🌌 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: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.2

Radius: 9.4

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.54 AU - 0.64 AU

Year: 313 Days

Day: 6.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,473,134 km

• M1: 116,986 km (0.048 R)
• M2: 433,535 km (0.095 R)
• M3: 768,035 km (0.061 R)
• M4: 1,064,239 km (0.025 R)
• M5: 1,598,453 km (0.116 R)
• M6: 1,907,822 km (0.114 R)
• M7: 2,295,430 km (0.099 R)
• M8: 2,761,427 km (0.114 R)
• M9: 3,163,397 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.9

Radius: 13.2

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.7 AU - 0.88 AU

Year: 485 Days

Day: 10.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,473,134 km

• M1: 164,109 km (0.091 R)
• M2: 682,914 km (0.106 R)
• M3: 1,111,961 km (0.073 R)
• M4: 1,843,794 km (0.112 R)
• M5: 2,559,470 km (0.03 R)
• M6: 3,010,807 km (0.11 R)
• M7: 4,159,569 km (0.055 R)
• M8: 4,727,442 km (0.057 R)
• M9: 5,667,815 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.7

Radius: 9.8

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.62 AU - 1.64 AU

Year: 1436 Days

Day: 11.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,473,134 km

• M1: 121,922 km (0.067 R)
• M2: 471,233 km (0.065 R)
• M3: 780,751 km (0.056 R)
• M4: 1,402,779 km (0.059 R)
• M5: 2,073,277 km (0.097 R)
• M6: 2,810,346 km (0.086 R)
• M7: 3,182,096 km (0.081 R)
• M8: 4,059,338 km (0.089 R)
• M9: 5,209,895 km (0.085 R)
• M10: 6,471,305 km (0.046 R)
• M11: 6,804,160 km (0.117 R)
• M12: 7,375,773 km (0.074 R)
• M13: 8,114,787 km (0.112 R)
• M14: 8,587,067 km (0.116 R)
• M15: 11,364,950 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.1

Radius: 11.3

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.46 AU - 2.3 AU

Year: 1779 Days

Day: 12.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,473,134 km

• M1: 140,472 km (0.046 R)
• M2: 671,694 km (0.072 R)
• M3: 1,082,341 km (0.117 R)
• M4: 1,645,277 km (0.101 R)
• M5: 2,097,961 km (0.11 R)
• M6: 2,457,743 km (0.034 R)
• M7: 2,872,578 km (0.102 R)
• M8: 3,878,774 km (0.115 R)
• M9: 4,924,762 km (0.091 R)
• M10: 5,354,557 km (0.091 R)
• M11: 6,266,206 km (0.111 R)
• M12: 6,846,197 km (0.092 R)
• M13: 8,141,565 km (0.109 R)
• M14: 8,511,221 km (0.095 R)
• M15: 9,101,983 km (0.119 R)
• M16: 10,631,472 km (0.028 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.6

Radius: 14.7

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.06 AU - 2.58 AU

Year: 2439 Days

Day: 8.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,473,134 km

• M1: 182,958 km (0.108 R)
• M2: 688,001 km (0.081 R)
• M3: 1,149,660 km (0.049 R)
• M4: 1,808,189 km (0.106 R)
• M5: 2,550,793 km (0.067 R)
• M6: 3,210,370 km (0.105 R)
• M7: 5,297,859 km (0.049 R)
• M8: 6,545,505 km (0.066 R)
• M9: 8,174,626 km (0.073 R)
• M10: 9,189,348 km (0.084 R)
• M11: 10,554,728 km (0.115 R)
• M12: 11,306,607 km (0.081 R)
• M13: 15,614,727 km (0.061 R)
• M14: 18,273,081 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.6

Radius: 12.1

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.41 AU - 4.09 AU

Year: 5013 Days

Day: 13.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,473,134 km

• M1: 152,440 km (0.082 R)
• M2: 591,809 km (0.078 R)
• M3: 1,128,267 km (0.112 R)
• M4: 1,821,803 km (0.053 R)
• M5: 2,628,435 km (0.062 R)
• M6: 3,171,924 km (0.092 R)
• M7: 3,596,183 km (0.095 R)
• M8: 4,035,552 km (0.028 R)
• M9: 4,813,760 km (0.106 R)
• M10: 5,517,618 km (0.102 R)
• M11: 11,732,512 km (0.069 R)
• M12: 12,163,803 km (0.114 R)
• M13: 12,705,347 km (0.1 R)
• M14: 16,064,119 km (0.077 R)
• M15: 16,596,388 km (0.071 R)
• M16: 18,844,694 km (0.118 R)
• M17: 20,041,776 km (0.109 R)
• M18: 21,359,734 km (0.115 R)
• M19: 24,632,636 km (0.095 R)
• M20: 26,388,316 km (0.084 R)
• M21: 28,140,706 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.7

Radius: 14.7

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.65 AU - 4.53 AU

Year: 5709 Days

Day: 9.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,473,134 km

• M1: 195,076 km (0.05 R)
• M2: 668,852 km (0.046 R)
• M3: 1,194,539 km (0.094 R)
• M4: 1,796,072 km (0.068 R)
• M5: 2,687,227 km (0.078 R)
• M6: 4,217,014 km (0.095 R)
• M7: 5,433,694 km (0.095 R)
• M8: 6,907,981 km (0.076 R)
• M9: 7,663,899 km (0.115 R)
• M10: 8,880,130 km (0.086 R)
• M11: 9,862,988 km (0.103 R)
• M12: 10,822,658 km (0.083 R)
• M13: 12,045,471 km (0.11 R)
• M14: 12,664,357 km (0.066 R)
• M15: 14,998,982 km (0.104 R)
• M16: 16,770,370 km (0.116 R)
• M17: 19,020,322 km (0.082 R)
• M18: 20,289,810 km (0.089 R)
• M19: 22,841,052 km (0.114 R)
• M20: 23,550,744 km (0.051 R)
• M21: 24,438,009 km (0.068 R)
• M22: 25,347,414 km (0.1 R)
• M23: 26,451,297 km (0.078 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 11,876 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit