🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.56 AU - 0.6 AU

Year: 290 Days

Day: 25.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.6 AU - 0.72 AU

Year: 352 Days

Day: 40 Hours

Environment

Temp: -144 °C

Axial Tilt: 9.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.18 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.5

Radius: 12.1

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.28 AU - 2.1 AU

Year: 1441 Days

Day: 5.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,600,313 km

• M1: 150,495 km (0.11 R)
• M2: 552,465 km (0.11 R)
• M3: 1,078,451 km (0.099 R)
• M4: 1,498,522 km (0.114 R)
• M5: 1,913,656 km (0.082 R)
• M6: 3,229,968 km (0.047 R)
• M7: 3,667,093 km (0.106 R)
• M8: 4,397,280 km (0.115 R)
• M9: 4,936,431 km (0.105 R)
• M10: 5,327,031 km (0.077 R)
• M11: 6,101,200 km (0.117 R)
• M12: 6,923,689 km (0.119 R)
• M13: 7,901,311 km (0.079 R)
• M14: 8,322,878 km (0.103 R)
• M15: 8,759,554 km (0.115 R)
• M16: 10,426,672 km (0.11 R)
• M17: 12,259,097 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153

Radius: 11.9

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.38 AU - 2.22 AU

Year: 1584 Days

Day: 6.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,600,313 km

• M1: 148,551 km (0.081 R)
• M2: 582,235 km (0.089 R)
• M3: 1,016,667 km (0.096 R)
• M4: 1,429,258 km (0.114 R)
• M5: 1,919,341 km (0.05 R)
• M6: 2,362,001 km (0.096 R)
• M7: 2,744,074 km (0.066 R)
• M8: 3,607,702 km (0.105 R)
• M9: 4,042,583 km (0.077 R)
• M10: 5,563,246 km (0.055 R)
• M11: 6,267,852 km (0.111 R)
• M12: 7,298,880 km (0.042 R)
• M13: 7,737,052 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.9

Radius: 12.9

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.62 AU - 2.86 AU

Year: 2975 Days

Day: 9.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,600,313 km

• M1: 160,519 km (0.084 R)
• M2: 639,082 km (0.099 R)
• M3: 1,149,660 km (0.088 R)
• M4: 1,649,765 km (0.107 R)
• M5: 2,440,390 km (0.09 R)
• M6: 2,881,554 km (0.072 R)
• M7: 3,339,024 km (0.071 R)
• M8: 4,032,111 km (0.089 R)
• M9: 4,795,509 km (0.118 R)
• M10: 5,390,759 km (0.12 R)
• M11: 6,434,055 km (0.096 R)
• M12: 7,317,430 km (0.091 R)
• M13: 9,744,207 km (0.087 R)
• M14: 11,809,106 km (0.076 R)
• M15: 14,654,458 km (0.118 R)
• M16: 16,400,415 km (0.093 R)
• M17: 18,518,720 km (0.09 R)
• M18: 19,182,187 km (0.102 R)
• M19: 20,238,797 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.8

Radius: 13.2

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.61 AU - 3.77 AU

Year: 3738 Days

Day: 6.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,600,313 km

• M1: 166,203 km (0.093 R)
• M2: 645,814 km (0.075 R)
• M3: 1,197,830 km (0.036 R)
• M4: 1,677,441 km (0.115 R)
• M5: 2,866,295 km (0.117 R)
• M6: 3,331,545 km (0.105 R)
• M7: 4,348,212 km (0.109 R)
• M8: 5,117,294 km (0.11 R)
• M9: 6,146,677 km (0.089 R)
• M10: 6,865,046 km (0.118 R)
• M11: 7,739,446 km (0.098 R)
• M12: 8,221,301 km (0.043 R)
• M13: 9,828,431 km (0.118 R)
• M14: 11,591,741 km (0.103 R)
• M15: 12,270,017 km (0.119 R)
• M16: 14,259,669 km (0.08 R)
• M17: 14,933,159 km (0.105 R)
• M18: 15,358,166 km (0.101 R)
• M19: 15,955,660 km (0.089 R)
• M20: 17,081,982 km (0.086 R)
• M21: 21,780,852 km (0.102 R)
• M22: 22,674,699 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.1

Radius: 9.1

Gravity: 11.75 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.48 AU - 3.82 AU

Year: 4575 Days

Day: 11.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,600,313 km

• M1: 113,246 km (0.048 R)
• M2: 843,433 km (0.109 R)
• M3: 1,422,227 km (0.098 R)
• M4: 1,890,169 km (0.087 R)
• M5: 2,577,571 km (0.119 R)
• M6: 2,979,391 km (0.069 R)
• M7: 3,297,586 km (0.073 R)
• M8: 3,594,687 km (0.064 R)
• M9: 3,886,553 km (0.103 R)
• M10: 4,940,021 km (0.111 R)
• M11: 6,016,677 km (0.119 R)
• M12: 7,102,458 km (0.108 R)
• M13: 8,313,902 km (0.109 R)
• M14: 9,319,499 km (0.062 R)
• M15: 10,225,164 km (0.073 R)
• M16: 12,514,011 km (0.108 R)
• M17: 13,669,356 km (0.035 R)
• M18: 15,182,538 km (0.046 R)
• M19: 16,009,665 km (0.093 R)
• M20: 16,866,562 km (0.103 R)
• M21: 18,472,345 km (0.038 R)
• M22: 20,816,245 km (0.115 R)
• M23: 24,854,789 km (0.099 R)
• M24: 25,179,266 km (0.099 R)
• M25: 26,844,291 km (0.068 R)
• M26: 28,937,614 km (0.083 R)
• M27: 31,609,581 km (0.066 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.8

Radius: 11.8

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.25 AU - 4.25 AU

Year: 5748 Days

Day: 11.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,600,313 km

• M1: 150,495 km (0.117 R)
• M2: 600,037 km (0.104 R)
• M3: 1,475,185 km (0.102 R)
• M4: 1,854,714 km (0.095 R)
• M5: 3,073,638 km (0.1 R)
• M6: 6,869,833 km (0.059 R)
• M7: 10,536,477 km (0.118 R)
• M8: 11,114,374 km (0.113 R)
• M9: 13,140,079 km (0.116 R)
• M10: 20,829,559 km (0.069 R)
• M11: 22,128,218 km (0.08 R)
• M12: 24,300,678 km (0.109 R)
• M13: 26,611,816 km (0.12 R)
• M14: 34,002,250 km (0.086 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586

Radius: 9.1

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.64 AU - 4.98 AU

Year: 6920 Days

Day: 7.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,600,313 km

• M1: 119,379 km (0.097 R)
• M2: 517,459 km (0.102 R)
• M3: 1,061,846 km (0.063 R)
• M4: 2,060,411 km (0.097 R)
• M5: 2,384,291 km (0.1 R)
• M6: 2,876,019 km (0.093 R)
• M7: 3,325,411 km (0.066 R)
• M8: 3,658,266 km (0.077 R)
• M9: 5,248,342 km (0.102 R)
• M10: 5,953,098 km (0.103 R)
• M11: 6,547,749 km (0.086 R)
• M12: 9,285,689 km (0.087 R)
• M13: 14,786,852 km (0.116 R)
• M14: 15,876,373 km (0.117 R)
• M15: 17,943,965 km (0.094 R)
• M16: 21,221,804 km (0.089 R)
• M17: 24,794,650 km (0.092 R)
• M18: 28,657,567 km (0.084 R)
• M19: 32,102,357 km (0.085 R)
• M20: 35,493,890 km (0.115 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 16,009 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit