🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.56 AU - 0.8 AU

Year: 196 Days

Day: 21.2 Hours

Environment

Temp: 235 °C

Axial Tilt: 14.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 1.03 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.21 AU - 1.53 AU

Year: 561 Days

Day: 39.5 Hours

Environment

Temp: 15 °C

Axial Tilt: 43.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 80,940,399 km

• M1: 18,101 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.3

Radius: 8.5

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 9.04 AU - 11.6 AU

Year: 11598 Days

Day: 5.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,940,399 km

• M1: 105,766 km (0.065 R)
• M2: 659,128 km (0.06 R)
• M3: 945,907 km (0.092 R)
• M4: 1,241,662 km (0.112 R)
• M5: 1,633,459 km (0.109 R)
• M6: 2,092,874 km (0.054 R)
• M7: 2,732,704 km (0.115 R)
• M8: 3,594,238 km (0.11 R)
• M9: 4,986,247 km (0.114 R)
• M10: 6,380,948 km (0.072 R)
• M11: 10,765,960 km (0.106 R)
• M12: 15,153,367 km (0.11 R)
• M13: 17,450,592 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877.3

Radius: 3.1

Gravity: 91.29 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 13.01 AU - 20.91 AU

Year: 24435 Days

Day: 17.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 80,940,399 km

• M1: 38,596 km (0.076 R)
• M2: 314,604 km (0.116 R)
• M3: 760,256 km (0.095 R)
• M4: 888,013 km (0.096 R)
• M5: 1,043,744 km (0.064 R)
• M6: 1,795,174 km (0.081 R)
• M7: 2,044,853 km (0.051 R)
• M8: 2,246,810 km (0.05 R)
• M9: 2,612,876 km (0.075 R)
• M10: 2,743,176 km (0.12 R)
• M11: 3,716,011 km (0.11 R)
• M12: 5,900,439 km (0.045 R)
• M13: 6,688,222 km (0.089 R)
• M14: 7,862,266 km (0.103 R)
• M15: 9,226,598 km (0.113 R)
• M16: 12,708,190 km (0.116 R)
• M17: 14,091,970 km (0.109 R)
• M18: 15,488,017 km (0.111 R)
• M19: 18,936,697 km (0.062 R)
• M20: 19,524,168 km (0.118 R)
• M21: 28,049,601 km (0.099 R)
• M22: 28,175,861 km (0.086 R)
• M23: 28,684,345 km (0.11 R)
• M24: 29,069,709 km (0.081 R)
• M25: 30,779,612 km (0.106 R)
• M26: 32,834,339 km (0.113 R)
• M27: 35,124,982 km (0.117 R)
• M28: 50,390,397 km (0.061 R)
• M29: 60,499,473 km (0.092 R)
• M30: 67,034,207 km (0.057 R)
• M31: 82,514,296 km (0.057 R)
• M32: 94,434,254 km (0.045 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384.8

Radius: 6

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 14.48 AU - 23.88 AU

Year: 29387 Days

Day: 15.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,940,399 km

• M1: 77,043 km (0.1 R)
• M2: 283,039 km (0.089 R)
• M3: 613,351 km (0.07 R)
• M4: 914,492 km (0.071 R)
• M5: 1,724,115 km (0.083 R)
• M6: 3,232,810 km (0.055 R)
• M7: 4,147,751 km (0.104 R)
• M8: 4,593,552 km (0.116 R)
• M9: 5,910,761 km (0.088 R)
• M10: 9,907,119 km (0.108 R)
• M11: 10,955,351 km (0.107 R)
• M12: 13,342,784 km (0.117 R)
• M13: 17,585,230 km (0.102 R)
• M14: 20,345,460 km (0.086 R)
• M15: 21,828,125 km (0.077 R)
• M16: 24,456,858 km (0.078 R)
• M17: 25,790,523 km (0.115 R)
• M18: 26,360,342 km (0.033 R)
• M19: 27,761,924 km (0.109 R)
• M20: 30,967,806 km (0.095 R)
• M21: 32,395,419 km (0.09 R)
• M22: 36,084,502 km (0.09 R)
• M23: 49,509,864 km (0.097 R)
• M24: 52,725,171 km (0.109 R)
• M25: 58,584,022 km (0.105 R)
• M26: 61,974,059 km (0.111 R)
• M27: 63,820,696 km (0.099 R)
• M28: 71,127,953 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 20.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.3

Radius: 7.2

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 20.12 AU - 20.6 AU

Year: 32140 Days

Day: 18.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,940,399 km

• M1: 89,609 km (0.083 R)
• M2: 446,101 km (0.091 R)
• M3: 915,689 km (0.108 R)
• M4: 2,968,770 km (0.038 R)
• M5: 3,924,999 km (0.055 R)
• M6: 4,631,849 km (0.12 R)
• M7: 5,994,387 km (0.107 R)
• M8: 6,836,772 km (0.104 R)
• M9: 10,440,435 km (0.105 R)
• M10: 11,990,569 km (0.082 R)
• M11: 12,750,077 km (0.074 R)
• M12: 15,220,686 km (0.119 R)
• M13: 19,828,450 km (0.059 R)
• M14: 21,483,451 km (0.096 R)
• M15: 25,511,673 km (0.099 R)
• M16: 34,335,105 km (0.051 R)
• M17: 35,721,428 km (0.09 R)
• M18: 41,021,232 km (0.113 R)
• M19: 43,857,608 km (0.111 R)
• M20: 53,513,851 km (0.119 R)
• M21: 61,016,334 km (0.116 R)
• M22: 66,602,019 km (0.082 R)
• M23: 70,509,366 km (0.044 R)

Kuiper Belt

Range: 31.4 - 49.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 13,976 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit