🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.43 AU - 0.57 AU

Year: 154 Days

Day: 40.9 Hours

Environment

Temp: 161 °C

Axial Tilt: 1.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.68 AU - 0.82 AU

Year: 284 Days

Day: 34.4 Hours

Environment

Temp: -28 °C

Axial Tilt: 7.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,093,575 km

• M1: 17,653 km (0.05 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.71 AU - 1.03 AU

Year: 354 Days

Day: 23.4 Hours

Environment

Temp: -42 °C

Axial Tilt: 49.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.35 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.1

Radius: 8.8

Gravity: 11.92 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.38 AU - 8.28 AU

Year: 9565 Days

Day: 14.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 75,093,575 km

• M1: 109,805 km (0.099 R)
• M2: 418,575 km (0.069 R)
• M3: 930,200 km (0.12 R)
• M4: 1,259,614 km (0.1 R)
• M5: 1,652,159 km (0.09 R)
• M6: 2,404,038 km (0.044 R)
• M7: 2,686,329 km (0.094 R)
• M8: 2,990,910 km (0.063 R)
• M9: 3,391,833 km (0.112 R)
• M10: 3,722,444 km (0.088 R)
• M11: 4,448,592 km (0.096 R)
• M12: 6,106,585 km (0.105 R)
• M13: 6,636,610 km (0.119 R)
• M14: 8,275,605 km (0.085 R)
• M15: 9,557,658 km (0.086 R)
• M16: 11,410,727 km (0.049 R)
• M17: 14,129,519 km (0.091 R)
• M18: 16,666,699 km (0.102 R)
• M19: 18,234,335 km (0.066 R)
• M20: 20,225,782 km (0.116 R)
• M21: 21,920,127 km (0.063 R)
• M22: 28,078,772 km (0.064 R)
• M23: 32,617,871 km (0.036 R)
• M24: 34,586,429 km (0.115 R)
• M25: 35,419,540 km (0.086 R)
• M26: 36,755,598 km (0.099 R)
• M27: 39,657,498 km (0.113 R)
• M28: 43,117,697 km (0.09 R)
• M29: 43,391,910 km (0.083 R)
• M30: 47,939,386 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.7

Radius: 9.5

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 7.79 AU - 8.43 AU

Year: 10083 Days

Day: 14.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,093,575 km

• M1: 118,182 km (0.074 R)
• M2: 488,587 km (0.113 R)
• M3: 1,630,617 km (0.098 R)
• M4: 1,940,883 km (0.092 R)
• M5: 2,432,910 km (0.109 R)
• M6: 2,788,056 km (0.106 R)
• M7: 3,100,865 km (0.118 R)
• M8: 3,498,945 km (0.12 R)
• M9: 4,570,365 km (0.119 R)
• M10: 5,222,910 km (0.115 R)
• M11: 5,759,368 km (0.107 R)
• M12: 6,942,388 km (0.107 R)
• M13: 9,411,202 km (0.11 R)
• M14: 9,740,617 km (0.105 R)
• M15: 10,466,316 km (0.118 R)
• M16: 10,820,115 km (0.094 R)
• M17: 12,462,550 km (0.08 R)
• M18: 18,189,306 km (0.091 R)
• M19: 20,500,593 km (0.032 R)
• M20: 24,517,745 km (0.105 R)
• M21: 26,505,900 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.8

Radius: 7.9

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 9.5 AU - 13.44 AU

Year: 16958 Days

Day: 23.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,093,575 km

• M1: 99,183 km (0.107 R)
• M2: 866,620 km (0.075 R)
• M3: 1,348,774 km (0.05 R)
• M4: 1,782,010 km (0.078 R)
• M5: 4,730,135 km (0.029 R)
• M6: 6,210,406 km (0.094 R)
• M7: 9,764,253 km (0.115 R)
• M8: 20,925,301 km (0.095 R)
• M9: 23,152,066 km (0.112 R)
• M10: 27,206,617 km (0.078 R)
• M11: 28,755,254 km (0.04 R)
• M12: 29,954,730 km (0.076 R)
• M13: 31,500,375 km (0.112 R)
• M14: 34,415,589 km (0.052 R)
• M15: 42,672,793 km (0.084 R)
• M16: 42,930,101 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.1

Radius: 3.4

Gravity: 39.54 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 14.13 AU - 14.79 AU

Year: 24005 Days

Day: 21.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,093,575 km

• M1: 48,320 km (0.05 R)
• M2: 175,179 km (0.094 R)
• M3: 321,785 km (0.105 R)
• M4: 509,830 km (0.081 R)
• M5: 1,423,274 km (0.085 R)
• M6: 3,782,582 km (0.099 R)
• M7: 8,342,325 km (0.097 R)
• M8: 11,342,660 km (0.064 R)
• M9: 14,014,478 km (0.039 R)
• M10: 27,590,784 km (0.1 R)
• M11: 27,938,450 km (0.03 R)
• M12: 28,406,691 km (0.055 R)
• M13: 32,728,573 km (0.081 R)
• M14: 35,521,266 km (0.087 R)
• M15: 36,765,173 km (0.102 R)
• M16: 41,879,026 km (0.115 R)
• M17: 54,390,794 km (0.103 R)
• M18: 63,378,783 km (0.057 R)
• M19: 65,822,315 km (0.102 R)
• M20: 67,276,406 km (0.081 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 18,315 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit