🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.5

Radius: 12.8

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.6 AU - 0.92 AU

Year: 466 Days

Day: 14.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,558,940 km

• M1: 159,172 km (0.047 R)
• M2: 602,281 km (0.096 R)
• M3: 1,180,327 km (0.106 R)
• M4: 1,635,105 km (0.087 R)
• M5: 2,653,268 km (0.118 R)
• M6: 3,680,856 km (0.07 R)
• M7: 4,773,219 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.9

Radius: 12.7

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.12 AU - 1.12 AU

Year: 833 Days

Day: 9.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,558,940 km

• M1: 157,975 km (0.032 R)
• M2: 702,212 km (0.092 R)
• M3: 2,565,155 km (0.078 R)
• M4: 3,237,148 km (0.117 R)
• M5: 3,633,732 km (0.105 R)
• M6: 4,414,184 km (0.113 R)
• M7: 5,070,470 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666

Radius: 8.3

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.29 AU - 1.83 AU

Year: 1370 Days

Day: 10.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,558,940 km

• M1: 104,569 km (0.049 R)
• M2: 398,978 km (0.109 R)
• M3: 898,186 km (0.086 R)
• M4: 1,435,840 km (0.112 R)
• M5: 1,934,749 km (0.03 R)
• M6: 3,307,310 km (0.114 R)
• M7: 3,733,664 km (0.116 R)
• M8: 4,037,946 km (0.098 R)
• M9: 4,304,080 km (0.115 R)
• M10: 4,852,207 km (0.106 R)
• M11: 5,510,288 km (0.076 R)
• M12: 6,226,263 km (0.071 R)
• M13: 6,704,378 km (0.062 R)
• M14: 7,181,147 km (0.101 R)
• M15: 7,467,327 km (0.083 R)
• M16: 9,074,607 km (0.07 R)
• M17: 10,866,191 km (0.115 R)
• M18: 11,630,486 km (0.096 R)
• M19: 12,171,881 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.3

Radius: 14

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.87 AU - 2.09 AU

Year: 1958 Days

Day: 14.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,558,940 km

• M1: 175,329 km (0.048 R)
• M2: 737,817 km (0.117 R)
• M3: 1,190,201 km (0.099 R)
• M4: 1,785,899 km (0.108 R)
• M5: 2,231,252 km (0.091 R)
• M6: 2,711,162 km (0.105 R)
• M7: 3,168,782 km (0.107 R)
• M8: 4,150,892 km (0.063 R)
• M9: 4,926,108 km (0.09 R)
• M10: 5,569,379 km (0.116 R)
• M11: 6,563,756 km (0.103 R)
• M12: 7,103,804 km (0.074 R)
• M13: 8,421,014 km (0.102 R)
• M14: 10,298,018 km (0.105 R)
• M15: 12,363,067 km (0.047 R)
• M16: 12,830,710 km (0.1 R)
• M17: 13,269,930 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.6

Radius: 12.1

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.92 AU - 2.1 AU

Year: 2003 Days

Day: 8.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,558,940 km

• M1: 150,495 km (0.117 R)
• M2: 558,449 km (0.074 R)
• M3: 1,073,514 km (0.112 R)
• M4: 1,506,451 km (0.08 R)
• M5: 1,922,781 km (0.05 R)
• M6: 2,311,287 km (0.113 R)
• M7: 2,953,361 km (0.117 R)
• M8: 4,357,337 km (0.096 R)
• M9: 6,851,283 km (0.039 R)
• M10: 8,486,837 km (0.077 R)
• M11: 12,006,576 km (0.025 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.9

Radius: 10.8

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.54 AU - 3.04 AU

Year: 3276 Days

Day: 5.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,558,940 km

• M1: 134,788 km (0.095 R)
• M2: 527,781 km (0.1 R)
• M3: 901,178 km (0.082 R)
• M4: 1,289,683 km (0.102 R)
• M5: 1,720,525 km (0.081 R)
• M6: 2,587,744 km (0.092 R)
• M7: 4,968,744 km (0.119 R)
• M8: 6,982,929 km (0.063 R)
• M9: 7,618,571 km (0.075 R)
• M10: 12,138,371 km (0.062 R)
• M11: 14,726,564 km (0.112 R)
• M12: 16,478,056 km (0.037 R)
• M13: 19,084,500 km (0.092 R)
• M14: 22,765,954 km (0.107 R)

Asteroid Belt

Center: 3.63 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297

Radius: 9.3

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.84 AU - 5.08 AU

Year: 6621 Days

Day: 9.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,558,940 km

• M1: 115,639 km (0.096 R)
• M2: 495,019 km (0.11 R)
• M3: 834,607 km (0.079 R)
• M4: 1,147,416 km (0.079 R)
• M5: 1,645,427 km (0.073 R)
• M6: 2,007,005 km (0.105 R)
• M7: 2,312,783 km (0.057 R)
• M8: 2,874,972 km (0.11 R)
• M9: 3,546,068 km (0.081 R)
• M10: 3,996,657 km (0.091 R)
• M11: 5,305,638 km (0.108 R)
• M12: 7,242,482 km (0.031 R)
• M13: 10,021,113 km (0.041 R)
• M14: 10,573,727 km (0.1 R)
• M15: 11,786,218 km (0.102 R)
• M16: 12,257,900 km (0.047 R)
• M17: 14,646,230 km (0.087 R)
• M18: 16,035,396 km (0.106 R)
• M19: 18,000,813 km (0.044 R)
• M20: 19,332,234 km (0.093 R)
• M21: 22,692,052 km (0.089 R)
• M22: 22,982,422 km (0.058 R)
• M23: 23,422,688 km (0.102 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: 366 - 14,106 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit