🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.7

Radius: 9.4

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.46 AU - 0.66 AU

Year: 289 Days

Day: 6.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,625,295 km

• M1: 116,836 km (0.117 R)
• M2: 450,140 km (0.077 R)
• M3: 988,244 km (0.116 R)
• M4: 1,522,757 km (0.106 R)
• M5: 1,834,668 km (0.112 R)
• M6: 2,391,621 km (0.04 R)
• M7: 2,782,670 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.1

Radius: 14.8

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.9 AU - 1.18 AU

Year: 732 Days

Day: 9.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,625,295 km

• M1: 184,005 km (0.057 R)
• M2: 667,356 km (0.119 R)
• M3: 1,160,730 km (0.055 R)
• M4: 1,945,371 km (0.095 R)
• M5: 2,407,778 km (0.072 R)
• M6: 3,191,970 km (0.104 R)
• M7: 3,931,731 km (0.113 R)
• M8: 4,470,732 km (0.079 R)
• M9: 5,473,636 km (0.069 R)
• M10: 6,229,255 km (0.097 R)
• M11: 7,164,242 km (0.116 R)
• M12: 8,289,068 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.9

Radius: 13.7

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.83 AU - 2.67 AU

Year: 2330 Days

Day: 8.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,625,295 km

• M1: 170,392 km (0.041 R)
• M2: 596,746 km (0.051 R)
• M3: 1,073,215 km (0.12 R)
• M4: 1,570,478 km (0.103 R)
• M5: 2,163,784 km (0.077 R)
• M6: 2,845,052 km (0.119 R)
• M7: 4,757,960 km (0.097 R)
• M8: 6,810,742 km (0.076 R)
• M9: 7,556,188 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.7

Radius: 11.2

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.2 AU - 3.56 AU

Year: 3374 Days

Day: 6.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,625,295 km

• M1: 139,276 km (0.113 R)
• M2: 551,567 km (0.074 R)
• M3: 1,026,989 km (0.074 R)
• M4: 1,444,816 km (0.114 R)
• M5: 2,540,471 km (0.111 R)
• M6: 3,172,073 km (0.027 R)
• M7: 3,635,976 km (0.094 R)
• M8: 4,013,262 km (0.101 R)
• M9: 4,510,226 km (0.079 R)
• M10: 5,124,475 km (0.057 R)
• M11: 5,627,872 km (0.059 R)
• M12: 6,106,136 km (0.107 R)
• M13: 6,459,935 km (0.097 R)
• M14: 7,471,067 km (0.119 R)
• M15: 7,945,442 km (0.063 R)
• M16: 9,296,610 km (0.066 R)
• M17: 10,752,646 km (0.08 R)
• M18: 12,355,587 km (0.091 R)
• M19: 12,971,781 km (0.098 R)
• M20: 15,974,061 km (0.102 R)
• M21: 16,534,903 km (0.097 R)
• M22: 17,400,776 km (0.116 R)
• M23: 17,994,529 km (0.114 R)
• M24: 19,538,230 km (0.073 R)
• M25: 20,440,455 km (0.12 R)
• M26: 21,505,143 km (0.073 R)
• M27: 22,536,620 km (0.058 R)
• M28: 23,456,946 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.6

Radius: 8.5

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.39 AU - 4.19 AU

Year: 5093 Days

Day: 10.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,625,295 km

• M1: 106,065 km (0.076 R)
• M2: 602,431 km (0.116 R)
• M3: 957,127 km (0.116 R)
• M4: 1,234,930 km (0.089 R)
• M5: 1,716,785 km (0.107 R)
• M6: 3,803,975 km (0.07 R)
• M7: 5,011,828 km (0.119 R)
• M8: 5,572,072 km (0.085 R)
• M9: 6,204,572 km (0.104 R)
• M10: 7,293,943 km (0.07 R)
• M11: 7,576,384 km (0.117 R)
• M12: 9,677,486 km (0.08 R)
• M13: 10,324,048 km (0.105 R)
• M14: 11,895,873 km (0.045 R)
• M15: 12,337,336 km (0.088 R)
• M16: 13,996,227 km (0.079 R)
• M17: 17,124,019 km (0.044 R)
• M18: 17,813,815 km (0.079 R)
• M19: 20,409,488 km (0.08 R)
• M20: 22,495,929 km (0.117 R)
• M21: 23,247,210 km (0.041 R)
• M22: 24,170,678 km (0.078 R)
• M23: 27,596,020 km (0.113 R)
• M24: 28,631,088 km (0.101 R)
• M25: 28,981,745 km (0.073 R)
• M26: 29,246,683 km (0.072 R)
• M27: 30,141,428 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120.8

Radius: 4.1

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.8 AU - 7.9 AU

Year: 11045 Days

Day: 24.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,625,295 km

• M1: 58,194 km (0.111 R)
• M2: 212,728 km (0.093 R)
• M3: 764,744 km (0.1 R)
• M4: 1,177,784 km (0.047 R)
• M5: 1,885,831 km (0.106 R)
• M6: 2,410,919 km (0.04 R)
• M7: 3,382,857 km (0.068 R)
• M8: 3,876,530 km (0.11 R)
• M9: 4,392,193 km (0.107 R)
• M10: 6,431,512 km (0.088 R)
• M11: 8,144,706 km (0.074 R)
• M12: 9,145,666 km (0.104 R)
• M13: 9,592,814 km (0.072 R)
• M14: 11,296,285 km (0.109 R)
• M15: 14,511,143 km (0.102 R)
• M16: 15,007,210 km (0.071 R)
• M17: 15,231,307 km (0.047 R)
• M18: 15,916,914 km (0.116 R)
• M19: 16,503,787 km (0.085 R)
• M20: 17,908,062 km (0.08 R)
• M21: 20,059,130 km (0.103 R)
• M22: 26,136,992 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.4

Radius: 7.4

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 6.46 AU - 9.74 AU

Year: 15913 Days

Day: 21.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,625,295 km

• M1: 93,050 km (0.103 R)
• M2: 389,403 km (0.097 R)
• M3: 657,034 km (0.075 R)
• M4: 1,964,070 km (0.084 R)
• M5: 2,765,616 km (0.075 R)
• M6: 3,530,061 km (0.097 R)
• M7: 4,017,900 km (0.115 R)
• M8: 5,262,853 km (0.03 R)
• M9: 5,826,388 km (0.089 R)
• M10: 6,827,198 km (0.119 R)
• M11: 7,283,472 km (0.1 R)
• M12: 10,953,855 km (0.104 R)
• M13: 11,521,430 km (0.106 R)
• M14: 11,989,372 km (0.116 R)
• M15: 12,715,071 km (0.111 R)
• M16: 13,727,849 km (0.102 R)
• M17: 14,055,169 km (0.107 R)
• M18: 15,486,820 km (0.111 R)
• M19: 17,620,086 km (0.111 R)
• M20: 23,006,357 km (0.083 R)
• M21: 23,936,407 km (0.094 R)
• M22: 24,891,440 km (0.106 R)
• M23: 25,378,232 km (0.1 R)
• M24: 30,050,023 km (0.101 R)
• M25: 31,048,589 km (0.063 R)
• M26: 31,840,411 km (0.034 R)
• M27: 33,228,978 km (0.09 R)
• M28: 42,004,988 km (0.059 R)
• M29: 43,956,193 km (0.059 R)
• M30: 44,382,098 km (0.116 R)
• M31: 47,888,672 km (0.064 R)
• M32: 48,793,290 km (0.114 R)
• M33: 50,636,635 km (0.104 R)
• M34: 50,948,397 km (0.095 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: 277 - 10,967 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit