🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.5

Radius: 9.5

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.55 AU - 0.83 AU

Year: 396 Days

Day: 14.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,947,429 km

• M1: 118,182 km (0.074 R)
• M2: 490,083 km (0.103 R)
• M3: 1,059,751 km (0.057 R)
• M4: 1,494,034 km (0.035 R)
• M5: 1,826,291 km (0.11 R)
• M6: 2,144,934 km (0.109 R)
• M7: 2,848,194 km (0.061 R)
• M8: 3,290,704 km (0.105 R)
• M9: 3,640,913 km (0.08 R)
• M10: 4,113,642 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.3

Radius: 12.5

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.68 AU - 1.04 AU

Year: 551 Days

Day: 9.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,947,429 km

• M1: 155,432 km (0.111 R)
• M2: 557,701 km (0.114 R)
• M3: 1,072,916 km (0.105 R)
• M4: 1,676,394 km (0.095 R)
• M5: 2,480,183 km (0.077 R)
• M6: 3,212,465 km (0.074 R)
• M7: 4,342,677 km (0.028 R)
• M8: 5,154,395 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.6

Radius: 10.5

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.03 AU - 1.19 AU

Year: 807 Days

Day: 6.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,947,429 km

• M1: 130,749 km (0.095 R)
• M2: 544,237 km (0.072 R)
• M3: 923,019 km (0.064 R)
• M4: 1,335,460 km (0.092 R)
• M5: 1,777,821 km (0.088 R)
• M6: 2,141,643 km (0.097 R)
• M7: 2,555,431 km (0.117 R)
• M8: 3,668,738 km (0.074 R)
• M9: 4,039,890 km (0.105 R)
• M10: 4,547,177 km (0.041 R)
• M11: 4,908,755 km (0.051 R)
• M12: 5,271,679 km (0.093 R)
• M13: 5,840,450 km (0.058 R)
• M14: 6,907,233 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.2

Radius: 9.6

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.07 AU - 1.47 AU

Year: 988 Days

Day: 8.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,947,429 km

• M1: 119,379 km (0.082 R)
• M2: 448,345 km (0.104 R)
• M3: 1,072,916 km (0.071 R)
• M4: 1,386,922 km (0.117 R)
• M5: 2,185,924 km (0.102 R)
• M6: 3,165,790 km (0.056 R)
• M7: 3,731,120 km (0.079 R)
• M8: 4,038,245 km (0.106 R)
• M9: 4,630,353 km (0.104 R)
• M10: 5,082,288 km (0.064 R)
• M11: 5,965,963 km (0.081 R)
• M12: 8,169,091 km (0.109 R)
• M13: 9,087,472 km (0.083 R)
• M14: 10,042,206 km (0.102 R)
• M15: 10,736,490 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.6

Radius: 10.6

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.1 AU - 1.48 AU

Year: 1011 Days

Day: 5 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,947,429 km

• M1: 131,945 km (0.11 R)
• M2: 550,969 km (0.088 R)
• M3: 1,015,919 km (0.035 R)
• M4: 1,385,127 km (0.028 R)
• M5: 1,790,986 km (0.08 R)
• M6: 2,142,092 km (0.035 R)
• M7: 2,471,806 km (0.08 R)
• M8: 2,848,044 km (0.084 R)
• M9: 4,038,395 km (0.11 R)
• M10: 4,632,448 km (0.108 R)
• M11: 5,933,949 km (0.037 R)
• M12: 7,464,635 km (0.042 R)
• M13: 8,181,059 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.3

Radius: 9.5

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.21 AU - 4.91 AU

Year: 6721 Days

Day: 9.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,947,429 km

• M1: 119,977 km (0.037 R)
• M2: 2,188,318 km (0.112 R)
• M3: 2,517,283 km (0.083 R)
• M4: 3,147,240 km (0.115 R)
• M5: 3,781,535 km (0.115 R)
• M6: 4,206,692 km (0.115 R)
• M7: 4,635,739 km (0.079 R)
• M8: 7,386,694 km (0.064 R)
• M9: 7,852,991 km (0.111 R)
• M10: 9,192,939 km (0.042 R)
• M11: 9,963,966 km (0.119 R)
• M12: 12,212,721 km (0.09 R)
• M13: 13,032,069 km (0.106 R)
• M14: 17,347,219 km (0.047 R)
• M15: 18,311,827 km (0.108 R)
• M16: 20,347,704 km (0.097 R)
• M17: 26,178,431 km (0.11 R)
• M18: 27,080,207 km (0.118 R)
• M19: 28,095,677 km (0.111 R)
• M20: 36,037,678 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.4

Radius: 3

Gravity: 51.71 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 5.59 AU - 7.37 AU

Year: 11386 Days

Day: 21.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,947,429 km

• M1: 57,446 km (0.044 R)
• M2: 180,116 km (0.092 R)
• M3: 323,281 km (0.06 R)
• M4: 617,989 km (0.108 R)
• M5: 746,045 km (0.075 R)
• M6: 1,088,923 km (0.031 R)
• M7: 1,972,149 km (0.061 R)
• M8: 3,438,657 km (0.074 R)
• M9: 3,816,242 km (0.1 R)
• M10: 6,910,973 km (0.109 R)
• M11: 7,928,388 km (0.097 R)
• M12: 15,316,728 km (0.082 R)
• M13: 15,449,421 km (0.097 R)
• M14: 16,469,080 km (0.12 R)
• M15: 17,750,685 km (0.101 R)
• M16: 25,722,905 km (0.084 R)
• M17: 32,730,967 km (0.108 R)
• M18: 34,179,673 km (0.104 R)
• M19: 35,438,389 km (0.086 R)
• M20: 41,422,005 km (0.097 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: 450 - 10,693 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit