🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.6

Radius: 8.9

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.61 AU - 0.73 AU

Year: 379 Days

Day: 14.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,143,901 km

• M1: 111,750 km (0.116 R)
• M2: 399,875 km (0.094 R)
• M3: 679,025 km (0.106 R)
• M4: 1,026,989 km (0.11 R)
• M5: 1,462,020 km (0.093 R)
• M6: 1,930,860 km (0.114 R)
• M7: 2,406,132 km (0.105 R)
• M8: 3,302,822 km (0.085 R)
• M9: 4,205,346 km (0.069 R)
• M10: 5,141,529 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.6

Radius: 12.6

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.71 AU - 0.77 AU

Year: 439 Days

Day: 12.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,143,901 km

• M1: 156,629 km (0.112 R)
• M2: 593,305 km (0.035 R)
• M3: 1,067,381 km (0.101 R)
• M4: 1,498,223 km (0.064 R)
• M5: 2,102,598 km (0.112 R)
• M6: 2,521,921 km (0.115 R)
• M7: 3,602,915 km (0.05 R)
• M8: 4,004,286 km (0.056 R)
• M9: 4,449,340 km (0.08 R)
• M10: 4,956,626 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.2

Radius: 14.4

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.78 AU - 0.96 AU

Year: 560 Days

Day: 12.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,143,901 km

• M1: 179,218 km (0.087 R)
• M2: 729,290 km (0.115 R)
• M3: 1,377,198 km (0.077 R)
• M4: 2,036,027 km (0.099 R)
• M5: 2,556,478 km (0.096 R)
• M6: 3,079,323 km (0.104 R)
• M7: 3,601,419 km (0.115 R)
• M8: 4,344,322 km (0.114 R)
• M9: 4,826,027 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.7

Radius: 10.1

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.06 AU - 2.76 AU

Year: 2582 Days

Day: 12.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,143,901 km

• M1: 125,662 km (0.102 R)
• M2: 588,069 km (0.079 R)
• M3: 1,111,961 km (0.105 R)
• M4: 1,515,726 km (0.1 R)
• M5: 2,536,731 km (0.086 R)
• M6: 3,178,057 km (0.092 R)
• M7: 3,904,205 km (0.098 R)
• M8: 4,782,943 km (0.075 R)
• M9: 5,405,270 km (0.082 R)
• M10: 6,467,266 km (0.079 R)
• M11: 7,198,201 km (0.115 R)
• M12: 10,214,991 km (0.071 R)
• M13: 12,173,377 km (0.088 R)
• M14: 12,522,539 km (0.089 R)
• M15: 13,563,889 km (0.115 R)
• M16: 13,986,803 km (0.115 R)
• M17: 15,818,329 km (0.112 R)
• M18: 17,972,539 km (0.077 R)
• M19: 18,655,303 km (0.094 R)
• M20: 20,193,768 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.1

Radius: 14.5

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.21 AU - 2.89 AU

Year: 2811 Days

Day: 6.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 21,143,901 km

• M1: 180,265 km (0.087 R)
• M2: 652,995 km (0.09 R)
• M3: 1,555,219 km (0.074 R)
• M4: 2,134,762 km (0.113 R)
• M5: 2,681,991 km (0.113 R)
• M6: 3,759,544 km (0.094 R)
• M7: 4,213,424 km (0.076 R)
• M8: 6,353,870 km (0.12 R)
• M9: 8,397,377 km (0.027 R)
• M10: 9,252,927 km (0.102 R)
• M11: 10,443,128 km (0.055 R)
• M12: 12,757,258 km (0.047 R)
• M13: 13,314,809 km (0.111 R)
• M14: 14,132,511 km (0.108 R)
• M15: 14,629,026 km (0.071 R)
• M16: 16,459,207 km (0.095 R)
• M17: 17,799,603 km (0.081 R)
• M18: 19,211,658 km (0.092 R)
• M19: 20,131,385 km (0.107 R)
• M20: 20,760,744 km (0.108 R)
• M21: 21,598,342 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.5

Radius: 8.9

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.94 AU - 3.76 AU

Year: 4232 Days

Day: 11.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,143,901 km

• M1: 110,702 km (0.117 R)
• M2: 461,659 km (0.108 R)
• M3: 829,071 km (0.093 R)
• M4: 1,715,289 km (0.104 R)
• M5: 2,535,086 km (0.107 R)
• M6: 2,935,709 km (0.078 R)
• M7: 4,977,121 km (0.044 R)
• M8: 8,204,396 km (0.062 R)
• M9: 9,236,472 km (0.111 R)
• M10: 11,645,895 km (0.096 R)
• M11: 13,583,187 km (0.099 R)
• M12: 14,291,234 km (0.1 R)
• M13: 14,970,558 km (0.029 R)
• M14: 15,453,310 km (0.118 R)
• M15: 17,547,980 km (0.113 R)
• M16: 18,145,025 km (0.115 R)
• M17: 18,879,401 km (0.099 R)
• M18: 20,669,788 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.3

Radius: 8.1

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.16 AU - 5.18 AU

Year: 8114 Days

Day: 10.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,143,901 km

• M1: 101,128 km (0.1 R)
• M2: 417,827 km (0.074 R)
• M3: 980,016 km (0.099 R)
• M4: 1,358,648 km (0.114 R)
• M5: 2,175,751 km (0.103 R)
• M6: 2,762,773 km (0.096 R)
• M7: 3,163,247 km (0.064 R)
• M8: 3,916,323 km (0.082 R)
• M9: 6,775,886 km (0.088 R)
• M10: 9,411,352 km (0.067 R)
• M11: 11,831,097 km (0.096 R)
• M12: 12,307,716 km (0.112 R)
• M13: 18,893,463 km (0.095 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: 201 - 14,300 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit