🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.88 AU - 0.94 AU

Year: 319 Days

Day: 26.2 Hours

Environment

Temp: 83 °C

Axial Tilt: 23.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.05 AU - 1.13 AU

Year: 418 Days

Day: 13.8 Hours

Environment

Temp: 9 °C

Axial Tilt: 33 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.48 AU - 2.58 AU

Year: 1477 Days

Day: 38.5 Hours

Environment

Temp: -96 °C

Axial Tilt: 79.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.64 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978

Radius: 14.4

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.45 AU - 5.05 AU

Year: 3800 Days

Day: 13.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 88,700,473 km

• M1: 179,817 km (0.066 R)
• M2: 702,661 km (0.025 R)
• M3: 1,172,099 km (0.062 R)
• M4: 1,735,335 km (0.047 R)
• M5: 2,576,075 km (0.055 R)
• M6: 3,550,705 km (0.118 R)
• M7: 4,297,498 km (0.115 R)
• M8: 4,835,153 km (0.08 R)
• M9: 6,076,516 km (0.06 R)
• M10: 6,724,424 km (0.049 R)
• M11: 7,906,696 km (0.109 R)
• M12: 10,335,567 km (0.102 R)
• M13: 10,902,094 km (0.071 R)
• M14: 13,327,973 km (0.082 R)
• M15: 14,748,704 km (0.08 R)
• M16: 15,807,558 km (0.112 R)
• M17: 16,916,527 km (0.043 R)
• M18: 18,390,814 km (0.079 R)
• M19: 19,882,455 km (0.101 R)
• M20: 21,453,531 km (0.094 R)
• M21: 23,032,387 km (0.081 R)
• M22: 23,775,141 km (0.041 R)
• M23: 26,259,662 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.7

Radius: 10.7

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.97 AU - 5.55 AU

Year: 4428 Days

Day: 10.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,700,473 km

• M1: 134,937 km (0.108 R)
• M2: 609,163 km (0.109 R)
• M3: 1,250,489 km (0.119 R)
• M4: 2,088,237 km (0.105 R)
• M5: 2,674,062 km (0.038 R)
• M6: 4,076,692 km (0.119 R)
• M7: 4,774,715 km (0.061 R)
• M8: 6,121,694 km (0.083 R)
• M9: 7,498,892 km (0.108 R)
• M10: 8,291,761 km (0.085 R)
• M11: 13,074,555 km (0.052 R)
• M12: 17,125,665 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.8

Radius: 14.8

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.88 AU - 9.44 AU

Year: 9355 Days

Day: 6.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 86 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 88,700,473 km

• M1: 184,753 km (0.052 R)
• M2: 659,128 km (0.115 R)
• M3: 1,422,227 km (0.069 R)
• M4: 1,954,945 km (0.095 R)
• M5: 2,621,852 km (0.056 R)
• M6: 3,097,125 km (0.033 R)
• M7: 3,655,125 km (0.089 R)
• M8: 4,144,160 km (0.112 R)
• M9: 4,915,188 km (0.114 R)
• M10: 5,951,153 km (0.119 R)
• M11: 6,820,317 km (0.097 R)
• M12: 7,285,715 km (0.063 R)
• M13: 10,289,491 km (0.067 R)
• M14: 10,956,099 km (0.084 R)
• M15: 12,206,139 km (0.05 R)
• M16: 14,795,828 km (0.04 R)
• M17: 16,667,596 km (0.028 R)
• M18: 17,878,442 km (0.085 R)
• M19: 22,795,275 km (0.107 R)
• M20: 25,655,736 km (0.096 R)
• M21: 26,692,000 km (0.1 R)
• M22: 27,560,565 km (0.113 R)
• M23: 29,762,945 km (0.086 R)
• M24: 33,505,286 km (0.071 R)
• M25: 34,857,501 km (0.106 R)
• M26: 43,745,409 km (0.086 R)
• M27: 45,088,499 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665

Radius: 7.7

Gravity: 11.22 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 14.2 AU - 19.64 AU

Year: 25549 Days

Day: 22.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 88,700,473 km

• M1: 438,621 km (0.114 R)
• M2: 722,857 km (0.096 R)
• M3: 1,001,109 km (0.109 R)
• M4: 3,338,127 km (0.11 R)
• M5: 3,960,155 km (0.119 R)
• M6: 4,693,932 km (0.045 R)
• M7: 6,428,669 km (0.088 R)
• M8: 7,091,388 km (0.079 R)
• M9: 8,062,727 km (0.108 R)
• M10: 9,412,848 km (0.043 R)
• M11: 15,161,295 km (0.076 R)
• M12: 21,315,153 km (0.07 R)
• M13: 21,727,744 km (0.115 R)
• M14: 28,825,116 km (0.106 R)
• M15: 29,457,018 km (0.056 R)
• M16: 31,143,135 km (0.105 R)
• M17: 48,415,256 km (0.03 R)
• M18: 63,405,262 km (0.119 R)
• M19: 70,449,976 km (0.11 R)
• M20: 72,521,308 km (0.101 R)
• M21: 77,269,095 km (0.096 R)
• M22: 83,745,337 km (0.079 R)
• M23: 88,169,843 km (0.078 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 17,669 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit