🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.53 AU - 0.77 AU

Year: 344 Days

Day: 44.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.3

Radius: 12.5

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.6 AU - 0.78 AU

Year: 376 Days

Day: 10.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,420,323 km

• M1: 155,432 km (0.077 R)
• M2: 610,808 km (0.098 R)
• M3: 1,018,014 km (0.106 R)
• M4: 1,784,553 km (0.052 R)
• M5: 2,567,399 km (0.072 R)
• M6: 3,547,414 km (0.066 R)

Asteroid Belt

Center: 0.98 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.6

Radius: 13.6

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.18 AU - 1.34 AU

Year: 928 Days

Day: 6.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,420,323 km

• M1: 169,195 km (0.089 R)
• M2: 751,281 km (0.12 R)
• M3: 1,250,189 km (0.105 R)
• M4: 1,752,389 km (0.102 R)
• M5: 2,259,227 km (0.099 R)
• M6: 2,889,632 km (0.049 R)
• M7: 3,974,666 km (0.111 R)
• M8: 4,558,696 km (0.097 R)
• M9: 5,296,064 km (0.087 R)
• M10: 5,900,290 km (0.084 R)
• M11: 6,986,071 km (0.11 R)
• M12: 8,148,895 km (0.081 R)
• M13: 9,934,795 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.5

Radius: 9

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.1 AU - 1.58 AU

Year: 1018 Days

Day: 6.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,420,323 km

• M1: 112,946 km (0.11 R)
• M2: 484,398 km (0.074 R)
• M3: 1,311,973 km (0.1 R)
• M4: 1,602,792 km (0.082 R)
• M5: 2,262,069 km (0.091 R)
• M6: 2,761,128 km (0.082 R)
• M7: 3,245,825 km (0.05 R)
• M8: 3,946,691 km (0.098 R)
• M9: 4,562,735 km (0.088 R)
• M10: 5,143,474 km (0.114 R)
• M11: 8,783,938 km (0.107 R)
• M12: 9,269,234 km (0.113 R)
• M13: 9,563,044 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.8

Radius: 9.4

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.26 AU - 1.92 AU

Year: 1315 Days

Day: 9.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,420,323 km

• M1: 116,986 km (0.102 R)
• M2: 432,188 km (0.106 R)
• M3: 1,551,180 km (0.079 R)
• M4: 1,910,514 km (0.114 R)
• M5: 2,347,639 km (0.11 R)
• M6: 2,749,459 km (0.117 R)
• M7: 3,073,937 km (0.069 R)
• M8: 3,482,339 km (0.115 R)
• M9: 4,855,348 km (0.056 R)
• M10: 5,451,047 km (0.118 R)
• M11: 5,818,908 km (0.079 R)
• M12: 6,741,778 km (0.05 R)
• M13: 10,066,441 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226

Radius: 8.9

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.51 AU - 5.45 AU

Year: 6221 Days

Day: 9.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,420,323 km

• M1: 110,702 km (0.094 R)
• M2: 422,464 km (0.112 R)
• M3: 1,524,851 km (0.086 R)
• M4: 2,101,850 km (0.084 R)
• M5: 3,687,438 km (0.091 R)
• M6: 4,307,222 km (0.084 R)
• M7: 4,725,797 km (0.115 R)
• M8: 5,325,983 km (0.112 R)
• M9: 6,557,473 km (0.117 R)
• M10: 7,017,786 km (0.11 R)
• M11: 7,866,604 km (0.098 R)
• M12: 8,422,061 km (0.11 R)
• M13: 8,966,298 km (0.062 R)
• M14: 9,925,220 km (0.04 R)
• M15: 10,782,416 km (0.118 R)
• M16: 12,182,203 km (0.107 R)
• M17: 12,550,364 km (0.088 R)
• M18: 16,594,892 km (0.055 R)
• M19: 17,219,313 km (0.056 R)
• M20: 18,454,842 km (0.073 R)
• M21: 21,036,004 km (0.069 R)
• M22: 21,700,218 km (0.026 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.6

Radius: 7.3

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.01 AU - 7.39 AU

Year: 10127 Days

Day: 20.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,420,323 km

• M1: 90,806 km (0.069 R)
• M2: 363,822 km (0.039 R)
• M3: 1,140,385 km (0.075 R)
• M4: 1,490,144 km (0.088 R)
• M5: 1,770,940 km (0.074 R)
• M6: 2,649,677 km (0.074 R)
• M7: 3,124,800 km (0.108 R)
• M8: 3,700,154 km (0.101 R)
• M9: 3,977,807 km (0.118 R)
• M10: 4,294,057 km (0.109 R)
• M11: 5,060,597 km (0.115 R)
• M12: 5,316,110 km (0.03 R)
• M13: 5,977,333 km (0.065 R)
• M14: 6,295,527 km (0.09 R)
• M15: 6,862,204 km (0.074 R)
• M16: 8,097,284 km (0.1 R)
• M17: 8,368,804 km (0.09 R)
• M18: 8,606,515 km (0.081 R)
• M19: 9,995,083 km (0.062 R)
• M20: 10,905,984 km (0.057 R)
• M21: 13,804,742 km (0.089 R)
• M22: 19,782,673 km (0.082 R)
• M23: 21,434,682 km (0.076 R)
• M24: 23,725,175 km (0.12 R)
• M25: 25,588,117 km (0.053 R)
• M26: 27,026,202 km (0.115 R)
• M27: 29,056,694 km (0.116 R)
• M28: 30,997,277 km (0.102 R)
• M29: 31,471,802 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.7

Radius: 3.1

Gravity: 18.8 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 10.07 AU - 10.15 AU

Year: 21088 Days

Day: 22.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,420,323 km

• M1: 38,746 km (0.088 R)
• M2: 237,861 km (0.11 R)
• M3: 473,776 km (0.095 R)
• M4: 754,422 km (0.104 R)
• M5: 978,669 km (0.082 R)
• M6: 1,870,422 km (0.085 R)
• M7: 2,298,571 km (0.069 R)
• M8: 2,810,346 km (0.043 R)
• M9: 3,675,171 km (0.057 R)
• M10: 3,916,323 km (0.036 R)
• M11: 4,734,324 km (0.062 R)
• M12: 5,350,368 km (0.097 R)
• M13: 6,739,384 km (0.082 R)
• M14: 7,141,354 km (0.106 R)
• M15: 7,432,022 km (0.106 R)
• M16: 10,679,194 km (0.09 R)
• M17: 11,560,774 km (0.066 R)
• M18: 12,371,146 km (0.12 R)
• M19: 14,104,087 km (0.036 R)
• M20: 16,489,126 km (0.088 R)
• M21: 16,850,405 km (0.118 R)
• M22: 17,143,168 km (0.077 R)
• M23: 18,194,691 km (0.084 R)
• M24: 26,784,751 km (0.099 R)
• M25: 40,018,328 km (0.091 R)
• M26: 46,858,391 km (0.094 R)
• M27: 49,350,243 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118

Radius: 3.1

Gravity: 12.28 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 8.02 AU - 12.92 AU

Year: 22224 Days

Day: 19.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,420,323 km

• M1: 38,596 km (0.097 R)
• M2: 194,776 km (0.042 R)
• M3: 335,249 km (0.118 R)
• M4: 470,934 km (0.118 R)
• M5: 1,497,923 km (0.118 R)
• M6: 3,646,747 km (0.109 R)
• M7: 12,272,860 km (0.057 R)
• M8: 13,748,942 km (0.111 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: 503 - 18,705 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit