🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.5

Radius: 14.9

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.57 AU - 0.87 AU

Year: 422 Days

Day: 6.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 67,378,556 km

• M1: 185,352 km (0.101 R)
• M2: 1,012,179 km (0.079 R)
• M3: 1,776,624 km (0.117 R)
• M4: 3,110,589 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.5

Radius: 13.5

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.06 AU - 3.46 AU

Year: 4063 Days

Day: 12.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,378,556 km

• M1: 167,849 km (0.105 R)
• M2: 759,060 km (0.098 R)
• M3: 1,201,420 km (0.098 R)
• M4: 2,203,427 km (0.046 R)
• M5: 4,414,484 km (0.046 R)
• M6: 5,363,682 km (0.089 R)
• M7: 6,444,975 km (0.11 R)
• M8: 7,537,788 km (0.069 R)
• M9: 8,680,117 km (0.076 R)
• M10: 9,781,158 km (0.114 R)
• M11: 10,849,885 km (0.094 R)
• M12: 12,438,913 km (0.079 R)
• M13: 13,597,399 km (0.111 R)
• M14: 14,276,723 km (0.071 R)
• M15: 16,289,413 km (0.104 R)
• M16: 17,846,876 km (0.112 R)
• M17: 18,780,217 km (0.072 R)
• M18: 20,999,053 km (0.102 R)
• M19: 21,776,214 km (0.081 R)
• M20: 22,304,743 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.8

Radius: 10.1

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.9 AU - 4.3 AU

Year: 4715 Days

Day: 6.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,378,556 km

• M1: 125,662 km (0.056 R)
• M2: 536,159 km (0.063 R)
• M3: 872,904 km (0.118 R)
• M4: 1,269,188 km (0.035 R)
• M5: 6,061,407 km (0.072 R)
• M6: 7,701,598 km (0.059 R)
• M7: 8,238,804 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515

Radius: 10.2

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.79 AU - 4.45 AU

Year: 4754 Days

Day: 8.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,378,556 km

• M1: 127,009 km (0.057 R)
• M2: 496,665 km (0.109 R)
• M3: 921,672 km (0.114 R)
• M4: 1,359,695 km (0.087 R)
• M5: 1,869,076 km (0.095 R)
• M6: 2,817,975 km (0.049 R)
• M7: 3,611,293 km (0.112 R)
• M8: 4,127,704 km (0.112 R)
• M9: 5,581,197 km (0.12 R)
• M10: 6,577,669 km (0.053 R)
• M11: 9,583,838 km (0.072 R)
• M12: 10,964,626 km (0.091 R)
• M13: 11,318,575 km (0.117 R)
• M14: 11,680,003 km (0.111 R)
• M15: 14,695,448 km (0.071 R)
• M16: 18,194,542 km (0.036 R)
• M17: 18,566,143 km (0.101 R)
• M18: 18,942,980 km (0.076 R)
• M19: 19,841,914 km (0.09 R)
• M20: 20,634,782 km (0.107 R)
• M21: 21,039,145 km (0.043 R)
• M22: 21,933,292 km (0.119 R)
• M23: 25,378,082 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 986.5

Radius: 3.8

Gravity: 68.32 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.62 AU - 7.24 AU

Year: 12592 Days

Day: 21.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,378,556 km

• M1: 48,171 km (0.082 R)
• M2: 665,411 km (0.065 R)
• M3: 1,358,947 km (0.086 R)
• M4: 1,633,758 km (0.07 R)
• M5: 2,821,715 km (0.104 R)
• M6: 4,268,326 km (0.096 R)
• M7: 4,787,431 km (0.086 R)
• M8: 5,988,552 km (0.029 R)
• M9: 6,307,495 km (0.051 R)
• M10: 9,544,195 km (0.104 R)
• M11: 10,771,795 km (0.119 R)
• M12: 11,124,098 km (0.114 R)
• M13: 17,529,430 km (0.039 R)
• M14: 19,017,629 km (0.113 R)
• M15: 20,231,766 km (0.04 R)
• M16: 25,606,368 km (0.111 R)
• M17: 31,145,229 km (0.094 R)
• M18: 40,026,107 km (0.076 R)
• M19: 46,335,547 km (0.103 R)
• M20: 47,578,107 km (0.067 R)
• M21: 49,805,769 km (0.047 R)
• M22: 51,935,594 km (0.107 R)
• M23: 53,275,990 km (0.107 R)
• M24: 56,551,585 km (0.051 R)
• M25: 57,791,453 km (0.059 R)
• M26: 58,688,142 km (0.038 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 582.9

Radius: 6

Gravity: 16.19 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.29 AU - 8.61 AU

Year: 12647 Days

Day: 21.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 104.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,378,556 km

• M1: 81,680 km (0.113 R)
• M2: 354,098 km (0.079 R)
• M3: 558,898 km (0.094 R)
• M4: 763,099 km (0.078 R)
• M5: 1,368,372 km (0.077 R)
• M6: 1,670,260 km (0.075 R)
• M7: 2,159,595 km (0.049 R)
• M8: 2,985,375 km (0.097 R)
• M9: 3,343,812 km (0.12 R)
• M10: 4,717,569 km (0.114 R)
• M11: 5,581,945 km (0.087 R)
• M12: 6,315,424 km (0.103 R)
• M13: 6,745,218 km (0.055 R)
• M14: 6,946,876 km (0.085 R)
• M15: 7,278,086 km (0.119 R)
• M16: 7,619,618 km (0.05 R)
• M17: 7,927,341 km (0.114 R)
• M18: 8,661,567 km (0.041 R)
• M19: 13,025,187 km (0.099 R)
• M20: 15,957,455 km (0.048 R)
• M21: 20,541,134 km (0.064 R)
• M22: 21,396,235 km (0.118 R)
• M23: 30,295,962 km (0.075 R)
• M24: 34,168,902 km (0.085 R)
• M25: 43,712,947 km (0.081 R)
• M26: 48,189,065 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765.5

Radius: 3

Gravity: 85.06 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 6.06 AU - 10.04 AU

Year: 15765 Days

Day: 17.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 67,378,556 km

• M1: 38,596 km (0.071 R)
• M2: 238,459 km (0.063 R)
• M3: 576,101 km (0.048 R)
• M4: 1,064,538 km (0.061 R)
• M5: 1,499,868 km (0.11 R)
• M6: 3,616,977 km (0.105 R)
• M7: 4,219,109 km (0.072 R)
• M8: 4,544,035 km (0.081 R)
• M9: 4,815,705 km (0.093 R)
• M10: 5,580,300 km (0.11 R)
• M11: 5,931,556 km (0.068 R)
• M12: 6,464,573 km (0.085 R)
• M13: 7,346,003 km (0.1 R)
• M14: 7,625,153 km (0.103 R)
• M15: 8,917,679 km (0.114 R)
• M16: 15,023,815 km (0.088 R)
• M17: 15,625,198 km (0.027 R)
• M18: 20,932,482 km (0.079 R)
• M19: 22,643,882 km (0.075 R)
• M20: 30,780,809 km (0.106 R)
• M21: 37,167,142 km (0.037 R)
• M22: 41,685,895 km (0.093 R)
• M23: 42,275,161 km (0.119 R)
• M24: 44,229,059 km (0.11 R)
• M25: 52,475,193 km (0.101 R)
• M26: 54,905,710 km (0.114 R)
• M27: 57,773,950 km (0.114 R)
• M28: 64,983,221 km (0.093 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: 305 - 16,915 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit