🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.66 AU - 1 AU

Year: 265 Days

Day: 38 Hours

Environment

Temp: 139 °C

Axial Tilt: 34.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.59 AU - 2.83 AU

Year: 1561 Days

Day: 25 Hours

Environment

Temp: -85 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.14 AU - 3.86 AU

Year: 2291 Days

Day: 15.5 Hours

Environment

Temp: -95 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,293,638 km

• M1: 53,257 km (0.069 R)

Asteroid Belt

Center: 5.15 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.8

Radius: 10.9

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.81 AU - 7.77 AU

Year: 6190 Days

Day: 13.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,293,638 km

• M1: 399,726 km (0.036 R)
• M2: 903,721 km (0.031 R)
• M3: 1,752,090 km (0.11 R)
• M4: 2,253,542 km (0.094 R)
• M5: 2,876,318 km (0.072 R)
• M6: 5,828,183 km (0.055 R)
• M7: 6,767,508 km (0.097 R)
• M8: 7,049,201 km (0.08 R)
• M9: 7,718,951 km (0.086 R)
• M10: 8,482,199 km (0.104 R)
• M11: 9,380,534 km (0.095 R)
• M12: 10,708,066 km (0.079 R)
• M13: 11,679,405 km (0.096 R)
• M14: 12,237,405 km (0.094 R)
• M15: 14,111,717 km (0.1 R)
• M16: 14,766,357 km (0.095 R)
• M17: 17,220,660 km (0.09 R)
• M18: 17,490,085 km (0.072 R)
• M19: 18,080,997 km (0.111 R)
• M20: 23,425,082 km (0.061 R)
• M21: 24,055,936 km (0.043 R)
• M22: 26,552,276 km (0.076 R)
• M23: 27,223,821 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.6

Radius: 9.6

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.72 AU - 8.36 AU

Year: 7976 Days

Day: 11.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,293,638 km

• M1: 165,455 km (0.119 R)
• M2: 498,610 km (0.108 R)
• M3: 1,720,974 km (0.113 R)
• M4: 3,226,527 km (0.116 R)
• M5: 4,279,247 km (0.066 R)
• M6: 5,563,994 km (0.073 R)
• M7: 5,993,938 km (0.105 R)
• M8: 9,085,677 km (0.045 R)
• M9: 10,236,982 km (0.066 R)
• M10: 11,193,062 km (0.1 R)
• M11: 12,909,399 km (0.026 R)
• M12: 14,835,770 km (0.109 R)
• M13: 15,228,465 km (0.109 R)
• M14: 16,119,619 km (0.111 R)
• M15: 16,943,604 km (0.057 R)
• M16: 19,291,244 km (0.069 R)
• M17: 22,803,203 km (0.054 R)
• M18: 27,136,306 km (0.098 R)
• M19: 28,504,079 km (0.09 R)
• M20: 30,712,742 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.5

Radius: 4.8

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 15.18 AU - 20.28 AU

Year: 26118 Days

Day: 17.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 53,293,638 km

• M1: 65,823 km (0.094 R)
• M2: 505,940 km (0.087 R)
• M3: 780,153 km (0.113 R)
• M4: 4,463,103 km (0.109 R)
• M5: 4,562,585 km (0.115 R)
• M6: 5,508,194 km (0.104 R)
• M7: 7,116,221 km (0.077 R)
• M8: 9,599,546 km (0.09 R)
• M9: 9,991,941 km (0.089 R)
• M10: 10,241,171 km (0.095 R)
• M11: 11,007,411 km (0.06 R)
• M12: 11,533,697 km (0.101 R)
• M13: 11,801,477 km (0.116 R)
• M14: 12,456,715 km (0.076 R)
• M15: 12,567,568 km (0.104 R)
• M16: 16,062,473 km (0.092 R)
• M17: 18,071,124 km (0.074 R)
• M18: 22,518,818 km (0.057 R)
• M19: 25,517,956 km (0.087 R)
• M20: 26,076,255 km (0.108 R)
• M21: 26,317,257 km (0.113 R)
• M22: 27,869,934 km (0.101 R)
• M23: 29,467,190 km (0.042 R)
• M24: 30,325,732 km (0.054 R)
• M25: 31,813,633 km (0.056 R)
• M26: 32,705,535 km (0.036 R)
• M27: 35,455,443 km (0.08 R)
• M28: 40,285,659 km (0.105 R)
• M29: 40,685,385 km (0.106 R)
• M30: 42,816,556 km (0.093 R)
• M31: 45,636,775 km (0.099 R)
• M32: 47,242,409 km (0.115 R)
• M33: 47,350,419 km (0.1 R)
• M34: 50,202,502 km (0.096 R)
• M35: 51,886,077 km (0.073 R)
• M36: 53,482,286 km (0.096 R)
• M37: 61,457,049 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.9

Radius: 7.8

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 14.65 AU - 21.35 AU

Year: 26717 Days

Day: 22.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,293,638 km

• M1: 112,348 km (0.055 R)
• M2: 1,878,500 km (0.113 R)
• M3: 4,478,811 km (0.089 R)
• M4: 5,308,630 km (0.086 R)
• M5: 5,890,117 km (0.11 R)
• M6: 8,693,731 km (0.096 R)
• M7: 9,480,915 km (0.116 R)
• M8: 16,013,854 km (0.114 R)
• M9: 18,489,399 km (0.095 R)
• M10: 19,826,655 km (0.111 R)
• M11: 23,339,661 km (0.113 R)
• M12: 24,985,388 km (0.115 R)
• M13: 35,431,508 km (0.074 R)
• M14: 43,377,997 km (0.085 R)
• M15: 44,927,083 km (0.064 R)
• M16: 45,711,873 km (0.09 R)

Kuiper Belt

Range: 31.4 - 51.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 369 - 16,232 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit