🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.58 AU - 0.88 AU

Year: 226 Days

Day: 23.7 Hours

Environment

Temp: 110 °C

Axial Tilt: 38.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.94 AU - 1.28 AU

Year: 423 Days

Day: 26 Hours

Environment

Temp: 16 °C

Axial Tilt: 27.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.79 AU - 3.85 AU

Year: 2700 Days

Day: 29.7 Hours

Environment

Temp: -108 °C

Axial Tilt: 7.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,431,335 km

• M1: 3,395,572 km (0.117 R)

Asteroid Belt

Center: 5.65 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.7

Radius: 13.3

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.98 AU - 7.96 AU

Year: 7384 Days

Day: 14.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,431,335 km

• M1: 165,455 km (0.105 R)
• M2: 638,334 km (0.069 R)
• M3: 1,357,750 km (0.116 R)
• M4: 1,835,715 km (0.054 R)
• M5: 3,244,628 km (0.116 R)
• M6: 4,338,787 km (0.12 R)
• M7: 7,211,814 km (0.082 R)
• M8: 8,736,067 km (0.102 R)
• M9: 12,883,219 km (0.074 R)
• M10: 14,765,908 km (0.072 R)
• M11: 19,696,953 km (0.098 R)
• M12: 21,583,532 km (0.112 R)
• M13: 23,587,844 km (0.053 R)
• M14: 24,963,696 km (0.112 R)
• M15: 27,083,348 km (0.061 R)
• M16: 29,875,144 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.1

Radius: 14.4

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 11.66 AU - 11.96 AU

Year: 14678 Days

Day: 12.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,431,335 km

• M1: 179,069 km (0.099 R)
• M2: 907,461 km (0.114 R)
• M3: 2,390,125 km (0.098 R)
• M4: 3,327,356 km (0.055 R)
• M5: 3,999,798 km (0.092 R)
• M6: 4,661,619 km (0.11 R)
• M7: 5,848,978 km (0.095 R)
• M8: 6,493,445 km (0.112 R)
• M9: 7,007,463 km (0.106 R)
• M10: 7,641,459 km (0.09 R)
• M11: 8,512,867 km (0.11 R)
• M12: 9,612,262 km (0.111 R)
• M13: 11,102,256 km (0.096 R)
• M14: 14,108,126 km (0.113 R)
• M15: 15,874,877 km (0.081 R)
• M16: 17,212,731 km (0.07 R)
• M17: 18,967,813 km (0.118 R)
• M18: 26,972,047 km (0.117 R)
• M19: 27,856,470 km (0.116 R)
• M20: 31,346,139 km (0.092 R)
• M21: 33,447,990 km (0.119 R)
• M22: 34,211,836 km (0.103 R)
• M23: 46,792,868 km (0.108 R)
• M24: 52,210,554 km (0.103 R)
• M25: 55,158,231 km (0.117 R)
• M26: 60,252,487 km (0.119 R)
• M27: 64,665,176 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341.8

Radius: 7.9

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 13.81 AU - 21.29 AU

Year: 26589 Days

Day: 17.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,431,335 km

• M1: 99,333 km (0.096 R)
• M2: 567,126 km (0.073 R)
• M3: 1,056,011 km (0.117 R)
• M4: 1,857,108 km (0.058 R)
• M5: 3,555,044 km (0.109 R)
• M6: 3,910,339 km (0.075 R)
• M7: 4,797,005 km (0.112 R)
• M8: 5,496,974 km (0.047 R)
• M9: 6,872,227 km (0.08 R)
• M10: 7,957,260 km (0.11 R)
• M11: 8,829,715 km (0.079 R)
• M12: 9,427,359 km (0.06 R)
• M13: 10,824,453 km (0.108 R)
• M14: 11,636,470 km (0.04 R)
• M15: 18,232,390 km (0.119 R)
• M16: 20,952,827 km (0.082 R)
• M17: 21,624,522 km (0.093 R)
• M18: 22,409,611 km (0.076 R)
• M19: 23,725,624 km (0.116 R)
• M20: 32,593,935 km (0.066 R)
• M21: 33,756,012 km (0.051 R)
• M22: 46,447,296 km (0.091 R)
• M23: 50,096,138 km (0.057 R)
• M24: 56,287,545 km (0.087 R)
• M25: 61,009,602 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.6

Radius: 4.5

Gravity: 22.89 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 19.08 AU - 19.86 AU

Year: 31070 Days

Day: 18.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,431,335 km

• M1: 55,950 km (0.101 R)
• M2: 436,676 km (0.086 R)
• M3: 709,842 km (0.081 R)
• M4: 1,455,138 km (0.089 R)
• M5: 2,425,879 km (0.111 R)
• M6: 2,935,709 km (0.084 R)
• M7: 3,544,722 km (0.028 R)
• M8: 8,491,325 km (0.091 R)
• M9: 13,388,112 km (0.109 R)
• M10: 28,965,738 km (0.072 R)
• M11: 33,203,098 km (0.107 R)
• M12: 40,147,880 km (0.111 R)
• M13: 40,463,082 km (0.049 R)
• M14: 44,882,353 km (0.071 R)
• M15: 48,891,875 km (0.106 R)
• M16: 62,128,893 km (0.11 R)
• M17: 63,613,503 km (0.098 R)
• M18: 78,299,077 km (0.114 R)
• M19: 83,826,120 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.2

Radius: 7.2

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 18.8 AU - 20.28 AU

Year: 31238 Days

Day: 20.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,431,335 km

• M1: 90,956 km (0.116 R)
• M2: 821,592 km (0.085 R)
• M3: 1,105,229 km (0.104 R)
• M4: 2,397,455 km (0.094 R)
• M5: 2,656,260 km (0.108 R)
• M6: 3,980,351 km (0.09 R)
• M7: 4,623,771 km (0.115 R)
• M8: 6,647,381 km (0.115 R)
• M9: 8,267,975 km (0.079 R)
• M10: 8,588,713 km (0.092 R)
• M11: 10,879,655 km (0.084 R)
• M12: 14,528,048 km (0.069 R)
• M13: 22,634,906 km (0.054 R)
• M14: 24,994,962 km (0.116 R)
• M15: 27,396,157 km (0.071 R)
• M16: 30,450,198 km (0.106 R)
• M17: 33,588,612 km (0.085 R)
• M18: 40,652,773 km (0.083 R)
• M19: 52,918,003 km (0.114 R)
• M20: 70,936,917 km (0.106 R)
• M21: 75,018,994 km (0.108 R)
• M22: 77,825,599 km (0.096 R)

Kuiper Belt

Range: 30.3 - 58.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 10,815 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit