year: 6810 Days

Day: 7.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,528,908 km

• M1: 114,293 km (0.107 R)
• M2: 394,190 km (0.099 R)
• M3: 857,345 km (0.102 R)
• M4: 1,342,342 km (0.06 R)
• M5: 1,746,854 km (0.042 R)
• M6: 2,265,510 km (0.079 R)
• M7: 2,685,431 km (0.083 R)
• M8: 4,238,108 km (0.116 R)
• M9: 4,820,193 km (0.11 R)
• M10: 5,940,980 km (0.115 R)
• M11: 6,742,675 km (0.087 R)
• M12: 7,188,776 km (0.114 R)
• M13: 7,773,853 km (0.112 R)
• M14: 13,595,454 km (0.056 R)
• M15: 18,178,834 km (0.041 R)
• M16: 19,264,017 km (0.041 R)
• M17: 19,785,066 km (0.106 R)
• M18: 20,086,955 km (0.078 R)
• M19: 21,246,488 km (0.086 R)
• M20: 23,110,328 km (0.112 R)
• M21: 23,953,611 km (0.1 R)
• M22: 24,992,568 km (0.11 R)
• M23: 25,791,271 km (0.091 R)
• M24: 26,424,220 km (0.03 R)
• M25: 30,341,141 km (0.106 R)
• M26: 38,243,349 km (0.084 R)
• M27: 38,830,072 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.5

Radius: 5.8

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.09 AU - 6.22 AU

Year: 9270 Days

Day: 22 Hours

Environment

Temp: -226 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,528,908 km

• M1: 72,106 km (0.103 R)
• M2: 311,014 km (0.104 R)
• M3: 638,334 km (0.109 R)
• M4: 959,970 km (0.086 R)
• M5: 1,217,577 km (0.098 R)
• M6: 1,451,698 km (0.092 R)
• M7: 1,754,185 km (0.065 R)
• M8: 2,535,086 km (0.06 R)
• M9: 2,901,301 km (0.047 R)
• M10: 3,223,086 km (0.079 R)
• M11: 3,717,507 km (0.066 R)
• M12: 4,453,828 km (0.118 R)
• M13: 4,830,665 km (0.119 R)
• M14: 5,283,198 km (0.104 R)
• M15: 7,622,610 km (0.085 R)
• M16: 8,198,562 km (0.113 R)
• M17: 9,155,988 km (0.078 R)
• M18: 10,706,570 km (0.069 R)
• M19: 12,038,141 km (0.098 R)
• M20: 12,620,226 km (0.073 R)
• M21: 12,818,443 km (0.084 R)
• M22: 14,696,196 km (0.103 R)
• M23: 16,277,894 km (0.074 R)
• M24: 16,512,763 km (0.09 R)
• M25: 17,109,808 km (0.102 R)
• M26: 18,729,354 km (0.057 R)
• M27: 19,908,784 km (0.071 R)
• M28: 21,276,408 km (0.091 R)
• M29: 22,126,273 km (0.091 R)
• M30: 23,146,231 km (0.086 R)
• M31: 26,072,216 km (0.039 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 697.2

Radius: 6.4

Gravity: 17.02 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 8.06 AU - 8.34 AU

Year: 16208 Days

Day: 16.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,528,908 km

• M1: 80,035 km (0.092 R)
• M2: 579,991 km (0.107 R)
• M3: 1,554,023 km (0.11 R)
• M4: 2,381,748 km (0.12 R)
• M5: 4,692,885 km (0.104 R)
• M6: 7,474,358 km (0.079 R)
• M7: 14,576,667 km (0.105 R)
• M8: 15,763,576 km (0.113 R)
• M9: 16,070,102 km (0.094 R)
• M10: 23,963,185 km (0.071 R)
• M11: 24,266,719 km (0.109 R)
• M12: 31,734,645 km (0.116 R)
• M13: 34,743,507 km (0.119 R)
• M14: 42,197,819 km (0.114 R)
• M15: 44,139,151 km (0.095 R)
• M16: 45,208,776 km (0.065 R)
• M17: 54,919,772 km (0.078 R)
• M18: 66,130,936 km (0.119 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 15,535 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit