🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.5

Radius: 13.9

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.53 AU - 0.67 AU

Year: 315 Days

Day: 9 Hours

Environment

Temp: -146 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,389,892 km

• M1: 173,982 km (0.115 R)
• M2: 712,535 km (0.114 R)
• M3: 1,593,217 km (0.106 R)
• M4: 2,222,276 km (0.08 R)
• M5: 2,862,256 km (0.097 R)
• M6: 3,324,364 km (0.071 R)
• M7: 4,106,162 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.9

Radius: 9.1

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.62 AU - 0.66 AU

Year: 347 Days

Day: 11.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,389,892 km

• M1: 113,246 km (0.084 R)
• M2: 452,534 km (0.106 R)
• M3: 764,296 km (0.069 R)
• M4: 1,092,962 km (0.102 R)
• M5: 1,460,075 km (0.113 R)
• M6: 1,747,303 km (0.113 R)
• M7: 2,032,885 km (0.087 R)
• M8: 2,385,188 km (0.104 R)
• M9: 2,758,435 km (0.095 R)
• M10: 3,170,577 km (0.112 R)
• M11: 3,755,206 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.9

Radius: 8.8

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.15 AU - 1.79 AU

Year: 1209 Days

Day: 8.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 94.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,389,892 km

• M1: 113,395 km (0.085 R)
• M2: 405,410 km (0.118 R)
• M3: 780,153 km (0.065 R)
• M4: 1,063,641 km (0.105 R)
• M5: 1,442,423 km (0.078 R)
• M6: 2,307,697 km (0.079 R)
• M7: 2,908,931 km (0.084 R)
• M8: 3,643,007 km (0.072 R)
• M9: 4,275,358 km (0.074 R)
• M10: 4,627,511 km (0.071 R)
• M11: 5,647,768 km (0.1 R)
• M12: 6,118,403 km (0.101 R)
• M13: 7,960,551 km (0.116 R)
• M14: 8,352,049 km (0.049 R)
• M15: 8,874,445 km (0.09 R)
• M16: 9,356,748 km (0.078 R)
• M17: 10,242,966 km (0.092 R)
• M18: 10,841,507 km (0.098 R)
• M19: 11,149,380 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.1

Radius: 12

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.58 AU - 1.72 AU

Year: 1438 Days

Day: 8.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,389,892 km

• M1: 149,299 km (0.04 R)
• M2: 662,868 km (0.079 R)
• M3: 1,054,067 km (0.074 R)
• M4: 2,113,519 km (0.044 R)
• M5: 2,674,062 km (0.09 R)
• M6: 3,135,871 km (0.095 R)
• M7: 3,634,480 km (0.1 R)
• M8: 4,007,577 km (0.086 R)
• M9: 4,406,405 km (0.093 R)
• M10: 5,137,640 km (0.116 R)
• M11: 6,567,047 km (0.057 R)
• M12: 7,176,359 km (0.088 R)
• M13: 8,018,745 km (0.114 R)
• M14: 9,109,164 km (0.106 R)
• M15: 10,702,232 km (0.101 R)
• M16: 11,119,161 km (0.11 R)
• M17: 11,875,079 km (0.095 R)
• M18: 12,284,528 km (0.043 R)
• M19: 12,974,923 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.5

Radius: 10.1

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.98 AU - 2.14 AU

Year: 2005 Days

Day: 13.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,389,892 km

• M1: 126,261 km (0.119 R)
• M2: 582,534 km (0.118 R)
• M3: 953,088 km (0.104 R)
• M4: 1,474,885 km (0.078 R)
• M5: 1,919,490 km (0.096 R)
• M6: 2,514,591 km (0.118 R)
• M7: 3,568,956 km (0.112 R)
• M8: 4,341,031 km (0.082 R)
• M9: 5,825,491 km (0.079 R)
• M10: 6,145,032 km (0.064 R)
• M11: 6,745,069 km (0.087 R)
• M12: 7,252,654 km (0.101 R)
• M13: 7,923,002 km (0.117 R)
• M14: 9,141,327 km (0.083 R)
• M15: 12,501,146 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94.2

Radius: 4

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.57 AU - 6.97 AU

Year: 9401 Days

Day: 21.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,389,892 km

• M1: 49,966 km (0.027 R)
• M2: 197,320 km (0.105 R)
• M3: 461,360 km (0.066 R)
• M4: 748,737 km (0.113 R)
• M5: 878,140 km (0.107 R)
• M6: 1,074,262 km (0.077 R)
• M7: 1,249,890 km (0.102 R)
• M8: 1,682,677 km (0.101 R)
• M9: 1,946,717 km (0.063 R)
• M10: 2,854,327 km (0.081 R)
• M11: 3,885,057 km (0.096 R)
• M12: 4,277,751 km (0.067 R)
• M13: 5,534,074 km (0.086 R)
• M14: 5,778,667 km (0.08 R)
• M15: 7,532,402 km (0.11 R)
• M16: 9,041,097 km (0.072 R)
• M17: 10,409,169 km (0.078 R)
• M18: 11,954,366 km (0.106 R)
• M19: 14,192,948 km (0.081 R)
• M20: 14,497,530 km (0.114 R)
• M21: 16,752,269 km (0.047 R)
• M22: 19,854,330 km (0.101 R)
• M23: 20,363,113 km (0.069 R)
• M24: 22,692,052 km (0.061 R)
• M25: 23,742,379 km (0.116 R)

Asteroid Belt

Center: 7.77 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.9

Radius: 4.8

Gravity: 21.09 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 9.51 AU - 10.01 AU

Year: 20681 Days

Day: 16.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,389,892 km

• M1: 59,690 km (0.038 R)
• M2: 258,206 km (0.085 R)
• M3: 412,441 km (0.105 R)
• M4: 573,708 km (0.104 R)
• M5: 1,250,339 km (0.06 R)
• M6: 1,631,066 km (0.08 R)
• M7: 2,310,240 km (0.108 R)
• M8: 2,483,923 km (0.109 R)
• M9: 3,375,975 km (0.112 R)
• M10: 4,016,104 km (0.081 R)
• M11: 4,172,285 km (0.056 R)
• M12: 6,128,127 km (0.077 R)
• M13: 11,344,605 km (0.11 R)
• M14: 12,764,438 km (0.093 R)
• M15: 14,663,733 km (0.098 R)
• M16: 18,319,456 km (0.043 R)
• M17: 23,233,746 km (0.089 R)
• M18: 31,098,555 km (0.086 R)
• M19: 34,112,503 km (0.118 R)
• M20: 35,690,013 km (0.03 R)
• M21: 39,701,779 km (0.076 R)
• M22: 47,306,287 km (0.078 R)
• M23: 51,448,503 km (0.063 R)
• M24: 53,519,835 km (0.063 R)
• M25: 54,753,569 km (0.078 R)
• M26: 58,568,015 km (0.105 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 11,773 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit