🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.47 AU - 0.67 AU

Year: 157 Days

Day: 24.2 Hours

Environment

Temp: 227 °C

Axial Tilt: 14 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.1

Radius: 9.2

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.3 AU - 6.82 AU

Year: 4789 Days

Day: 10.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 94.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,403,723 km

• M1: 114,442 km (0.108 R)
• M2: 423,811 km (0.089 R)
• M3: 744,549 km (0.105 R)
• M4: 1,035,666 km (0.116 R)
• M5: 1,535,772 km (0.1 R)
• M6: 2,132,817 km (0.115 R)
• M7: 2,877,216 km (0.053 R)
• M8: 3,377,920 km (0.097 R)
• M9: 3,806,667 km (0.09 R)
• M10: 4,773,518 km (0.051 R)
• M11: 5,953,397 km (0.072 R)
• M12: 6,457,841 km (0.101 R)
• M13: 6,799,223 km (0.106 R)
• M14: 8,072,600 km (0.105 R)
• M15: 8,691,038 km (0.106 R)
• M16: 9,379,936 km (0.076 R)
• M17: 9,737,774 km (0.096 R)
• M18: 10,187,615 km (0.104 R)
• M19: 10,565,798 km (0.05 R)
• M20: 11,350,439 km (0.072 R)
• M21: 13,084,578 km (0.084 R)
• M22: 13,683,119 km (0.077 R)
• M23: 14,562,156 km (0.087 R)
• M24: 16,489,874 km (0.075 R)
• M25: 16,894,836 km (0.119 R)
• M26: 17,604,677 km (0.063 R)
• M27: 18,272,632 km (0.076 R)
• M28: 22,077,205 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.9

Radius: 12.1

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.42 AU - 9.58 AU

Year: 9051 Days

Day: 9.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,403,723 km

• M1: 150,495 km (0.112 R)
• M2: 794,215 km (0.098 R)
• M3: 1,216,979 km (0.068 R)
• M4: 2,584,004 km (0.089 R)
• M5: 3,039,081 km (0.102 R)
• M6: 3,934,873 km (0.073 R)
• M7: 4,377,084 km (0.098 R)
• M8: 4,823,634 km (0.092 R)
• M9: 5,331,369 km (0.058 R)
• M10: 6,560,764 km (0.109 R)
• M11: 8,812,511 km (0.097 R)
• M12: 9,573,665 km (0.119 R)
• M13: 10,185,072 km (0.049 R)
• M14: 16,380,817 km (0.113 R)
• M15: 18,021,008 km (0.111 R)
• M16: 20,298,187 km (0.063 R)
• M17: 25,594,999 km (0.12 R)
• M18: 28,368,394 km (0.087 R)
• M19: 29,827,721 km (0.059 R)
• M20: 32,895,375 km (0.084 R)
• M21: 34,833,715 km (0.025 R)
• M22: 35,274,580 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.8

Radius: 8.3

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 9.02 AU - 12.9 AU

Year: 13253 Days

Day: 13.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 172.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,403,723 km

• M1: 104,419 km (0.099 R)
• M2: 521,199 km (0.094 R)
• M3: 868,416 km (0.106 R)
• M4: 1,535,323 km (0.109 R)
• M5: 1,861,147 km (0.1 R)
• M6: 2,176,799 km (0.11 R)
• M7: 2,696,502 km (0.108 R)
• M8: 3,954,171 km (0.096 R)
• M9: 4,602,827 km (0.083 R)
• M10: 4,952,886 km (0.093 R)
• M11: 5,424,120 km (0.084 R)
• M12: 5,815,019 km (0.065 R)
• M13: 6,148,772 km (0.084 R)
• M14: 7,018,683 km (0.111 R)
• M15: 8,855,296 km (0.115 R)
• M16: 12,511,169 km (0.1 R)
• M17: 13,194,682 km (0.097 R)
• M18: 15,962,542 km (0.119 R)
• M19: 17,065,228 km (0.118 R)
• M20: 17,905,668 km (0.073 R)
• M21: 18,693,152 km (0.046 R)
• M22: 20,001,086 km (0.077 R)
• M23: 21,021,343 km (0.087 R)
• M24: 24,962,649 km (0.109 R)
• M25: 25,746,691 km (0.052 R)
• M26: 29,804,982 km (0.11 R)
• M27: 32,851,992 km (0.112 R)
• M28: 40,756,593 km (0.109 R)
• M29: 41,706,241 km (0.032 R)
• M30: 48,015,681 km (0.111 R)
• M31: 49,686,838 km (0.051 R)
• M32: 50,770,376 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 410.3

Radius: 3.9

Gravity: 26.98 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 10.48 AU - 16.68 AU

Year: 18278 Days

Day: 17.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,403,723 km

• M1: 65,075 km (0.114 R)
• M2: 334,650 km (0.111 R)
• M3: 591,660 km (0.12 R)
• M4: 991,535 km (0.077 R)
• M5: 1,303,745 km (0.112 R)
• M6: 1,710,951 km (0.12 R)
• M7: 2,935,409 km (0.1 R)
• M8: 3,601,270 km (0.115 R)
• M9: 3,824,918 km (0.094 R)
• M10: 4,238,706 km (0.108 R)
• M11: 7,775,349 km (0.116 R)
• M12: 9,034,066 km (0.05 R)
• M13: 11,050,346 km (0.097 R)
• M14: 11,284,766 km (0.062 R)
• M15: 12,069,855 km (0.087 R)
• M16: 14,156,297 km (0.046 R)
• M17: 17,638,038 km (0.11 R)
• M18: 24,605,110 km (0.104 R)
• M19: 24,804,524 km (0.082 R)
• M20: 26,334,312 km (0.084 R)
• M21: 26,752,737 km (0.119 R)
• M22: 28,580,224 km (0.045 R)
• M23: 33,693,031 km (0.098 R)
• M24: 39,382,836 km (0.099 R)
• M25: 40,343,255 km (0.114 R)
• M26: 42,168,199 km (0.085 R)
• M27: 46,588,068 km (0.083 R)
• M28: 54,285,627 km (0.067 R)
• M29: 54,962,856 km (0.118 R)
• M30: 57,202,785 km (0.083 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 10,929 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit