🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.75 AU - 0.89 AU

Year: 270 Days

Day: 43.1 Hours

Environment

Temp: 131 °C

Axial Tilt: 33.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 64,286,250 km

• M1: 65,225 km (0.082 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.9 AU - 2.62 AU

Year: 1235 Days

Day: 28.2 Hours

Environment

Temp: -67 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,286,250 km

• M1: 337,493 km (0.102 R)
• M2: 1,724,115 km (0.101 R)

Asteroid Belt

Center: 4.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.5

Radius: 9.9

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.73 AU - 7.51 AU

Year: 6905 Days

Day: 11.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 64,286,250 km

• M1: 123,418 km (0.049 R)
• M2: 591,360 km (0.105 R)
• M3: 933,940 km (0.093 R)
• M4: 1,425,219 km (0.098 R)
• M5: 1,924,577 km (0.096 R)
• M6: 2,931,669 km (0.034 R)
• M7: 3,481,591 km (0.107 R)
• M8: 3,893,883 km (0.091 R)
• M9: 4,905,015 km (0.087 R)
• M10: 6,537,876 km (0.083 R)
• M11: 7,244,576 km (0.119 R)
• M12: 7,797,191 km (0.089 R)
• M13: 8,505,836 km (0.077 R)
• M14: 8,898,081 km (0.041 R)
• M15: 9,532,077 km (0.108 R)
• M16: 10,941,289 km (0.116 R)
• M17: 12,045,022 km (0.038 R)
• M18: 12,877,834 km (0.108 R)
• M19: 14,289,439 km (0.079 R)
• M20: 17,003,593 km (0.117 R)
• M21: 18,051,077 km (0.102 R)
• M22: 19,967,725 km (0.112 R)
• M23: 21,451,587 km (0.112 R)
• M24: 22,016,468 km (0.084 R)
• M25: 23,770,503 km (0.108 R)
• M26: 25,079,036 km (0.114 R)
• M27: 26,712,046 km (0.081 R)
• M28: 34,612,609 km (0.06 R)
• M29: 36,178,450 km (0.083 R)
• M30: 37,094,138 km (0.106 R)
• M31: 39,571,180 km (0.056 R)
• M32: 40,176,752 km (0.045 R)
• M33: 41,406,596 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.3

Radius: 9.9

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.49 AU - 8.69 AU

Year: 9150 Days

Day: 8.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,286,250 km

• M1: 123,119 km (0.119 R)
• M2: 513,121 km (0.078 R)
• M3: 1,003,802 km (0.116 R)
• M4: 1,415,495 km (0.099 R)
• M5: 2,014,635 km (0.03 R)
• M6: 3,669,337 km (0.094 R)
• M7: 4,418,074 km (0.094 R)
• M8: 5,985,560 km (0.046 R)
• M9: 8,459,760 km (0.066 R)
• M10: 10,038,316 km (0.065 R)
• M11: 11,194,259 km (0.037 R)
• M12: 25,257,057 km (0.034 R)
• M13: 28,305,862 km (0.116 R)
• M14: 30,209,495 km (0.083 R)
• M15: 31,792,689 km (0.108 R)
• M16: 33,639,026 km (0.086 R)
• M17: 35,773,189 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.4

Radius: 13.8

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 11.1 AU - 12.26 AU

Year: 14508 Days

Day: 13.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,286,250 km

• M1: 172,038 km (0.062 R)
• M2: 620,083 km (0.065 R)
• M3: 1,527,993 km (0.083 R)
• M4: 1,973,346 km (0.118 R)
• M5: 2,404,935 km (0.065 R)
• M6: 3,386,597 km (0.094 R)
• M7: 5,184,314 km (0.092 R)
• M8: 6,371,074 km (0.107 R)
• M9: 10,850,034 km (0.117 R)
• M10: 12,342,124 km (0.111 R)
• M11: 13,899,587 km (0.089 R)
• M12: 14,725,816 km (0.112 R)
• M13: 16,250,368 km (0.034 R)
• M14: 18,362,091 km (0.028 R)
• M15: 20,827,764 km (0.097 R)
• M16: 25,381,972 km (0.103 R)
• M17: 27,568,494 km (0.088 R)
• M18: 30,218,171 km (0.074 R)
• M19: 35,382,589 km (0.042 R)
• M20: 40,273,841 km (0.115 R)
• M21: 43,676,894 km (0.098 R)
• M22: 59,391,252 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 185.9

Radius: 4

Gravity: 11.62 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 14.29 AU - 23.47 AU

Year: 29815 Days

Day: 24.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,286,250 km

• M1: 49,816 km (0.09 R)
• M2: 317,895 km (0.081 R)
• M3: 449,841 km (0.111 R)
• M4: 971,489 km (0.115 R)
• M5: 1,371,214 km (0.079 R)
• M6: 2,552,289 km (0.094 R)
• M7: 2,875,271 km (0.119 R)
• M8: 4,946,154 km (0.104 R)
• M9: 5,373,855 km (0.059 R)
• M10: 5,981,671 km (0.099 R)
• M11: 6,466,817 km (0.065 R)
• M12: 6,676,553 km (0.097 R)
• M13: 7,653,427 km (0.058 R)
• M14: 9,559,005 km (0.114 R)
• M15: 10,108,627 km (0.114 R)
• M16: 12,198,061 km (0.088 R)
• M17: 15,507,764 km (0.112 R)
• M18: 16,497,354 km (0.082 R)
• M19: 18,601,598 km (0.096 R)
• M20: 19,111,278 km (0.105 R)
• M21: 20,878,028 km (0.073 R)
• M22: 21,988,643 km (0.094 R)
• M23: 22,177,436 km (0.06 R)
• M24: 22,462,719 km (0.111 R)
• M25: 23,138,003 km (0.035 R)
• M26: 25,869,361 km (0.075 R)
• M27: 27,915,411 km (0.113 R)
• M28: 28,808,212 km (0.073 R)
• M29: 33,935,379 km (0.053 R)
• M30: 35,338,308 km (0.09 R)
• M31: 35,727,412 km (0.064 R)
• M32: 39,359,948 km (0.098 R)
• M33: 44,424,733 km (0.116 R)
• M34: 50,725,197 km (0.093 R)
• M35: 54,950,739 km (0.118 R)
• M36: 64,286,244 km (0.106 R)

Kuiper Belt

Range: 30.2 - 50.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 17,082 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit