🌌 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: 602.6

Radius: 14.7

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.61 AU - 0.77 AU

Year: 396 Days

Day: 6.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 18,608,694 km

• M1: 182,809 km (0.103 R)
• M2: 763,099 km (0.048 R)
• M3: 1,584,092 km (0.084 R)
• M4: 2,760,679 km (0.106 R)
• M5: 3,224,133 km (0.112 R)
• M6: 4,012,514 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.4

Radius: 10.8

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.66 AU - 1.74 AU

Year: 1530 Days

Day: 14.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,608,694 km

• M1: 134,339 km (0.09 R)
• M2: 476,320 km (0.079 R)
• M3: 825,631 km (0.12 R)
• M4: 1,482,365 km (0.06 R)
• M5: 1,975,290 km (0.047 R)
• M6: 2,473,750 km (0.084 R)
• M7: 2,842,659 km (0.051 R)
• M8: 3,433,720 km (0.09 R)
• M9: 3,860,822 km (0.109 R)
• M10: 6,777,532 km (0.117 R)
• M11: 7,399,111 km (0.089 R)
• M12: 8,344,420 km (0.069 R)
• M13: 8,756,263 km (0.1 R)
• M14: 9,181,719 km (0.094 R)
• M15: 9,652,952 km (0.047 R)
• M16: 10,677,847 km (0.034 R)
• M17: 13,060,343 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.4

Radius: 14.5

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.48 AU - 1.92 AU

Year: 1530 Days

Day: 11.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,608,694 km

• M1: 180,415 km (0.114 R)
• M2: 662,569 km (0.039 R)
• M3: 1,144,424 km (0.093 R)
• M4: 1,634,806 km (0.099 R)
• M5: 2,143,588 km (0.108 R)
• M6: 2,603,452 km (0.046 R)
• M7: 3,076,929 km (0.119 R)
• M8: 3,578,830 km (0.073 R)
• M9: 4,300,340 km (0.07 R)
• M10: 4,894,693 km (0.11 R)
• M11: 5,347,077 km (0.104 R)
• M12: 6,875,518 km (0.055 R)
• M13: 8,201,105 km (0.081 R)
• M14: 8,760,601 km (0.108 R)
• M15: 9,459,672 km (0.112 R)
• M16: 10,286,649 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.8

Radius: 12.5

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.71 AU - 2.49 AU

Year: 2101 Days

Day: 6.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 18,608,694 km

• M1: 155,432 km (0.117 R)
• M2: 552,914 km (0.092 R)
• M3: 1,002,156 km (0.095 R)
• M4: 1,447,210 km (0.055 R)
• M5: 1,870,422 km (0.093 R)
• M6: 2,429,021 km (0.073 R)
• M7: 2,856,871 km (0.064 R)
• M8: 3,602,915 km (0.073 R)
• M9: 4,031,962 km (0.116 R)
• M10: 5,346,628 km (0.087 R)
• M11: 5,859,150 km (0.093 R)
• M12: 6,532,939 km (0.089 R)
• M13: 7,454,312 km (0.103 R)
• M14: 7,976,110 km (0.116 R)
• M15: 8,996,367 km (0.028 R)
• M16: 9,757,521 km (0.12 R)
• M17: 10,924,085 km (0.116 R)
• M18: 12,024,228 km (0.088 R)
• M19: 12,702,654 km (0.091 R)
• M20: 13,155,038 km (0.098 R)
• M21: 14,048,886 km (0.085 R)
• M22: 14,801,662 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.5

Radius: 14.6

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.01 AU - 2.81 AU

Year: 2582 Days

Day: 14.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,608,694 km

• M1: 181,612 km (0.068 R)
• M2: 858,692 km (0.115 R)
• M3: 1,984,117 km (0.081 R)
• M4: 2,645,339 km (0.068 R)
• M5: 3,101,912 km (0.051 R)
• M6: 3,777,197 km (0.12 R)
• M7: 4,684,358 km (0.046 R)
• M8: 5,381,185 km (0.113 R)
• M9: 6,170,015 km (0.035 R)
• M10: 6,679,545 km (0.071 R)
• M11: 7,217,349 km (0.09 R)
• M12: 7,923,152 km (0.111 R)
• M13: 8,915,136 km (0.111 R)
• M14: 9,696,485 km (0.084 R)
• M15: 11,111,382 km (0.057 R)
• M16: 11,576,182 km (0.079 R)
• M17: 13,207,098 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.8

Radius: 10.2

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.34 AU - 4.18 AU

Year: 5033 Days

Day: 10.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,608,694 km

• M1: 140,173 km (0.116 R)
• M2: 489,335 km (0.105 R)
• M3: 1,325,288 km (0.086 R)
• M4: 1,892,712 km (0.096 R)
• M5: 2,432,312 km (0.069 R)
• M6: 2,880,357 km (0.072 R)
• M7: 5,790,934 km (0.085 R)
• M8: 6,825,852 km (0.097 R)
• M9: 7,807,363 km (0.047 R)
• M10: 10,184,922 km (0.083 R)
• M11: 10,990,656 km (0.112 R)
• M12: 11,427,482 km (0.069 R)
• M13: 12,610,053 km (0.074 R)

Asteroid Belt

Center: 4.26 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78

Radius: 13.8

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.64 AU - 5.88 AU

Year: 7168 Days

Day: 9.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 18,608,694 km

• M1: 171,738 km (0.106 R)
• M2: 1,256,921 km (0.104 R)
• M3: 2,367,386 km (0.089 R)
• M4: 3,919,763 km (0.085 R)
• M5: 4,759,905 km (0.077 R)
• M6: 7,980,897 km (0.063 R)
• M7: 8,753,719 km (0.075 R)
• M8: 11,776,344 km (0.087 R)
• M9: 15,049,546 km (0.025 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: 299 - 18,238 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit