🌌 Stone's Star System Generator

Asteroid Belt

Center: 1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.4

Radius: 14.2

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.92 AU - 2.06 AU

Year: 1785 Days

Day: 5.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,131,430 km

• M1: 185,501 km (0.107 R)
• M2: 904,918 km (0.102 R)
• M3: 1,406,669 km (0.112 R)
• M4: 2,097,961 km (0.112 R)
• M5: 3,230,416 km (0.067 R)
• M6: 4,823,335 km (0.081 R)
• M7: 7,746,477 km (0.073 R)
• M8: 8,639,127 km (0.113 R)
• M9: 9,531,030 km (0.082 R)
• M10: 11,537,137 km (0.116 R)
• M11: 13,206,051 km (0.08 R)
• M12: 13,943,419 km (0.063 R)
• M13: 14,571,132 km (0.117 R)
• M14: 16,968,438 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.9

Radius: 8

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.43 AU - 2.67 AU

Year: 2589 Days

Day: 11.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,131,430 km

• M1: 99,483 km (0.047 R)
• M2: 474,524 km (0.06 R)
• M3: 759,957 km (0.092 R)
• M4: 2,522,818 km (0.071 R)
• M5: 3,290,405 km (0.12 R)
• M6: 3,894,182 km (0.115 R)
• M7: 5,095,453 km (0.108 R)
• M8: 5,574,615 km (0.112 R)
• M9: 5,836,411 km (0.083 R)
• M10: 6,290,890 km (0.057 R)
• M11: 7,245,025 km (0.105 R)
• M12: 9,591,467 km (0.105 R)
• M13: 10,224,865 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789

Radius: 12.4

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.17 AU - 3.29 AU

Year: 3691 Days

Day: 6.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,131,430 km

• M1: 154,385 km (0.105 R)
• M2: 787,483 km (0.036 R)
• M3: 1,246,599 km (0.086 R)
• M4: 2,154,957 km (0.062 R)
• M5: 2,908,482 km (0.104 R)
• M6: 3,623,709 km (0.053 R)
• M7: 5,459,125 km (0.108 R)
• M8: 6,308,841 km (0.039 R)
• M9: 7,050,248 km (0.108 R)
• M10: 9,508,590 km (0.097 R)
• M11: 10,110,722 km (0.03 R)
• M12: 10,652,864 km (0.093 R)
• M13: 11,214,455 km (0.09 R)
• M14: 12,024,527 km (0.097 R)
• M15: 14,066,389 km (0.056 R)
• M16: 15,277,832 km (0.094 R)
• M17: 15,770,308 km (0.09 R)
• M18: 16,443,499 km (0.072 R)
• M19: 17,077,345 km (0.1 R)
• M20: 19,329,541 km (0.037 R)
• M21: 20,296,841 km (0.114 R)
• M22: 20,959,260 km (0.087 R)
• M23: 22,188,207 km (0.103 R)
• M24: 24,714,316 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.2

Radius: 11

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.84 AU - 7.22 AU

Year: 9415 Days

Day: 5.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,131,430 km

• M1: 136,732 km (0.117 R)
• M2: 811,568 km (0.071 R)
• M3: 1,228,947 km (0.101 R)
• M4: 3,430,578 km (0.07 R)
• M5: 3,881,167 km (0.119 R)
• M6: 5,505,501 km (0.082 R)
• M7: 6,654,712 km (0.071 R)
• M8: 7,250,111 km (0.081 R)
• M9: 7,728,974 km (0.093 R)
• M10: 8,072,899 km (0.105 R)
• M11: 10,448,364 km (0.086 R)
• M12: 10,822,209 km (0.106 R)
• M13: 11,399,657 km (0.12 R)
• M14: 14,029,887 km (0.06 R)
• M15: 14,658,647 km (0.074 R)
• M16: 15,246,566 km (0.085 R)
• M17: 17,233,974 km (0.117 R)
• M18: 18,088,627 km (0.097 R)
• M19: 19,318,471 km (0.101 R)
• M20: 19,882,455 km (0.061 R)
• M21: 20,749,225 km (0.114 R)
• M22: 23,660,698 km (0.109 R)
• M23: 30,280,703 km (0.09 R)
• M24: 30,659,934 km (0.072 R)
• M25: 33,001,889 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.3

Radius: 4.8

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 9.21 AU - 12.19 AU

Year: 22254 Days

Day: 16.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,131,430 km

• M1: 59,690 km (0.107 R)
• M2: 234,569 km (0.082 R)
• M3: 620,233 km (0.11 R)
• M4: 1,266,645 km (0.113 R)
• M5: 1,597,855 km (0.097 R)
• M6: 1,870,572 km (0.118 R)
• M7: 2,103,496 km (0.112 R)
• M8: 2,281,667 km (0.075 R)
• M9: 2,942,441 km (0.108 R)
• M10: 3,097,574 km (0.115 R)
• M11: 3,400,360 km (0.117 R)
• M12: 6,099,554 km (0.072 R)
• M13: 6,463,226 km (0.074 R)
• M14: 7,314,289 km (0.118 R)
• M15: 8,325,271 km (0.038 R)
• M16: 9,002,501 km (0.029 R)
• M17: 20,929,490 km (0.051 R)
• M18: 26,498,271 km (0.104 R)
• M19: 33,982,952 km (0.111 R)
• M20: 34,208,844 km (0.05 R)
• M21: 37,597,984 km (0.091 R)
• M22: 40,061,562 km (0.115 R)
• M23: 42,238,360 km (0.092 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 17,534 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit