🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.69 AU - 1.05 AU

Year: 285 Days

Day: 41 Hours

Environment

Temp: 174 °C

Axial Tilt: 4.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 75,906,703 km

• M1: 83,476 km (0.044 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.98 AU - 1.38 AU

Year: 451 Days

Day: 43.9 Hours

Environment

Temp: 12 °C

Axial Tilt: 15.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.08 AU - 1.42 AU

Year: 491 Days

Day: 21.6 Hours

Environment

Temp: 11 °C

Axial Tilt: 49.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 4.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.2

Radius: 13.3

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.22 AU - 9.38 AU

Year: 7656 Days

Day: 7.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 179.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,906,703 km

• M1: 165,455 km (0.111 R)
• M2: 807,829 km (0.098 R)
• M3: 1,617,303 km (0.099 R)
• M4: 2,480,482 km (0.099 R)
• M5: 4,971,885 km (0.12 R)
• M6: 7,599,273 km (0.1 R)
• M7: 9,018,508 km (0.079 R)
• M8: 11,864,607 km (0.102 R)
• M9: 12,507,280 km (0.1 R)
• M10: 14,097,505 km (0.085 R)
• M11: 14,818,716 km (0.114 R)
• M12: 15,313,137 km (0.095 R)
• M13: 18,743,267 km (0.115 R)
• M14: 19,380,554 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.2

Radius: 8

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.27 AU - 10.05 AU

Year: 8192 Days

Day: 15 Hours

Environment

Temp: -168 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,906,703 km

• M1: 99,483 km (0.12 R)
• M2: 354,697 km (0.111 R)
• M3: 704,307 km (0.081 R)
• M4: 1,007,841 km (0.105 R)
• M5: 2,091,827 km (0.1 R)
• M6: 3,761,339 km (0.086 R)
• M7: 6,378,255 km (0.115 R)
• M8: 7,677,363 km (0.11 R)
• M9: 14,351,971 km (0.08 R)
• M10: 17,369,360 km (0.083 R)
• M11: 21,329,515 km (0.054 R)
• M12: 23,268,154 km (0.117 R)
• M13: 29,006,878 km (0.116 R)
• M14: 32,825,214 km (0.108 R)
• M15: 34,963,566 km (0.1 R)
• M16: 38,808,829 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 210.8

Radius: 7.1

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 13.72 AU - 15.26 AU

Year: 19386 Days

Day: 20 Hours

Environment

Temp: -176 °C

Axial Tilt: 78.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,906,703 km

• M1: 89,460 km (0.079 R)
• M2: 335,099 km (0.113 R)
• M3: 587,471 km (0.112 R)
• M4: 1,132,755 km (0.073 R)
• M5: 1,527,394 km (0.108 R)
• M6: 1,993,541 km (0.114 R)
• M7: 2,570,989 km (0.099 R)
• M8: 3,678,013 km (0.074 R)
• M9: 7,232,159 km (0.114 R)
• M10: 7,996,904 km (0.041 R)
• M11: 10,195,095 km (0.044 R)
• M12: 15,059,120 km (0.105 R)
• M13: 15,672,471 km (0.051 R)
• M14: 16,659,368 km (0.068 R)
• M15: 18,369,871 km (0.092 R)
• M16: 22,048,781 km (0.047 R)
• M17: 22,397,943 km (0.107 R)
• M18: 23,107,037 km (0.117 R)
• M19: 23,648,581 km (0.063 R)
• M20: 26,484,358 km (0.105 R)
• M21: 27,277,077 km (0.094 R)
• M22: 31,590,433 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.1

Radius: 3.2

Gravity: 89.66 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 14.86 AU - 15.1 AU

Year: 20377 Days

Day: 16.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,906,703 km

• M1: 40,541 km (0.105 R)
• M2: 152,739 km (0.109 R)
• M3: 258,056 km (0.115 R)
• M4: 442,361 km (0.061 R)
• M5: 994,078 km (0.097 R)
• M6: 1,141,731 km (0.09 R)
• M7: 2,153,611 km (0.047 R)
• M8: 3,806,219 km (0.104 R)
• M9: 6,420,441 km (0.097 R)
• M10: 7,521,631 km (0.092 R)
• M11: 7,776,696 km (0.104 R)
• M12: 7,984,786 km (0.027 R)
• M13: 8,798,599 km (0.103 R)
• M14: 10,525,856 km (0.081 R)
• M15: 11,704,537 km (0.108 R)
• M16: 18,196,187 km (0.106 R)
• M17: 23,356,566 km (0.118 R)
• M18: 23,898,709 km (0.108 R)
• M19: 25,347,714 km (0.095 R)
• M20: 35,430,461 km (0.067 R)
• M21: 47,888,223 km (0.113 R)
• M22: 53,667,488 km (0.09 R)
• M23: 60,096,307 km (0.12 R)
• M24: 66,802,181 km (0.087 R)
• M25: 74,688,682 km (0.062 R)
• M26: 75,627,708 km (0.108 R)
• M27: 84,435,133 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 130.8

Radius: 5.8

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 12.73 AU - 20.03 AU

Year: 23300 Days

Day: 20.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,906,703 km

• M1: 81,531 km (0.085 R)
• M2: 278,102 km (0.057 R)
• M3: 793,168 km (0.076 R)
• M4: 1,079,498 km (0.067 R)
• M5: 1,328,429 km (0.082 R)
• M6: 3,484,434 km (0.096 R)
• M7: 5,263,451 km (0.101 R)
• M8: 6,422,237 km (0.03 R)
• M9: 8,762,396 km (0.037 R)
• M10: 9,042,593 km (0.042 R)
• M11: 10,905,386 km (0.105 R)
• M12: 14,510,694 km (0.115 R)
• M13: 15,302,815 km (0.112 R)
• M14: 17,629,511 km (0.113 R)
• M15: 18,001,561 km (0.094 R)
• M16: 24,136,120 km (0.108 R)
• M17: 29,714,625 km (0.115 R)
• M18: 35,266,352 km (0.117 R)
• M19: 35,975,745 km (0.115 R)
• M20: 36,815,288 km (0.114 R)
• M21: 37,667,846 km (0.05 R)
• M22: 39,539,016 km (0.119 R)
• M23: 40,950,024 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.1

Radius: 3.9

Gravity: 16.44 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 17.59 AU - 23.71 AU

Year: 32981 Days

Day: 23 Hours

Environment

Temp: -188 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,906,703 km

• M1: 51,462 km (0.102 R)
• M2: 207,642 km (0.056 R)
• M3: 347,665 km (0.093 R)
• M4: 761,154 km (0.106 R)
• M5: 889,808 km (0.067 R)
• M6: 1,492,388 km (0.064 R)
• M7: 2,096,614 km (0.06 R)
• M8: 2,774,592 km (0.05 R)
• M9: 3,385,250 km (0.117 R)
• M10: 3,676,966 km (0.106 R)
• M11: 4,723,702 km (0.114 R)
• M12: 7,774,452 km (0.066 R)
• M13: 8,918,576 km (0.092 R)
• M14: 13,228,192 km (0.119 R)
• M15: 20,498,798 km (0.106 R)
• M16: 22,156,193 km (0.073 R)
• M17: 22,457,632 km (0.093 R)
• M18: 24,111,886 km (0.117 R)
• M19: 24,644,903 km (0.09 R)
• M20: 30,539,508 km (0.117 R)
• M21: 30,912,904 km (0.099 R)
• M22: 31,795,831 km (0.101 R)
• M23: 36,884,253 km (0.102 R)
• M24: 44,849,591 km (0.045 R)
• M25: 61,460,041 km (0.052 R)

Kuiper Belt

Range: 31.2 - 56.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 15,729 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit